RELAY 1 (A-15), 00503
Orbit data source: Space-Track
RELAY 1 (A-15), 00503 is a payload satellite owned by GSFC (US) in HEO that was launched on Thu, 13 Dec 1962 UTC via a Thor Delta B launch vehicle from the Air Force Eastern Test Range (AFETR). 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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RELAY 1 (A-15) details
| NORAD ID | 00503 |
| COSPAR ID | |
| Orbit | HEO |
| Last TLE update | 16 hours ago |
| Origin | |
| Manufacturer | RCA/East Windsor |
| Bus | Relay |
| Motor | Unknown |
| Mass | 78 kg wet, 78 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Radar Cross Section | Medium (>0.1 m² and <1 m²) |
Predictive object data (real-time)
| Latitude | -7.53001° |
| Longitude | -175.69337° |
| Altitude | 3,401.527 km |
| Speed | 6.669 km/s |
| Apparent Right ascension | 05h 38m 47s |
| Apparent Declination | -33° 39' 54" |
| Sunlit | Object is in daylight |
Predictive observer data (real-time)
| Local Sidereal Time | 23:55:00 |
| Azimuth | 119.144° SE |
| Elevation | -18.093° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 7,441.273 km |
| Perigee | 1,318.186 km |
| Semi-major axis | 10,757.867 km |
| Eccentricity | 0.2845865 |
| Inclination | 47.4991° |
| RAAN | 228.3327° |
| Arg. of periapsis | 101.5572° |
| True anomaly | 70.2665° |
| Mean anomaly | 41.9876° |
| Eccentric anomaly | 55.41114° |
| Mean motion | 1.94515 °/min |
| BSTAR | Unknown |
| Period | 185.08 mins |
Definitive object data (Epoch: 2024-07-26T19:00:39.392Z)
| Latitude | 5.9945° |
| Longitude | 172.70874° |
| Altitude | 2,640.488 km |
| Speed | 7.167 km/s |
| True Right ascension | 02h 51m 20s |
| True Declination | 5° 57' 59" |
| Sunlit | Object was in daylight at TLE epoch |
TLE from 16 hours ago
0 RELAY 1 (A-15)
1 00503U 62068A 24208.79212260 -.00000032 00000-0 00000-0 0 9991
2 00503 47.4991 228.3327 2845865 101.5572 41.9876 7.78154599751733Epoch: 2024-07-26T19:00Z
No data available
Other satellites on launch #68 in the year 1962 (1962-12-13 UTC)
| RELAY 1 (A-15), 503 |
| DELTA 1 R/B, 515 |
RELAY 1 (A-15) Visibility forecast
Observer location: 39.9160978°, -105.1181434
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. |
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