NeoWs - (Near Earth Object Web Service)
A web service for near earth objects. All the data is from the <a href="http://n
😄 FunUNMONITORED
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A web service for near earth objects. All the data is from the <a href="http://neo.jpl.nasa.gov/" target="_blank">NASA JPL Asteroid team</a>. NeoWs is proud to power AsteroidTracker on <a href="https://itunes.apple.com/us/app/asteroid-tracker/id689684901?mt=8" target="_blank">iOS</a> and <a hre
ON PROBE SCHEDULE
We probe a documented GET and expect 2xx JSON — full uptime and health score. Open provider docs ↗
Uptime historystarts after first probe
On our probe schedule. Uptime charts appear after the first check lands.
Example responsefrom provider docs — not verified by us
GET http://www.neowsapp.com/rest/v1/feed
{
"links": {
"next": "http://www.neowsapp.com/rest/v1/feed?start_date=2026-07-12&end_date=2026-07-19&detailed=false",
"previous": "http://www.neowsapp.com/rest/v1/feed?start_date=2026-06-28&end_date=2026-07-05&detailed=false",
"self": "http://www.neowsapp.com/rest/v1/feed?start_date=2026-07-05&end_date=2026-07-12&detailed=false"
},
"element_count": 37,
"near_earth_objects": {
"2026-07-05": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3388486"
},
"id": "3388486",
"neo_reference_id": "3388486",
"name": "(2007 TO74)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3388486",
"absolute_magnitude_h": 19.82,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.2887719308,
"estimated_diameter_max": 0.6457136672
},
"meters": {
"estimated_diameter_min": 288.7719307574,
"estimated_diameter_max": 645.7136671674
},
"miles": {
"estimated_diameter_min": 0.1794345034,
"estimated_diameter_max": 0.4012277471
},
"feet": {
"estimated_diameter_min": 947.4145013062,
"estimated_diameter_max": 2118.4832277896
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3565416"
},
"id": "3565416",
"neo_reference_id": "3565416",
"name": "(2011 JZ10)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3565416",
"absolute_magnitude_h": 22.85,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0715409951,
"estimated_diameter_max": 0.1599705282
},
"meters": {
"estimated_diameter_min": 71.5409950884,
"estimated_diameter_max": 159.9705281956
},
"miles": {
"estimated_diameter_min": 0.0444534997,
"estimated_diameter_max": 0.0994010471
},
"feet": {
"estimated_diameter_min": 234.7145583258,
"estimated_diameter_max": 524.8377077252
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-06": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3384113"
},
"id": "3384113",
"neo_reference_id": "3384113",
"name": "(2007 RT9)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3384113",
"absolute_magnitude_h": 19.08,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.4060270583,
"estimated_diameter_max": 0.907904103
},
"meters": {
"estimated_diameter_min": 406.0270582797,
"estimated_diameter_max": 907.9041030176
},
"miles": {
"estimated_diameter_min": 0.2522934392,
"estimated_diameter_max": 0.5641452804
},
"feet": {
"estimated_diameter_min": 1332.1098138863,
"estimated_diameter_max": 2978.6880973444
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3414391"
},
"id": "3414391",
"neo_reference_id": "3414391",
"name": "(2008 MG1)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3414391",
"absolute_magnitude_h": 19.85,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.2848098313,
"estimated_diameter_max": 0.6368541435
},
"meters": {
"estimated_diameter_min": 284.8098313322,
"estimated_diameter_max": 636.8541435189
},
"miles": {
"estimated_diameter_min": 0.1769725697,
"estimated_diameter_max": 0.395722696
},
"feet": {
"estimated_diameter_min": 934.4154870278,
"estimated_diameter_max": 2089.4165482227
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-07": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/2240320"
},
"id": "2240320",
"neo_reference_id": "2240320",
"name": "240320 (2003 HS42)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2240320",
"absolute_magnitude_h": 20.28,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.233644185,
"estimated_diameter_max": 0.5224442801
},
"meters": {
"estimated_diameter_min": 233.6441849736,
"estimated_diameter_max": 522.4442801486
},
"miles": {
"estimated_diameter_min": 0.1451797209,
"estimated_diameter_max": 0.3246317248
},
"feet": {
"estimated_diameter_min": 766.5491878289,
"estimated_diameter_max": 1714.0560920828
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3710914"
},
"id": "3710914",
"neo_reference_id": "3710914",
