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: 6 hours ago
TLE from 6 hours ago
0 TEMPSAT 1
1 01512U 65065E 26080.89189675 .00000031 00000-0 43441-4 0 9994
2 01512 89.9963 212.5822 0071146 132.9231 355.1017 13.33589825948412Epoch: 2026-03-21T21:24Z
TLE epoch observation values (Epoch: 2026-03-21T21:24:19.879Z)
Latitude
52.13974°
Longitude
-107.91146°
Altitude
1,088.512 km
Speed
7.339 km/s
True Right ascension
02h 10m 18s
True Declination
51° 58' 49"
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
08:42:58
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,183.747 km
Perigee altitude
1,076.907 km
Semi-major axis
7,508.464 km
Eccentricity
0.00711
Inclination
89.9963°
RAAN
212.5822°
Arg. of periapsis
132.9231°
True anomaly
355.03146°
Mean anomaly
355.1017°
Eccentric anomaly
355.06664°
Mean motion
3.33593 °/min
Orbital period
107.92 mins
BSTAR
0.000043441
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-03-22 07:42:47.143Z | 116.42° SE | 2026-03-22 07:46:47.143Z | 78.412° E | 20.495° | 2026-03-22 07:51:47.143Z | 28.751° NE |
| 12 mins | 2026-03-22 09:28:47.143Z | 192.599° SSW | 2026-03-22 09:34:47.143Z | 286.681° WNW | 41.255° | 2026-03-22 09:40:47.143Z | 350.325° N |
| 11 mins | 2026-03-22 20:47:47.143Z | 10.918° NNE | 2026-03-22 20:52:47.143Z | 107.699° ESE | 42.763° | 2026-03-22 20:58:47.143Z | 173.183° S |
| 7 mins | 2026-03-22 22:36:47.143Z | 317.198° NNW | 2026-03-22 22:39:47.143Z | 285.472° WNW | 17.772° | 2026-03-22 22:43:47.143Z | 247.609° W |
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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