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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
1512 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
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: 13 hours ago
TLE from 13 hours ago
0 TEMPSAT 1
1 1512U 65065E 25324.42937858 .00000071 00000-0 12208-3 0 9997
2 1512 89.9895 212.6886 0071240 114.2123 64.7312 13.33579505932222Epoch: 2025-11-20T10:18Z
TLE epoch observation values (Epoch: 2025-11-20T10:18:18.309Z)
Latitude
0.20236°
Longitude
178.42539°
Altitude
1,113.662 km
Speed
7.307 km/s
True Right ascension
02h 10m 45s
True Declination
0° 12' 04"
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
20:20:42
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,183.856 km
Perigee altitude
1,076.875 km
Semi-major axis
7,508.503 km
Eccentricity
0.00712
Inclination
89.9895°
RAAN
212.6886°
Arg. of periapsis
114.2123°
True anomaly
65.47223°
Mean anomaly
64.7312°
Eccentric anomaly
65.10144°
Mean motion
3.3359 °/min
Orbital period
107.92 mins
BSTAR
0.00012208
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #65 in the year 1965 (1965-08-13 UTC)
Did you know?
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
Loading observer location...
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 | 2025-11-21 04:01:17.999Z | 23.798° NE | 2025-11-21 04:07:17.999Z | 90.455° ESE | 26.959° | 2025-11-21 04:12:17.999Z | 141.726° SSE |
| 10 mins | 2025-11-21 05:50:17.999Z | 340.266° N | 2025-11-21 05:54:17.999Z | 289.277° WNW | 33.325° | 2025-11-21 06:00:17.999Z | 215.061° SW |
| 10 mins | 2025-11-21 16:09:17.999Z | 135° SE | 2025-11-21 16:14:17.999Z | 71.557° E | 30.72° | 2025-11-21 16:19:17.999Z | 17.589° NNE |
| 10 mins | 2025-11-21 17:57:17.999Z | 219.843° SW | 2025-11-21 18:01:17.999Z | 268.995° W | 30.497° | 2025-11-21 18:07:17.999Z | 338.606° N |
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 ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|