Satellite · NORAD 40927 · COSPAR 2015-051C
TIANWANG 1B (TW-1B)
- Operator People's Republic of China
- Constellation —
- Country China
Altitude now
—
object decayed
Velocity
—
Inclination
97.01°
Period
87.6 min
87.6 min
Perigee
151km
Apogee
165km
orbit unavailableNo orbital element set on file — decayed 31 Mar 2021.· Metadata updated 13 h ago
Live position
Live position
Live position unavailable — this object re-entered the atmosphere on 31 Mar 2021 and is no longer tracked.
Mission
Mission & classification
- Mission type derived
- Unknown
- Object type
- Payload
- SATCAT ops status
- Decayed [D]
- Radar cross-section
- 0.1 m²
CelesTrak groups
Not listed in any CelesTrak group.
Aliases
- TIANWANG 1B (TW-1B)Celestrak Satcat
Ownership
Operator & country
- Operator
- —
- SATCAT owner code
- PRC · People's Republic of China
- Country
- China CN
Launch
Launch
- Launch date
- 25 Sept 2015
- COSPAR launch id
- 2015-051
- Launch site
- Jiuquan Satellite Launch Center
Objects from the same launch · 4
- PUJIANG 1 (PJ-1)40925PayloadDecayed
- TIANWANG 1C (TW-1C)40926PayloadDecayed
- TIANWANG 1A (TW-1A)40928PayloadDecayed
- CZ-11 R/B40929Rocket bodyDecayed
Change log
History
No changes recorded since first ingestion on 11 Sept 2026 18:54 UTC. Status, orbit class, name and ownership changes are logged here as sources are re-ingested.
Regulatory
UN registration
Transparency
Sources & provenance
No source is linked to this record yet — the catalogue row exists but no provenance entry has been written for it.
Field provenance
No field-level provenance recorded.
Timeline
Events
No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.
Reference
Identifiers
- NORAD catalogue number
- 40927
- COSPAR / international designator
- 2015-051C
- SatelliteIndex id
- sat_01M28X3JTN11DX2DFQVEERGAG6
- Canonical slug
- tianwang-1b-tw-1b-40927
Orbit class, mission type and constellation membership are derived by SatelliteIndex (Unknown) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.