SOLRAD 7B, 1291
Orbit data source: Space-Track
SOLRAD 7B, 1291 is an American payload satellite in LEO that was launched on Tue, 09 Mar 1965 UTC via a THOR SLV-2 AGENA D launch vehicle from the Air Force Western Test Range (AFWTR). Payloads include a variety of satellites, spacecraft, and rockets 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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1291 intel report (Beta)
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Edit Public Description
| Identifier | |
| Orbit | LEO |
| Last TLE update | 22 hours ago |
| Origin | |
| Manufacturer | NRL |
| Mission | Defense Science |
| Bus & Motor | NRL 24", Unknown motor |
| Mass | 47 kg wet, 47 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Sphere + 1 Ant, 1.5 m |
| Radar Cross Section | 0.248 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 22 hours ago
0 SOLRAD 7B
1 01291U 65016D 25081.79064874 .00000128 00000-0 13382-3 0 9993
2 01291 70.0771 115.8904 0021445 346.1724 13.8791 13.94894814 53758Epoch: 2025-03-22T18:58Z
Definitive object data (Epoch: 2025-03-22T18:58:32.051Z)
| Latitude | -0.00005° |
| Longitude | 10.72618° |
| Altitude | 898.667 km |
| Speed | 7.411 km/s |
| True Right ascension | 07h 43m 33s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -3.80301° |
| Longitude | 7.37354° |
| Altitude | 899.075 km |
| Speed | 7.41 km/s |
| Apparent Right ascension | 08h 39m 47s |
| Apparent Declination | -21° 54' 06" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 22:25:05 |
| Azimuth | 58.973° ENE |
| Elevation | -61.303° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 925.192 km |
| Perigee altitude | 893.935 km |
| Semi-major axis | 7,287.701 km |
| Eccentricity | 0.0021445 |
| Inclination | 70.0771° |
| RAAN | 115.8904° |
| Arg. of periapsis | 346.1724° |
| True anomaly | 13.9382° |
| Mean anomaly | 13.8791° |
| Eccentric anomaly | 13.90863° |
| Mean motion | 3.48865 °/min |
| BSTAR | 0.00013382 |
| Orbital period | 103.19 mins |
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Other satellites on launch #16 in the year 1965 (1965-03-09 UTC)
| OPS 4988 (GREB 6), 1271 |
| GGSE 2, 1244 |
| GGSE 3, 1292 |
| SECOR 3, 1208 |
| OSCAR 3, 1293 |
| SURCAL 2, 1310 (Decayed) |
| PORCUPINE 1, 1272 |
| THOR AGENA D R/B, 1245 |
| OPS 4988 DEB, 12099 |
| GGSE 3 DEB, 44043 |
SOLRAD 7B Visibility forecast
Observer location: undefined°, undefined°
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 | 2025-03-24 02:04:46.283Z | 135.933° SSE | 2025-03-24 02:07:46.283Z | 103.952° ESE | 16.533° | 2025-03-24 02:11:46.283Z | 60.977° ENE |
| 10 mins | 2025-03-24 03:48:46.283Z | 216.959° SW | 2025-03-24 03:52:46.283Z | 272.456° WNW | 42.111° | 2025-03-24 03:58:46.283Z | 18.749° NNE |
| 10 mins | 2025-03-24 12:50:46.283Z | 341.241° N | 2025-03-24 12:55:46.283Z | 69.509° E | 43.5° | 2025-03-24 13:00:46.283Z | 147.31° SSE |
| 5 mins | 2025-03-24 14:38:46.283Z | 282.825° WNW | 2025-03-24 14:40:46.283Z | 260.18° W | 15.9° | 2025-03-24 14:43:46.283Z | 228.376° WSW |
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