TEMPSAT 1, 1512
Orbit data source: Space-Track
TEMPSAT 1, 1512 is a payload satellite owned by NRL (US) in LEO that was launched on Fri, 13 Aug 1965 UTC via a THOR ABLESTAR 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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1512 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
NRL
Mission
Operational Defense Calibration
Bus & Motor
NRL 14", Unknown motor
Mass
9 kg wet, 9 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Sphere, 0.2 m
Radar Cross Section
0.102 m², Small (<0.1 m²)
Expand to show TLE details & historyLast TLE update: 5 hours ago
TLE from 5 hours ago
0 TEMPSAT 1
1 01512U 65065E 25242.92031378 .00000062 00000-0 10728-3 0 9998
2 01512 89.9804 212.7812 0069202 345.4591 68.1878 13.33570372921365Epoch: 2025-08-30T22:05Z
TLE epoch observation values (Epoch: 2025-08-30T22:05:15.11Z)
Latitude
54.47897°
Longitude
-97.85213°
Altitude
1,123.371 km
Speed
7.305 km/s
True Right ascension
14h 11m 14s
True Declination
54° 19' 27"
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
18:55:16
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,182.361 km
Perigee altitude
1,078.439 km
Semi-major axis
7,508.537 km
Eccentricity
0.00692
Inclination
89.9804°
RAAN
212.7812°
Arg. of periapsis
345.4591°
True anomaly
68.92638°
Mean anomaly
68.1878°
Eccentric anomaly
68.55685°
Mean motion
3.33588 °/min
Orbital period
107.92 mins
BSTAR
0.00010728
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Other satellites on launch #65 in the year 1965 (1965-08-13 UTC)
TEMPSAT 1 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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-08-31 09:13:29.831Z | 26.221° NE | 2025-08-31 09:19:29.831Z | 85.996° E | 24.894° | 2025-08-31 09:24:29.831Z | 134.635° SE |
| 12 mins | 2025-08-31 11:01:29.831Z | 348.965° N | 2025-08-31 11:07:29.831Z | 270.285° WNW | 38.03° | 2025-08-31 11:13:29.831Z | 206.964° SW |
| 10 mins | 2025-08-31 21:21:29.831Z | 127.999° SE | 2025-08-31 21:26:29.831Z | 69.197° E | 26.682° | 2025-08-31 21:31:29.831Z | 19.785° NNE |
| 11 mins | 2025-08-31 23:08:29.831Z | 208.405° SW | 2025-08-31 23:13:29.831Z | 272.312° WNW | 34.526° | 2025-08-31 23:19:29.831Z | 342.888° N |
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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