ESSA 5, 2757
Orbit data source: Space-Track
ESSA 5, 2757 is a payload satellite owned by ESSA (US) in SSO that was launched on Thu, 20 Apr 1967 UTC via a THOR DELTA E launch vehicle from the Air Force Western Test Range (AFWTR). 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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2757 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
147 kg wet, 147 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl, 0.6 m
Radar Cross Section
0.994 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 ESSA 5
1 02757U 67036A 25260.06831623 -.00000022 00000-0 13293-3 0 9993
2 02757 101.9746 67.2750 0043053 68.3405 41.4469 12.68537645704342Epoch: 2025-09-17T01:38Z
TLE epoch observation values (Epoch: 2025-09-17T01:38:22.522Z)
Latitude
66.80065°
Longitude
-104.06938°
Altitude
1,374.278 km
Speed
7.19 km/s
True Right ascension
18h 27m 05s
True Declination
66° 41' 09"
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
21:06:32
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,418.863 km
Perigee altitude
1,352.014 km
Semi-major axis
7,763.576 km
Eccentricity
0.00431
Inclination
101.9746°
RAAN
67.275°
Arg. of periapsis
68.3405°
True anomaly
41.77478°
Mean anomaly
41.4469°
Eccentric anomaly
41.61071°
Mean motion
3.17286 °/min
Orbital period
113.46 mins
BSTAR
0.00013293
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Other satellites on launch #36 in the year 1967 (1967-04-20 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 5 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-09-18 09:24:38.410Z | 101.911° ESE | 2025-09-18 09:29:38.410Z | 58.062° ENE | 23.079° | 2025-09-18 09:35:38.410Z | 5.811° NNE |
| 13 mins | 2025-09-18 11:14:38.410Z | 171.51° S | 2025-09-18 11:20:38.410Z | 255.411° W | 43.698° | 2025-09-18 11:27:38.410Z | 337.638° N |
| 12 mins | 2025-09-18 23:08:38.410Z | 44.065° NE | 2025-09-18 23:13:38.410Z | 92.56° ESE | 28.249° | 2025-09-18 23:20:38.410Z | 157.607° S |
| 13 mins | 2025-09-19 00:59:38.410Z | 4.826° NNE | 2025-09-19 01:05:38.410Z | 296.181° NW | 38.747° | 2025-09-19 01:12:38.410Z | 223.234° SW |
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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