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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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: 17 hours ago
TLE from 17 hours ago
0 TEMPSAT 1
1 01512U 65065E 26140.44196468 .00000033 00000-0 48908-4 0 9995
2 01512 90.0008 212.5893 0068435 327.9702 48.3883 13.33592501956358Epoch: 2026-05-20T10:36Z
TLE epoch observation values (Epoch: 2026-05-20T10:36:25.748Z)
Latitude
16.93295°
Longitude
175.38031°
Altitude
1,101.617 km
Speed
7.319 km/s
True Right ascension
14h 10m 21s
True Declination
16° 50' 30"
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
12:17:20
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,181.701 km
Perigee altitude
1,078.933 km
Semi-major axis
7,508.454 km
Eccentricity
0.00684
Inclination
90.0008°
RAAN
212.5893°
Arg. of periapsis
327.9702°
True anomaly
48.97796°
Mean anomaly
48.3883°
Eccentric anomaly
48.6828°
Mean motion
3.33593 °/min
Orbital period
107.92 mins
BSTAR
0.000048908
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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 | 2026-05-21 04:37:38.923Z | 155.429° SSE | 2026-05-21 04:43:38.923Z | 88.935° E | 38.788° | 2026-05-21 04:49:38.923Z | 9.383° NNE |
| 9 mins | 2026-05-21 06:27:38.923Z | 233.261° WSW | 2026-05-21 06:31:38.923Z | 274.997° WNW | 22.699° | 2026-05-21 06:36:38.923Z | 327.613° NNW |
| 10 mins | 2026-05-21 15:57:38.923Z | 33.791° NE | 2026-05-21 16:01:38.923Z | 76.319° E | 25.446° | 2026-05-21 16:07:38.923Z | 137.02° SSE |
| 12 mins | 2026-05-21 17:44:38.923Z | 347.4° N | 2026-05-21 17:49:38.923Z | 289.29° WNW | 37.494° | 2026-05-21 17:56:38.923Z | 207.114° SW |
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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