"name": "(2015 DC1)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3710914",
"absolute_magnitude_h": 24.8,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0291443905,
"estimated_diameter_max": 0.0651688382
},
"meters": {
"estimated_diameter_min": 29.1443904535,
"estimated_diameter_max": 65.1688382168
},
"miles": {
"estimated_diameter_min": 0.018109479,
"estimated_diameter_max": 0.0404940262
},
"feet": {
"estimated_diameter_min": 95.6180819754,
"estimated_diameter_max": 213.8085311752
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-08": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3624233"
},
"id": "3624233",
"neo_reference_id": "3624233",
"name": "(2013 BU2)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3624233",
"absolute_magnitude_h": 22.7,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0766575574,
"estimated_diameter_max": 0.1714115092
},
"meters": {
"estimated_diameter_min": 76.6575573531,
"estimated_diameter_max": 171.4115092306
},
"miles": {
"estimated_diameter_min": 0.0476327831,
"estimated_diameter_max": 0.1065101409
},
"feet": {
"estimated_diameter_min": 251.5011804664,
"estimated_diameter_max": 562.3737359442
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3781708"
},
"id": "3781708",
"neo_reference_id": "3781708",
"name": "(2017 RO17)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3781708",
"absolute_magnitude_h": 26.1,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0160160338,
"estimated_diameter_max": 0.0358129403
},
"meters": {
"estimated_diameter_min": 16.0160337979,
"estimated_diameter_max": 35.8129403019
},
"miles": {
"estimated_diameter_min": 0.0099518989,
"estimated_diameter_max": 0.0222531225
},
"feet": {
"estimated_diameter_min": 52.5460443254,
"estimated_diameter_max": 117.4965270602
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-09": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/2250680"
},
"id": "2250680",
"neo_reference_id": "2250680",
"name": "250680 (2005 QC5)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2250680",
"absolute_magnitude_h": 19.63,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.3151773333,
"estimated_diameter_max": 0.7047579421
},
"meters": {
"estimated_diameter_min": 315.1773332628,
"estimated_diameter_max": 704.7579421428
},
"miles": {
"estimated_diameter_min": 0.1958420547,
"estimated_diameter_max": 0.4379161473
},
"feet": {
"estimated_diameter_min": 1034.046402062,
"estimated_diameter_max": 2312.1980468998
}
},
"is_potentially_hazardous_asteroid": true
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/2500136"
},
"id": "2500136",
"neo_reference_id": "2500136",
"name": "500136 (2012 CO46)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2500136",
"absolute_magnitude_h": 22.85,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0715409951,
"estimated_diameter_max": 0.1599705282
},
"meters": {
"estimated_diameter_min": 71.5409950884,
"estimated_diameter_max": 159.9705281956
},
"miles": {
"estimated_diameter_min": 0.0444534997,
"estimated_diameter_max": 0.0994010471
},
"feet": {
"estimated_diameter_min": 234.7145583258,
"estimated_diameter_max": 524.8377077252
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-10": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/2452639"
},
"id": "2452639",
"neo_reference_id": "2452639",
"name": "452639 (2005 UY6)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2452639",
"absolute_magnitude_h": 18.14,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.6259720997,
"estimated_diameter_max": 1.3997161669
},
"meters": {
"estimated_diameter_min": 625.9720996596,
"estimated_diameter_max": 1399.716166857
},
"miles": {
"estimated_diameter_min": 0.3889609095,
"estimated_diameter_max": 0.8697430343
},
"feet": {
"estimated_diameter_min": 2053.7143034471,
"estimated_diameter_max": 4592.2447888713
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3559843"
},
"id": "3559843",
"neo_reference_id": "3559843",
"name": "(2011 EP51)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3559843",
"absolute_magnitude_h": 25.2,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0242412481,
"estimated_diameter_max": 0.0542050786
},
"meters": {
"estimated_diameter_min": 24.2412481101,
"estimated_diameter_max": 54.2050786336
},
"miles": {
"estimated_diameter_min": 0.0150628086,
"estimated_diameter_max": 0.0336814639
},
"feet": {
"estimated_diameter_min": 79.5316564495,
"estimated_diameter_max": 177.8381901842
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-11": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3365951"
},
"id": "3365951",
