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 spacecraft
Bus & Motor
NRL 14", Unknown motor
Mass
9 kg wet, 9 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
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 26033.32114853 .00000034 00000-0 51680-4 0 9993
2 01512 89.9875 212.6134 0067838 267.3317 211.0650 13.33586716942077Epoch: 2026-02-02T07:42Z
TLE epoch observation values (Epoch: 2026-02-02T07:42:27.232Z)
Latitude
62.08709°
Longitude
144.45834°
Altitude
1,187.731 km
Speed
7.244 km/s
True Right ascension
02h 10m 21s
True Declination
61° 57' 10"
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
14:36:28
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,181.275 km
Perigee altitude
1,079.403 km
Semi-major axis
7,508.476 km
Eccentricity
0.00678
Inclination
89.9875°
RAAN
212.6134°
Arg. of periapsis
267.3317°
True anomaly
210.66677°
Mean anomaly
211.065°
Eccentric anomaly
210.8656°
Mean motion
3.33592 °/min
Orbital period
107.92 mins
BSTAR
0.00005168
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Other satellites on launch #65 in the year 1965 (1965-08-13 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.TEMPSAT 1 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-02-02 23:56:02.315Z | 9.224° NNE | 2026-02-03 00:02:02.315Z | 116.689° SE | 42.825° | 2026-02-03 00:08:02.315Z | 173.497° S |
| 8 mins | 2026-02-03 01:45:02.315Z | 323.176° NNW | 2026-02-03 01:49:02.315Z | 283.357° WNW | 19.009° | 2026-02-03 01:53:02.315Z | 247.009° WSW |
| 12 mins | 2026-02-03 12:02:02.315Z | 169.348° S | 2026-02-03 12:07:02.315Z | 124.68° SE | 44.154° | 2026-02-03 12:14:02.315Z | 0.707° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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