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: 13 hours ago
TLE from 13 hours ago
0 TEMPSAT 1
1 1512U 65065E 26124.78175802 .00000043 00000-0 67504-4 0 9997
2 1512 90.0011 212.5853 0069858 12.2419 104.5263 13.33591951954260Epoch: 2026-05-04T18:45Z
TLE epoch observation values (Epoch: 2026-05-04T18:45:43.892Z)
Latitude
62.54392°
Longitude
-111.5115°
Altitude
1,157.564 km
Speed
7.274 km/s
True Right ascension
02h 10m 20s
True Declination
62° 24' 38"
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
16:02:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,182.771 km
Perigee altitude
1,077.866 km
Semi-major axis
7,508.456 km
Eccentricity
0.00699
Inclination
90.0011°
RAAN
212.5853°
Arg. of periapsis
12.2419°
True anomaly
105.29951°
Mean anomaly
104.5263°
Eccentric anomaly
104.91308°
Mean motion
3.33593 °/min
Orbital period
107.92 mins
BSTAR
0.000067504
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-05-05 16:24:55.670Z | 44.791° NE | 2026-05-05 16:28:55.670Z | 80.112° E | 14.161° | 2026-05-05 16:31:55.670Z | 105.884° ESE |
| 12 mins | 2026-05-05 18:11:55.670Z | 2.027° NNE | 2026-05-05 18:16:55.670Z | 347.612° N | 44.942° | 2026-05-05 18:23:55.670Z | 184.762° SSW |
| 5 mins | 2026-05-05 20:01:55.670Z | 308.681° NW | 2026-05-05 20:03:55.670Z | 290.165° WNW | 14.313° | 2026-05-05 20:06:55.670Z | 263.813° W |
| 6 mins | 2026-05-06 04:33:55.670Z | 95.509° ESE | 2026-05-06 04:36:55.670Z | 65.374° ENE | 15.671° | 2026-05-06 04:39:55.670Z | 37.547° NE |
| 12 mins | 2026-05-06 06:17:55.670Z | 182.66° SSW | 2026-05-06 06:22:55.670Z | 227.927° WSW | 43.961° | 2026-05-06 06:29:55.670Z | 355.114° 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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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