ESSA 8 (TOS-F), 3615
Orbit data source: Space-Track
ESSA 8 (TOS-F), 3615 is a payload satellite owned by ESSA (US) in SSO that was launched on Sun, 15 Dec 1968 UTC via a THOR DELTA N 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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3615 intel report (Beta)
ESSA 8 (TOS-F) details
| Identifier | |
| Orbit | SSO |
| Last TLE update | 9 hours ago |
| Origin | |
| Manufacturer | RCA/East Windsor |
| Mission | Non-operational Civil Weather |
| Bus & Motor | TIROS I, Unknown motor |
| Mass | 131 kg wet, 131 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 9 hours ago
0 ESSA 8 (TOS-F)
1 03615U 68114A 24361.43415294 -.00000036 00000-0 53990-4 0 9993
2 03615 101.6278 306.3883 0031652 289.1722 70.5928 12.56238098569039Epoch: 2024-12-26T10:25Z
Definitive object data (Epoch: 2024-12-26T10:25:10.814Z)
| Latitude | 0.00005° |
| Longitude | 54.67963° |
| Altitude | 1,432.944 km |
| Speed | 7.149 km/s |
| True Right ascension | 20h 25m 33s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -64.07942° |
| Longitude | 79.97424° |
| Altitude | 1,438.176 km |
| Speed | 7.153 km/s |
| Apparent Right ascension | 04h 02m 47s |
| Apparent Declination | -72° 10' 22" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 19:00:08 |
| Azimuth | 160.056° S |
| Elevation | -51.15° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 1,460.776 km |
| Perigee altitude | 1,411.309 km |
| Semi-major axis | 7,814.179 km |
| Eccentricity | 0.0031652 |
| Inclination | 101.6278° |
| RAAN | 306.3883° |
| Arg. of periapsis | 289.1722° |
| True anomaly | 70.93534° |
| Mean anomaly | 70.5928° |
| Eccentric anomaly | 70.76403° |
| Mean motion | 3.14209 °/min |
| BSTAR | 0.00005399 |
| Orbital period | 114.57 mins |
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Other satellites on launch #114 in the year 1968 (1968-12-15 UTC)
ESSA 8 (TOS-F) 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. |
|---|---|---|---|---|---|---|---|
| 15 mins | 2024-12-26 20:04:27.122Z | 152.933° SSE | 2024-12-26 20:11:27.122Z | 96.625° ESE | 44.097° | 2024-12-26 20:19:27.122Z | 346.097° N |
| 10 mins | 2024-12-26 22:00:27.122Z | 227.735° WSW | 2024-12-26 22:05:27.122Z | 270.549° WNW | 20.275° | 2024-12-26 22:10:27.122Z | 310.634° NW |
| 11 mins | 2024-12-27 08:07:27.122Z | 52.041° ENE | 2024-12-27 08:12:27.122Z | 97.039° ESE | 22.985° | 2024-12-27 08:18:27.122Z | 145.29° SSE |
| 15 mins | 2024-12-27 09:58:27.122Z | 10.984° NNE | 2024-12-27 10:05:27.122Z | 284.578° WNW | 43.114° | 2024-12-27 10:13:27.122Z | 211.053° SW |
| 7 mins | 2024-12-27 11:53:27.122Z | 334.663° NNW | 2024-12-27 11:56:27.122Z | 311.001° NW | 15.407° | 2024-12-27 12:00:27.122Z | 280.965° WNW |
| 12 mins | 2024-12-27 19:04:27.122Z | 110.396° ESE | 2024-12-27 19:09:27.122Z | 61.378° ENE | 29.376° | 2024-12-27 19:16:27.122Z | 0.153° NNE |
Authenticating...
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