ESSA 1 (OT-3), 1982
Orbit data source: Space-Track
ESSA 1 (OT-3), 1982 is a payload satellite owned by ESSA (US) in SSO that was launched on Thu, 03 Feb 1966 UTC via a THOR DELTA C launch vehicle from the Air Force Eastern Test Range (AFETR). Payload-class satellites include a variety of spacecraft 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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1982 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
RCA/East Windsor
Mission
Non-operational spacecraft
Bus & Motor
TIROS I, Unknown motor
Mass
138 kg wet, 138 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Medium (>0.1 m² and <1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 ESSA 1 (OT-3)
1 01982U 66008A 25315.08792143 .00000349 00000-0 10066-3 0 9992
2 01982 97.8423 357.9519 0081068 58.8208 302.0903 14.48218854126379Epoch: 2025-11-11T02:06Z
TLE epoch observation values (Epoch: 2025-11-11T02:06:36.411Z)
Latitude
0.00003°
Longitude
-84.17932°
Altitude
704.164 km
Speed
7.52 km/s
True Right ascension
23h 51m 48s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
03:01:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
786.165 km
Perigee altitude
670.94 km
Semi-major axis
7,106.69 km
Eccentricity
0.00811
Inclination
97.8423°
RAAN
357.9519°
Arg. of periapsis
58.8208°
True anomaly
301.29903°
Mean anomaly
302.0903°
Eccentric anomaly
301.69509°
Mean motion
3.62278 °/min
Orbital period
99.37 mins
BSTAR
0.00010066
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Other satellites on launch #8 in the year 1966 (1966-02-03 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.ESSA 1 (OT-3) Visibility forecast
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-12 15:10:00.936Z | 35.142° NE | 2025-11-12 15:14:00.936Z | 99.873° ESE | 28.739° | 2025-11-12 15:18:00.936Z | 159.379° S |
| 6 mins | 2025-11-12 16:50:00.936Z | 328.909° NNW | 2025-11-12 16:52:00.936Z | 293.889° NW | 23.334° | 2025-11-12 16:56:00.936Z | 237.721° WSW |
| 6 mins | 2025-11-13 02:21:00.936Z | 120.34° SE | 2025-11-13 02:23:00.936Z | 81.359° E | 28.743° | 2025-11-13 02:27:00.936Z | 9.492° NNE |
| 5 mins | 2025-11-13 04:00:00.936Z | 234.207° WSW | 2025-11-13 04:02:00.936Z | 269.202° W | 20.277° | 2025-11-13 04:05:00.936Z | 313.431° NW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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