OPS 4988 (GREB 6), 1271
Orbit data source: Space-Track
OPS 4988 (GREB 6), 1271 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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1271 intel report (Beta)
OPS 4988 (GREB 6) details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 1 day ago |
| Origin | |
| Manufacturer | NRL |
| Mission | Defense Sigint |
| Bus & Motor | NRL 24", Unknown motor |
| Mass | 48 kg wet, 48 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Sphere, 0.5 m |
| Radar Cross Section | 0.196 m², Medium (>0.1 m² and < 1m²) |
Expand to show TLE details & history
TLE from 1 day ago
0 OPS 4988 (GREB 6)
1 01271U 65016A 25001.35932355 .00000195 00000-0 17828-3 0 9996
2 01271 70.0779 211.8367 0018584 44.0033 128.9749 13.96513219 44559Epoch: 2025-01-01T08:37Z
Definitive object data (Epoch: 2025-01-01T08:37:25.554Z)
| Latitude | 6.37898° |
| Longitude | 158.91648° |
| Altitude | 916.142 km |
| Speed | 7.39 km/s |
| True Right ascension | 01h 58m 06s |
| True Declination | 6° 20' 31" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -66.8682° |
| Longitude | -143.99407° |
| Altitude | 941.62 km |
| Speed | 7.375 km/s |
| Apparent Right ascension | 04h 31m 32s |
| Apparent Declination | -55° 01' 35" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 15:47:58 |
| Azimuth | 202.058° SSW |
| Elevation | -73.237° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 917.462 km |
| Perigee altitude | 890.396 km |
| Semi-major axis | 7,282.066 km |
| Eccentricity | 0.0018584 |
| Inclination | 70.0779° |
| RAAN | 211.8367° |
| Arg. of periapsis | 44.0033° |
| True anomaly | 129.14022° |
| Mean anomaly | 128.9749° |
| Eccentric anomaly | 129.05758° |
| Mean motion | 3.4927 °/min |
| BSTAR | 0.00017828 |
| Orbital period | 103.07 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 |
| SOLRAD 7B, 1291 |
| 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 |
OPS 4988 (GREB 6) 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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-01-02 16:38:17.110Z | 262.292° W | 2025-01-02 16:42:17.110Z | 308.278° NW | 20.368° | 2025-01-02 16:46:17.110Z | 354.749° N |
| 9 mins | 2025-01-02 23:54:17.110Z | 2.227° NNE | 2025-01-02 23:58:17.110Z | 66.02° ENE | 30.217° | 2025-01-03 00:03:17.110Z | 123.007° SE |
| 9 mins | 2025-01-03 01:39:17.110Z | 311.366° NW | 2025-01-03 01:43:17.110Z | 256.887° W | 29.579° | 2025-01-03 01:48:17.110Z | 193.649° SSW |
| 11 mins | 2025-01-03 14:55:17.110Z | 199.688° SSW | 2025-01-03 15:00:17.110Z | 168.285° S | 44.488° | 2025-01-03 15:06:17.110Z | 25.913° NE |
Authenticating...
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