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 | 5 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 5 hours ago
0 CALSPHERE 1
1 00900U 64063C 25018.57241455 .00000969 00000-0 99059-3 0 9996
2 00900 90.2083 60.0550 0026747 54.0607 116.7255 13.75753341 643Epoch: 2025-01-18T13:44Z
Definitive object data (Epoch: 2025-01-18T13:44:16.617Z)
| Latitude | 8.87774° |
| Longitude | -84.20164° |
| Altitude | 990.159 km |
| Speed | 7.353 km/s |
| True Right ascension | 16h 00m 20s |
| True Declination | 8° 49' 38" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | 81.76141° |
| Longitude | 94.33907° |
| Altitude | 975.245 km |
| Speed | 7.38 km/s |
| Apparent Right ascension | 06h 51m 09s |
| Apparent Declination | 29° 37' 28" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 19:25:43 |
| Azimuth | 7.991° NNE |
| Elevation | -19.997° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 995.67 km |
| Perigee altitude | 956.33 km |
| Semi-major axis | 7,354.137 km |
| Eccentricity | 0.0026747 |
| Inclination | 90.2083° |
| RAAN | 60.055° |
| Arg. of periapsis | 54.0607° |
| True anomaly | 116.99884° |
| Mean anomaly | 116.7255° |
| Eccentric anomaly | 116.86221° |
| Mean motion | 3.44148 °/min |
| BSTAR | 0.00099059 |
| 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-01-19 01:18:31.666Z | 89.288° E | 2025-01-19 01:20:31.666Z | 69.651° E | 11.73° | 2025-01-19 01:22:31.666Z | 49.895° ENE |
| 10 mins | 2025-01-19 02:59:31.666Z | 175.154° S | 2025-01-19 03:04:31.666Z | 2.93° NNE | 44.432° | 2025-01-19 03:09:31.666Z | 357.889° N |
| 9 mins | 2025-01-19 13:57:31.666Z | 34.085° NE | 2025-01-19 14:01:31.666Z | 84.929° E | 25.101° | 2025-01-19 14:06:31.666Z | 140.286° SSE |
| 10 mins | 2025-01-19 15:41:31.666Z | 342.736° N | 2025-01-19 15:45:31.666Z | 291.385° WNW | 33.263° | 2025-01-19 15:51:31.666Z | 212.724° SW |
Authenticating...
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