BD-18, 40748
Orbit data source: Space-Track
BD-18, 40748 is a payload satellite owned by CNSA (CN) in MEO that was launched on Sat, 25 Jul 2015 UTC via a CHANG ZHENG 3B/YZ-1 launch vehicle from the Xichang Space Center, China (XSC). 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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40748 intel report (Beta)
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Edit Public Description
| Identifier | |
| Orbit | MEO |
| Last TLE update | 2 days ago |
| Origin | |
| Manufacturer | CAST |
| Mission | Awaiting activation Defense Navigation |
| Bus & Motor | BD-3M, Unknown motor |
| Mass | 1,014 kg wet, ~850 kg dry |
| Launch date (UTC) | |
| Launch vehicle | |
| Launch site | |
| Object type | Payload Rocket body Debris |
| Shape & HBR | Box + 2 Pan, 18 m |
| Radar Cross Section | 12.638 m², Large (>1 m²) |
Expand to show TLE details & history
TLE from 2 days ago
0 BD-18
1 40748U 15037A 25081.20680489 -.00000042 00000-0 00000-0 0 9999
2 40748 55.2618 317.5587 0008705 270.1144 89.8366 1.86229137 65704Epoch: 2025-03-22T04:57Z
Definitive object data (Epoch: 2025-03-22T04:57:47.942Z)
| Latitude | -0.00001° |
| Longitude | 63.17058° |
| Altitude | 21,528.502 km |
| Speed | 3.779 km/s |
| True Right ascension | 21h 10m 18s |
| True Declination | 0° 00' 00" |
| Sunlit | Object was in daylight at TLE epoch |
Visualization TLE readout
| Latitude | -39.82141° |
| Longitude | 27.85275° |
| Altitude | 21,522.822 km |
| Speed | 3.781 km/s |
| Apparent Right ascension | 17h 58m 21s |
| Apparent Declination | -48° 17' 03" |
| Sunlit | Object is in daylight |
Visualization observer readout
| Local Sidereal Time | 22:53:05 |
| Azimuth | 222.685° SW |
| Elevation | -19.61° |
| Doppler factor | 1 |
Orbital elements
| Apogee altitude | 21,552.527 km |
| Perigee altitude | 21,503.942 km |
| Semi-major axis | 27,906.371 km |
| Eccentricity | 0.0008705 |
| Inclination | 55.2618° |
| RAAN | 317.5587° |
| Arg. of periapsis | 270.1144° |
| True anomaly | 89.93635° |
| Mean anomaly | 89.8366° |
| Eccentric anomaly | 89.88648° |
| Mean motion | 0.46557 °/min |
| BSTAR | Unknown |
| Orbital period | 773.24 mins |
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Other satellites on launch #37 in the year 2015 (2015-07-25 UTC)
| BD-19, 40749 |
| CZ-3B R/B, 40750 |
| YZ-1 R/B, 40751 |
BD-18 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. |
|---|---|---|---|---|---|---|---|
| 454 mins | 2025-03-23 19:23:41.958Z | 240.639° WSW | 2025-03-23 23:35:41.958Z | 32.643° NE | 43.803° | 2025-03-24 02:57:41.958Z | 148.108° SSE |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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