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DOY 203 | 2024-07-21T09:44:48Z
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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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OPS 4988 (GREB 6) details
NORAD ID1271
COSPAR ID
1965-016A
Orbit
LEO
Last TLE update4 hours ago
Origin
Flag of USNRO/NRL (US)
ManufacturerNRL
BusNRL 24"
MotorUnknown
Mass48 kg wet, 48 kg dry
Launch date (UTC)
1965-03-09 (59 years ago)
Launch vehicle
Thor SLV-2 Agena D
Launch site
Air Force Western Test Range (AFWTR)
Object type
Payload
Rocket body
Debris
Radar Cross Section0.61 m², Medium (>0.1 m² and < 1m²)
Predictive object data (real-time)
Latitude-10.29188°
Longitude-2.32005°
Altitude906.114 km
Speed7.401 km/s
Apparent Right ascension04h 32m 17s
Apparent Declination-46° 57' 32"
Sunlit
Object is in daylight
Predictive observer data (real-time)
Local Sidereal Time22:42:56
Azimuth130.432° SE
Elevation-26.401°
Doppler factor1
Orbital elements
Apogee921.334 km
Perigee887.202 km
Semi-major axis7,282.405 km
Eccentricity0.0023435
Inclination70.0776°
RAAN201.6113°
Arg. of periapsis266.3693°
True anomaly189.95649°
Mean anomaly190.003°
Mean motion3.49246 °/min
BSTAR0.00015126
Period103.08 mins
Definitive object data (Epoch: 2024-07-21T05:51:22.995Z)
Latitude69.23383°
Longitude-77.68666°
Altitude934.42 km
Speed7.383 km/s
True Right ascension20h 38m 36s
True Declination69° 07' 20"
Sunlit
Object was in daylight at TLE epoch
TLE from 4 hours ago
0 OPS 4988 (GREB 6)
1  1271U 65016A   24203.24401615  .00000157  00000-0  15126-3 0  9994
2  1271  70.0776 201.6113 0023435 266.3693 190.0030 13.96415802 22215
Epoch: 2024-07-21T05:51Z
No data available

OPS 4988 (GREB 6) Visibility forecast

Observer location: 39.9160978°, -105.1181434

OPS 4988 (GREB 6) is not visible in the next 10 days
Span
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Max El. time (UTC)
Max El. Az.
Max El.
End time (UTC)
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