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Satellite · NORAD 40549 · COSPAR 2015-019A

BEIDOU-3S IGSO-1S

InactivePayloadGEONavigation derived

Altitude now

35,802.7km

SGP4 propagation

Velocity

3.07km/s

Inclination

49.03°

Period

23.9 h

1,435.9 min

Perigee

35,619km

Apogee

35,945km

orbit agingOrbit updated 8 h ago · element epoch 10 Sept 2026 17:01 UTC (27.9 h old)· Metadata updated 8 h ago

Live position

Ground track & current position

Propagated client-side every 5 s from the latest element set (SGP4). Accuracy degrades with element age.

Ground track of BEIDOU-3S IGSO-1SBEIDOU-3S IGSO-1S
LIVE · SGP4

Loading ground track…

Latitude
46.807° N
Longitude
102.542° E
Altitude
35802.7 km
Velocity
3.074 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 10 Sept 2026 17:01 UTC

Mission

Mission & classification

Mission type derived
Navigation
Object type
Payload
SATCAT ops status
Spare [S]
Radar cross-section
11.8 m²
Constellation membership derived
BeiDou via name_pattern

CelesTrak groups

Aliases

  • BEIDOU-3S IGSO-1SCelestrak

Ownership

Operator & country

Operator
China Satellite Navigation Office
SATCAT owner code
PRC · People's Republic of China
Country
China CN

Launch

Launch

Launch page →
Launch date
30 Mar 2015
COSPAR launch id
2015-019
Launch site
Xichang Satellite Launch Center

Objects from the same launch · 2

Change log

History

FieldChangeSourceDate
StatusACTIVE → INACTIVECelestrak Satcat11 Sept 2026 18:53 UTC
Owner Code∅ → PRCCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit Class∅ → GEOCelestrak11 Sept 2026 18:53 UTC

Regulatory

UN registration

UN Register of Objects Launched into Outer Space (UNOOSA) — connector planned, not yet ingested; registration unavailable

Transparency

Sources & provenance

All sources →

  • CelesTrakcommunity

    Orbital data courtesy of CelesTrak (Dr. T.S. Kelso).

    last sync 8 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 8 h ago

Field provenance

FieldSourceObservedConfidence
Canonical NameCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Decay DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Launch DateCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Object TypeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
Orbital ElementsCelesTrak11 Sept 2026 18:53 UTC100%
Owner CodeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
StatusCelesTrak SATCAT11 Sept 2026 18:53 UTC100%

Timeline

Events

All events →

  1. 11 Sept 2026 18:53 UTC

    DecommissionBEIDOU-3S IGSO-1S reported inactive

    SATCAT status changed ? → S.

    confidence 80%

Reference

Identifiers

NORAD catalogue number
40549
COSPAR / international designator
2015-019A
SatelliteIndex id
sat_01M28X2SWX4DFCTBNEK87EKHAS
Canonical slug
beidou-3s-igso-1s-40549

Orbit class, mission type and constellation membership are derived by SatelliteIndex (Navigation) — see the methodology. Positions are propagated estimates, not tracking measurements; never use them for conjunction assessment.