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 Civil Weather
Bus & Motor
TIROS I, Unknown motor
Mass
138 kg wet, 138 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.5 m
Radar Cross Section
0.920 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 ESSA 1 (OT-3)
1 01982U 66008A 25242.12579982 .00000200 00000-0 62984-4 0 9993
2 01982 97.8549 290.1562 0078636 283.8547 75.3908 14.48164643115815Epoch: 2025-08-30T03:01Z
TLE epoch observation values (Epoch: 2025-08-30T03:01:09.104Z)
Latitude
-0.00002°
Longitude
-93.69631°
Altitude
720.937 km
Speed
7.502 km/s
True Right ascension
19h 20m 37s
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
15:31:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
784.616 km
Perigee altitude
672.845 km
Semi-major axis
7,106.868 km
Eccentricity
0.00786
Inclination
97.8549°
RAAN
290.1562°
Arg. of periapsis
283.8547°
True anomaly
76.2649°
Mean anomaly
75.3908°
Eccentric anomaly
75.82764°
Mean motion
3.62265 °/min
Orbital period
99.37 mins
BSTAR
0.000062984
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Other satellites on launch #8 in the year 1966 (1966-02-03 UTC)
ESSA 1 (OT-3) 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-08-31 02:22:45.026Z | 118.752° SE | 2025-08-31 02:25:45.026Z | 75.32° E | 24.723° | 2025-08-31 02:29:45.026Z | 14.971° NNE |
| 7 mins | 2025-08-31 04:01:45.026Z | 215.085° SW | 2025-08-31 04:04:45.026Z | 274.125° WNW | 28.35° | 2025-08-31 04:08:45.026Z | 327.299° NNW |
| 8 mins | 2025-08-31 16:05:45.026Z | 15.551° NNE | 2025-08-31 16:08:45.026Z | 46.594° ENE | 44.369° | 2025-08-31 16:13:45.026Z | 190.889° SSW |
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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Authenticating...
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