CALSPHERE 1, 900
Orbit data source: Space-Track
CALSPHERE 1, 900 is a payload satellite owned by NRL (US) in LEO that was launched on Tue, 06 Oct 1964 UTC via a THOR ABLESTAR 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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900 intel report (Beta)
CALSPHERE 1 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 15 hours ago |
| Origin | |
| Manufacturer | NRL |
| Mission | Operational Defense Calibration |
| Bus & Motor | NRL 14", Unknown motor |
| Mass | 1 kg wet, 1 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Sphere, 0.36 m |
| Radar Cross Section | 0.102 m², Small (<0.1 m²) |
Expand to show TLE details & history
TLE from 15 hours ago
0 CALSPHERE 1
1 00900U 64063C 25002.39371797 .00002275 00000-0 23397-2 0 9995
2 00900 90.2094 59.7002 0027639 100.3677 271.7764 13.75719197998414Epoch: 2025-01-02T09:26Z
Definitive object data (Epoch: 2025-01-02T09:26:57.232Z)
| Latitude | 11.78208° |
| Longitude | 175.645° |
| Altitude | 980.769 km |
| Speed | 7.362 km/s |
| True Right ascension | 03h 58m 37s |
| True Declination | 11° 42' 56" |
| Sunlit | Object was in full shadow at TLE epoch |
Visualization TLE readout
| Latitude | -17.73644° |
| Longitude | -4.36452° |
| Altitude | 989.191 km |
| Speed | 7.355 km/s |
| Apparent Right ascension | 14h 26m 20s |
| Apparent Declination | -30° 56' 45" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 00:09:44 |
| Azimuth | 277.227° WNW |
| Elevation | -60.97° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 996.448 km |
| Perigee altitude | 955.796 km |
| Semi-major axis | 7,354.259 km |
| Eccentricity | 0.0027639 |
| Inclination | 90.2094° |
| RAAN | 59.7002° |
| Arg. of periapsis | 100.3677° |
| True anomaly | 271.4598° |
| Mean anomaly | 271.7764° |
| Eccentric anomaly | 271.6181° |
| Mean motion | 3.4414 °/min |
| BSTAR | 0.0023397 |
| Orbital period | 104.61 mins |
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Other satellites on launch #63 in the year 1964 (1964-10-06 UTC)
| THOR ABLESTAR R/B, 893 |
| OPS 5798 (TRANSIT 5B-4), 897 |
| CALSPHERE 1, 900 |
| OPS 5798 DEB, 901 |
| CALSPHERE 2, 902 |
| OPS 5798 DEB, 903 |
CALSPHERE 1 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-01-03 02:58:41.222Z | 127.473° SE | 2025-01-03 03:02:41.222Z | 81.408° E | 24.669° | 2025-01-03 03:07:41.222Z | 22.71° NE |
| 10 mins | 2025-01-03 04:42:41.222Z | 208.577° SW | 2025-01-03 04:47:41.222Z | 285.176° WNW | 33.408° | 2025-01-03 04:52:41.222Z | 342.311° N |
| 11 mins | 2025-01-03 15:39:41.222Z | 12.19° NNE | 2025-01-03 15:44:41.222Z | 91.184° ESE | 41.169° | 2025-01-03 15:50:41.222Z | 170.197° S |
| 6 mins | 2025-01-03 17:25:41.222Z | 319.624° NNW | 2025-01-03 17:28:41.222Z | 285.253° WNW | 18.086° | 2025-01-03 17:31:41.222Z | 251.961° W |
Authenticating...
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