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: 22 hours ago
TLE from 22 hours ago
0 ESSA 5
1 02757U 67036A 25256.21757245 -.00000038 00000-0 50711-4 0 9996
2 02757 101.9744 63.2820 0043051 75.8513 96.1686 12.68537493703859Epoch: 2025-09-13T05:13Z
TLE epoch observation values (Epoch: 2025-09-13T05:13:18.259Z)
Latitude
7.26195°
Longitude
174.04283°
Altitude
1,393.582 km
Speed
7.162 km/s
True Right ascension
16h 19m 17s
True Declination
7° 13' 21"
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
19:50:55
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,418.862 km
Perigee altitude
1,352.016 km
Semi-major axis
7,763.576 km
Eccentricity
0.00431
Inclination
101.9744°
RAAN
63.282°
Arg. of periapsis
75.8513°
True anomaly
96.65878°
Mean anomaly
96.1686°
Eccentric anomaly
96.41372°
Mean motion
3.17286 °/min
Orbital period
113.46 mins
BSTAR
0.000050711
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-14 08:54:57.223Z | 83.437° E | 2025-09-14 08:58:57.223Z | 51.756° ENE | 15.907° | 2025-09-14 09:02:57.223Z | 18.805° NNE |
| 14 mins | 2025-09-14 10:42:57.223Z | 151.324° SSE | 2025-09-14 10:48:57.223Z | 97.593° ESE | 43.838° | 2025-09-14 10:56:57.223Z | 345.817° N |
| 10 mins | 2025-09-14 12:36:57.223Z | 226.525° WSW | 2025-09-14 12:41:57.223Z | 270.966° WNW | 19.722° | 2025-09-14 12:46:57.223Z | 311.725° NW |
| 8 mins | 2025-09-14 22:38:57.223Z | 62.461° ENE | 2025-09-14 22:41:57.223Z | 88.916° E | 18.687° | 2025-09-14 22:46:57.223Z | 131.724° SE |
| 14 mins | 2025-09-15 00:27:57.223Z | 14.755° NNE | 2025-09-15 00:34:57.223Z | 254.513° W | 44.345° | 2025-09-15 00:41:57.223Z | 205.464° SW |
| 7 mins | 2025-09-15 02:21:57.223Z | 334.441° NNW | 2025-09-15 02:24:57.223Z | 308.275° NW | 17.016° | 2025-09-15 02:28:57.223Z | 275.709° WNW |
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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