RELAY 1 (A-15), 503
Orbit data source: Space-Track
RELAY 1 (A-15), 503 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
| Identifier | |
| Orbit | HEO |
| Last TLE update | 12 hours ago |
| Origin | |
| Manufacturer | RCA/East Windsor |
| Mission status | Unknown |
| Mission | Civil Communications |
| Bus & Motor | RELAY, Unknown motor |
| 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) |
Expand to show TLE details & history
TLE from 12 hours ago
0 RELAY 1 (A-15)
1 00503U 62068A 24251.57439529 -.00000026 00000-0 00000-0 0 9997
2 00503 47.5035 173.5763 2842678 153.4591 10.3975 7.78154830755062Epoch: 2024-09-07T13:47Z
Definitive object data (Epoch: 2024-09-07T13:47:07.753Z)
| Latitude | 5.31417° |
| Longitude | 154.79968° |
| Altitude | 1,417.442 km |
| Speed | 8.077 km/s |
| True Right ascension | 23h 14m 51s |
| True Declination | 5° 17' 07" |
| Sunlit | Object was in full shadow at TLE epoch |
Predictive object data (real-time)
| Latitude | 46.24903° |
| Longitude | 51.39011° |
| Altitude | 2,885.205 km |
| Speed | 7.007 km/s |
| Apparent Right ascension | 13h 24m 18s |
| Apparent Declination | 44° 58' 44" |
| Sunlit | Object is in daylight |
Predictive observer data (real-time)
| Local Sidereal Time | 17:48:06 |
| Azimuth | 298.94° NW |
| Elevation | 42.426° |
| Doppler factor | 1 |
Orbital elements
| Apogee | 7,437.841 km |
| Perigee | 1,321.613 km |
| Semi-major axis | 10,757.864 km |
| Eccentricity | 0.2842678 |
| Inclination | 47.5035° |
| RAAN | 173.5763° |
| Arg. of periapsis | 153.4591° |
| True anomaly | 19.29705° |
| Mean anomaly | 10.3975° |
| Eccentric anomaly | 14.46623° |
| Mean motion | 1.94515 °/min |
| BSTAR | Unknown |
| Period | 185.08 mins |
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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