"neo_reference_id": "3365951",
"name": "(2007 AA2)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3365951",
"absolute_magnitude_h": 24.6,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0319561887,
"estimated_diameter_max": 0.0714562102
},
"meters": {
"estimated_diameter_min": 31.9561886721,
"estimated_diameter_max": 71.4562101727
},
"miles": {
"estimated_diameter_min": 0.0198566489,
"estimated_diameter_max": 0.0444008168
},
"feet": {
"estimated_diameter_min": 104.8431420431,
"estimated_diameter_max": 234.436392583
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3405616"
},
"id": "3405616",
"neo_reference_id": "3405616",
"name": "(2008 EU68)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3405616",
"absolute_magnitude_h": 21.9,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.1108038821,
"estimated_diameter_max": 0.2477650126
},
"meters": {
"estimated_diameter_min": 110.8038821264,
"estimated_diameter_max": 247.7650126055
},
"miles": {
"estimated_diameter_min": 0.068850319,
"estimated_diameter_max": 0.1539539936
},
"feet": {
"estimated_diameter_min": 363.5298086356,
"estimated_diameter_max": 812.8773639568
}
},
"is_potentially_hazardous_asteroid": false
}
],
"2026-07-12": [
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/2367943"
},
"id": "2367943",
"neo_reference_id": "2367943",
"name": "367943 Duende (2012 DA14)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=2367943",
"absolute_magnitude_h": 24.19,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0385971268,
"estimated_diameter_max": 0.0863057993
},
"meters": {
"estimated_diameter_min": 38.5971267955,
"estimated_diameter_max": 86.3057992509
},
"miles": {
"estimated_diameter_min": 0.0239831353,
"estimated_diameter_max": 0.0536279208
},
"feet": {
"estimated_diameter_min": 126.6309974757,
"estimated_diameter_max": 283.1555184142
}
},
"is_potentially_hazardous_asteroid": false
},
{
"links": {
"self": "http://www.neowsapp.com/rest/v1/neo/3299721"
},
"id": "3299721",
"neo_reference_id": "3299721",
"name": "(2005 VN5)",
"nasa_jpl_url": "https://ssd.jpl.nasa.gov/tools/sbdb_lookup.html#/?sstr=3299721",
"absolute_magnitude_h": 27,
"estimated_diameter": {
"kilometers": {
"estimated_diameter_min": 0.0105816886,
"estimated_diameter_max": 0.023661375
},
"meters": {
"estimated_diameter_min": 10.5816885933,
"estimated_diameter_max": 23.6613750114
},
"miles": {
"estimated_diameter_min": 0.0065751544,
"estimated_diameter_max": 0.0147024923
},
"feet": {
"estimated_diameter_min": 34.7168272045,
"estimated_diameter_max": 77.6291855923
}
},
"is_potentially_hazardous_asteroid": false
}
]
}
}Call itcurl · fetch · python
curl "http://www.neowsapp.com/rest/v1/feed"const res = await fetch("http://www.neowsapp.com/rest/v1/feed");
const data = await res.json();
console.log(data);import requests
res = requests.get("http://www.neowsapp.com/rest/v1/feed")
print(res.json())BROWSER CALLS BLOCKED (NO CORS/HTTPS) — USE THE CURL SNIPPET
On schedule — GET /rest/v1/feed awaits first probe
GET
/rest/v1/feedPROBEDA web service for near earth objects. All the data is from the <a href="http://n
GET
/restRest — documented GET route.
GET
/rest/1Rest details by ID (example: 1).
GET
/rest?limit=10Rest — documented GET route.
GET
/rest/search?q=testSearch by query parameters.
Machine-readable spec
We probe a documented GET and expect 2xx JSON — full uptime and health score. Export includes every documented route below.
Response-shape history
Not tracked yet. Shape-change history starts once this API joins our probe schedule.
NeoWs - (Near Earth Object Web Service): common questions
Is NeoWs - (Near Earth Object Web Service) free to use?
Yes — NeoWs - (Near Earth Object Web Service) is a free fun API. Free tier: Free — limits not published. Whether the free tier allows commercial use is unclear — check the provider docs.
Does NeoWs - (Near Earth Object Web Service) need an API key?
No — NeoWs - (Near Earth Object Web Service) needs no API key or signup. You can call it straight away; rate limits still apply (See documentation).
Can I call NeoWs - (Near Earth Object Web Service) from the browser?
Not directly — NeoWs - (Near Earth Object Web Service) doesn't send browser-friendly CORS headers, so call it from a server or proxy instead. Copy the curl or Python snippet on this page to get started.
Is NeoWs - (Near Earth Object Web Service) up right now?
NeoWs - (Near Earth Object Web Service) is catalogued but not yet on our probe schedule, so we don't publish a live status for it. Check the provider's own status page or docs for its current state.