ESSA 3 (TOS-A), 2435
Orbit data source: Space-Track
ESSA 3 (TOS-A), 2435 is a payload satellite owned by ESSA (US) in LEO 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
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ESSA 3 (TOS-A) details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 1 day 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 1 day ago
0 ESSA 3 (TOS-A)
1 02435U 66087A 24285.77557493 -.00000021 00000-0 12178-3 0 9995
2 02435 101.0730 214.0989 0063837 181.8403 234.4688 12.56867402661945Epoch: 2024-10-11T18:36Z
Definitive object data (Epoch: 2024-10-11T18:36:49.673Z)
| Latitude | 54.27575° |
| Longitude | -101.65923° |
| Altitude | 1,473.864 km |
| Speed | 7.118 km/s |
| True Right ascension | 13h 13m 33s |
| True Declination | 54° 07' 39" |
| Sunlit | Object was in daylight at TLE epoch |
Predictive object data (real-time)
| Latitude | -8.44045° |
| Longitude | 93.31961° |
| Altitude | 1,390.659 km |
| Speed | 7.187 km/s |
| Apparent Right ascension | 01h 37m 38s |
| Apparent Declination | -22° 52' 01" |
| Sunlit | Object is in full shadow |
Predictive observer data (real-time)
| Local Sidereal Time | 12:41:05 |
| Azimuth | 320.732° NNW |
| Elevation | -69.171° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 1,483.267 km |
| Perigee | 1,383.534 km |
| Semi-major axis | 7,811.537 km |
| Eccentricity | 0.0063837 |
| Inclination | 101.073° |
| RAAN | 214.0989° |
| Arg. of periapsis | 181.8403° |
| True anomaly | 233.87625° |
| Mean anomaly | 234.4688° |
| Eccentric anomaly | 234.17225° |
| Mean motion | 3.14368 °/min |
| BSTAR | 0.00012178 |
| Period | 114.52 mins |
No data available
No data available
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: 39.9160978°, -105.1181434
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. |
|---|---|---|---|---|---|---|---|
| 16 mins | 2024-10-12 19:14:19.116Z | 164.712° S | 2024-10-12 19:22:19.116Z | 292.756° NW | 44.714° | 2024-10-12 19:30:19.116Z | 342.315° N |
| 7 mins | 2024-10-12 21:12:19.116Z | 245.253° WSW | 2024-10-12 21:15:19.116Z | 268.251° W | 15.145° | 2024-10-12 21:19:19.116Z | 298.922° NW |
| 12 mins | 2024-10-13 07:16:19.116Z | 40.458° NE | 2024-10-13 07:22:19.116Z | 100.774° ESE | 29.365° | 2024-10-13 07:28:19.116Z | 156.263° SSE |
| 14 mins | 2024-10-13 09:08:19.116Z | 3.751° NNE | 2024-10-13 09:14:19.116Z | 306.181° NW | 37.465° | 2024-10-13 09:22:19.116Z | 223.121° SW |