ESSA 2 (OT-2), 2091
Orbit data source: Space-Track
ESSA 2 (OT-2), 2091 is a payload satellite owned by ESSA (US) in LEO that was launched on Mon, 28 Feb 1966 UTC via a THOR DELTA E launch vehicle from the Air Force Eastern Test Range (AFETR). 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.
Focus sentinelFocus sentinel
2091 intel report
Loading greatness...
ESSA 2 (OT-2) 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 | 130 kg wet, 130 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Cyl, 1.07 m |
| Radar Cross Section | 0.920 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 1 day ago
0 ESSA 2 (OT-2)
1 02091U 66016A 24285.71398135 -.00000023 00000-0 10327-3 0 9991
2 02091 101.2429 198.7082 0039255 61.4600 353.3744 12.69414314715781Epoch: 2024-10-11T17:08Z
Definitive object data (Epoch: 2024-10-11T17:08:07.988Z)
| Latitude | 53.34885° |
| Longitude | -94.52189° |
| Altitude | 1,362.598 km |
| Speed | 7.196 km/s |
| True Right ascension | 12h 13m 09s |
| True Declination | 53° 11' 49" |
| Sunlit | Object was in daylight at TLE epoch |
Predictive object data (real-time)
| Latitude | -78.29402° |
| Longitude | 29.25793° |
| Altitude | 1,439.131 km |
| Speed | 7.129 km/s |
| Apparent Right ascension | 00h 14m 19s |
| Apparent Declination | -64° 27' 24" |
| Sunlit | Object is in daylight |
Predictive observer data (real-time)
| Local Sidereal Time | 13:17:09 |
| Azimuth | 164.664° S |
| Elevation | -63.808° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 1,412.28 km |
| Perigee | 1,351.357 km |
| Semi-major axis | 7,759.956 km |
| Eccentricity | 0.0039255 |
| Inclination | 101.2429° |
| RAAN | 198.7082° |
| Arg. of periapsis | 61.46° |
| True anomaly | 353.32224° |
| Mean anomaly | 353.3744° |
| Eccentric anomaly | 353.34835° |
| Mean motion | 3.17508 °/min |
| BSTAR | 0.00010327 |
| Period | 113.38 mins |
No data available
No data available
Other satellites on launch #16 in the year 1966 (1966-02-28 UTC)
| ESSA 2 (OT-2), 2091 |
| DELTA 1 R/B, 2096 |
| DELTA 1 DEB, 2223 |
| DELTA 1 DEB, 2224 |
| DELTA 1 DEB, 6214 |
ESSA 2 (OT-2) 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2024-10-12 19:25:16.777Z | 207.477° SW | 2024-10-12 19:31:16.777Z | 259.509° W | 25.98° | 2024-10-12 19:37:16.777Z | 317.113° NNW |
| 6 mins | 2024-10-13 05:29:16.777Z | 67.838° E | 2024-10-13 05:32:16.777Z | 92.242° ESE | 14.352° | 2024-10-13 05:35:16.777Z | 115.925° SE |
| 14 mins | 2024-10-13 07:18:16.777Z | 18.988° NNE | 2024-10-13 07:24:16.777Z | 80.563° E | 44.795° | 2024-10-13 07:32:16.777Z | 195.801° SSW |
| 9 mins | 2024-10-13 09:11:16.777Z | 339.632° N | 2024-10-13 09:15:16.777Z | 302.786° NW | 20.43° | 2024-10-13 09:20:16.777Z | 261.928° W |
| 8 mins | 2024-10-13 16:20:16.777Z | 86.093° E | 2024-10-13 16:24:16.777Z | 50.441° ENE | 18.866° | 2024-10-13 16:28:16.777Z | 16.457° NNE |
| 14 mins | 2024-10-13 18:08:16.777Z | 161.531° S | 2024-10-13 18:14:16.777Z | 172.247° S | 44.95° | 2024-10-13 18:22:16.777Z | 343.341° N |