ESSA 3 (TOS-A), 2435
Orbit data source: Space-Track
ESSA 3 (TOS-A), 2435 is a payload satellite owned by ESSA (US) in SSO that was launched on Sun, 02 Oct 1966 UTC via a THOR DELTA E launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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2435 intel report (Beta)
ESSA 3 (TOS-A) details
| Identifier | |
| Orbit | SSO |
| Last TLE update | 6 hours ago |
| Origin | |
| Manufacturer | RCA/East Windsor |
| Mission | Non-operational Civil Weather |
| Bus & Motor | TIROS I, Unknown motor |
| Mass | 148 kg wet, 148 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Cyl, 1.1 m |
| Radar Cross Section | 0.994 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 6 hours ago
0 ESSA 3 (TOS-A)
1 2435U 66087A 25023.42450465 -.00000038 00000-0 23548-4 0 9991
2 2435 101.0872 311.5465 0063910 335.7735 137.0904 12.56871218675342Epoch: 2025-01-23T10:11Z
Definitive object data (Epoch: 2025-01-23T10:11:17.201Z)
| Latitude | 64.36134° |
| Longitude | -120.30512° |
| Altitude | 1,483.561 km |
| Speed | 7.111 km/s |
| True Right ascension | 10h 22m 04s |
| True Declination | 64° 14' 22" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | -31.85687° |
| Longitude | -150.99186° |
| Altitude | 1,474.52 km |
| Speed | 7.113 km/s |
| Apparent Right ascension | 07h 12m 12s |
| Apparent Declination | -36° 57' 16" |
| Sunlit | Object is in full shadow |
Visualization observer readout
| Local Sidereal Time | 17:39:34 |
| Azimuth | 271.884° WNW |
| Elevation | -71.67° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 1,483.309 km |
| Perigee altitude | 1,383.462 km |
| Semi-major axis | 7,811.522 km |
| Eccentricity | 0.006391 |
| Inclination | 101.0872° |
| RAAN | 311.5465° |
| Arg. of periapsis | 335.7735° |
| True anomaly | 137.58611° |
| Mean anomaly | 137.0904° |
| Eccentric anomaly | 137.33855° |
| Mean motion | 3.14369 °/min |
| BSTAR | 0.000023548 |
| Orbital period | 114.52 mins |
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Other satellites on launch #87 in the year 1966 (1966-10-02 UTC)
| ESSA 3 (TOS-A), 2435 |
| DELTA 1 R/B, 2436 |
| DELTA 1 DEB, 2518 |
| DELTA 1 DEB, 2775 |
| DELTA 1 DEB *, 6213 |
| DELTA 1 DEB *, 8791 |
ESSA 3 (TOS-A) Visibility forecast
Observer location: undefined°, undefined
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2025-01-23 17:23:00.252Z | 108.62° ESE | 2025-01-23 17:29:00.252Z | 56.106° ENE | 25.363° | 2025-01-23 17:35:00.252Z | 5.346° NNE |
| 15 mins | 2025-01-23 19:14:00.252Z | 175.981° S | 2025-01-23 19:21:00.252Z | 262.505° W | 42.458° | 2025-01-23 19:29:00.252Z | 338.3° N |
| 14 mins | 2025-01-24 07:15:00.252Z | 34.347° NE | 2025-01-24 07:21:00.252Z | 96.412° ESE | 35.831° | 2025-01-24 07:29:00.252Z | 170.857° S |
| 14 mins | 2025-01-24 09:07:00.252Z | 0.032° NNE | 2025-01-24 09:14:00.252Z | 290.97° WNW | 33.363° | 2025-01-24 09:21:00.252Z | 232.826° WSW |
Authenticating...
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