BB 1, 56171
Orbit data source: Space-Track
BB 1, 56171 is a payload satellite owned by SDA (US) in LEO that was launched on Sun, 02 Apr 2023 UTC via an FALCON 9 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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56171 intel report (Beta)
BB 1 details
| Identifier | |
| Orbit | LEO |
| Last TLE update | 16 hours ago |
| Origin | |
| Manufacturer | SPX/LEIDOS |
| Mission | Operational Defense Early Warn |
| Bus & Motor | STARSHIELD?, Unknown motor |
| Mass | ~800 kg wet, ~800 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Box + 1 Pan, 9 m |
| Radar Cross Section | 12.397 m², Large (>1 m²) |
Expand to show TLE details & history
TLE from 16 hours ago
0 BB 1
1 56171U 23050K 25014.93703711 .00000117 00000-0 10343-3 0 9996
2 56171 81.0006 213.9282 0015395 249.0246 110.9260 13.79356077 90033Epoch: 2025-01-14T22:29Z
Definitive object data (Epoch: 2025-01-14T22:29:20.006Z)
| Latitude | -0.00002° |
| Longitude | 121.95827° |
| Altitude | 973.075 km |
| Speed | 7.363 km/s |
| True Right ascension | 14h 15m 42s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | 71.94486° |
| Longitude | -87.58406° |
| Altitude | 987.36 km |
| Speed | 7.36 km/s |
| Apparent Right ascension | 02h 24m 07s |
| Apparent Declination | 23° 28' 53" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 15:20:52 |
| Azimuth | 14.392° NNE |
| Elevation | -25.235° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 974.701 km |
| Perigee altitude | 952.096 km |
| Semi-major axis | 7,341.536 km |
| Eccentricity | 0.0015395 |
| Inclination | 81.0006° |
| RAAN | 213.9282° |
| Arg. of periapsis | 249.0246° |
| True anomaly | 111.09066° |
| Mean anomaly | 110.926° |
| Eccentric anomaly | 111.00834° |
| Mean motion | 3.45035 °/min |
| BSTAR | 0.00010343 |
| Orbital period | 104.34 mins |
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Other satellites on launch #50 in the year 2023 (2023-04-02 UTC)
| CHECKMATE 8, 56162 |
| CHECKMATE 5, 56163 |
| CHECKMATE 4, 56164 |
| CHECKMATE 6, 56165 |
| CHECKMATE 7, 56166 |
| CHECKMATE 2, 56167 |
| CHECKMATE 1, 56168 |
| CHECKMATE 3, 56169 |
| BB 2, 56170 |
| BB 1, 56171 |
BB 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-01-15 23:27:09.072Z | 27.163° NE | 2025-01-15 23:31:09.072Z | 70.356° E | 17.746° | 2025-01-15 23:34:09.072Z | 102.547° ESE |
| 10 mins | 2025-01-16 01:12:09.072Z | 341.589° N | 2025-01-16 01:17:09.072Z | 244.256° WSW | 41.914° | 2025-01-16 01:22:09.072Z | 185.307° SSW |
| 9 mins | 2025-01-16 12:55:09.072Z | 138.918° SSE | 2025-01-16 12:59:09.072Z | 83.456° E | 27.493° | 2025-01-16 13:04:09.072Z | 29.974° NE |
Authenticating...
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