ESSA 4 (TOS-B), 2657
Orbit data source: Space-Track
ESSA 4 (TOS-B), 2657 is a payload satellite owned by ESSA (US) in SSO that was launched on Thu, 26 Jan 1967 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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2657 intel report (Beta)
ESSA 4 (TOS-B) details
| Identifier | |
| Orbit | SSO |
| Last TLE update | 7 hours ago |
| Origin | |
| Manufacturer | RCA/East Windsor |
| Mission | Non-operational Civil Weather |
| Bus & Motor | TIROS I, Unknown motor |
| Mass | 132 kg wet, 132 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 7 hours ago
0 ESSA 4 (TOS-B)
1 2657U 67006A 24356.38197066 -.00000035 00000-0 72963-4 0 9999
2 2657 102.0629 157.2954 0072899 262.6872 129.2851 12.69878002684080Epoch: 2024-12-21T09:10Z
Definitive object data (Epoch: 2024-12-21T09:10:02.265Z)
| Latitude | 31.86554° |
| Longitude | -78.24391° |
| Altitude | 1,422.309 km |
| Speed | 7.136 km/s |
| True Right ascension | 09h 58m 47s |
| True Declination | 31° 43' 29" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | -10.76436° |
| Longitude | 107.3191° |
| Altitude | 1,368.558 km |
| Speed | 7.183 km/s |
| Apparent Right ascension | 00h 00m 16s |
| Apparent Declination | -27° 24' 49" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 14:43:01 |
| Azimuth | 82.244° E |
| Elevation | -54.265° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 1,436.532 km |
| Perigee altitude | 1,323.42 km |
| Semi-major axis | 7,758.113 km |
| Eccentricity | 0.0072899 |
| Inclination | 102.0629° |
| RAAN | 157.2954° |
| Arg. of periapsis | 262.6872° |
| True anomaly | 129.92795° |
| Mean anomaly | 129.2851° |
| Eccentric anomaly | 129.6069° |
| Mean motion | 3.17621 °/min |
| BSTAR | 0.000072963 |
| Orbital period | 113.34 mins |
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Other satellites on launch #6 in the year 1967 (1967-01-26 UTC)
| ESSA 4 (TOS-B), 2657 |
| DELTA 1 R/B, 2661 |
| DELTA 1 DEB, 2706 |
| DELTA 1 DEB, 2707 |
| DELTA 1 DEB, 5971 |
ESSA 4 (TOS-B) 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. |
|---|---|---|---|---|---|---|---|
| 13 mins | 2024-12-21 22:52:41.229Z | 38.862° NE | 2024-12-21 22:58:41.229Z | 92.215° ESE | 29.139° | 2024-12-21 23:05:41.229Z | 158.304° S |
| 13 mins | 2024-12-22 00:44:41.229Z | 3.921° NNE | 2024-12-22 00:50:41.229Z | 293.348° NW | 38.581° | 2024-12-22 00:57:41.229Z | 223.972° SW |
| 13 mins | 2024-12-22 09:42:41.229Z | 124.161° SE | 2024-12-22 09:48:41.229Z | 65.82° ENE | 34.028° | 2024-12-22 09:55:41.229Z | 357.113° N |
| 14 mins | 2024-12-22 11:33:41.229Z | 193.153° SSW | 2024-12-22 11:39:41.229Z | 251.385° W | 34.659° | 2024-12-22 11:47:41.229Z | 329.134° NNW |
Authenticating...
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