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SatelliteIndex

Satellite · NORAD 58145 · COSPAR 2023-163E

YAOGAN-39 04C

ActivePayloadLEOMilitary derived

Altitude now

517.2km

SGP4 propagation

Velocity

7.61km/s

Inclination

34.99°

Period

94.9 min

94.9 min

Perigee

515km

Apogee

518km

orbit freshOrbit updated 9 h ago · element epoch 11 Sept 2026 12:55 UTC (10.0 h old)· Metadata updated 9 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 YAOGAN-39 04CYAOGAN-39 04C
LIVE · SGP4

Loading ground track…

Latitude
32.183° N
Longitude
29.841° W
Altitude
517.2 km
Velocity
7.610 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 12:55 UTC

Mission

Mission & classification

Mission type derived
Military
Object type
Payload
SATCAT ops status
Operational [+]
Radar cross-section
Constellation membership derived
Yaogan via name_pattern

CelesTrak groups

Aliases

  • YAOGAN-39 04CCelestrak

Ownership

Operator & country

SATCAT owner code
PRC · People's Republic of China
Country
China CN

Launch

Launch

Launch page
Launch date
23 Oct 2023
COSPAR launch id
2023-163

Objects from the same launch · 4

Change log

History

FieldChangeSourceDate
Owner CodePRCCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit ClassLEOCelestrak11 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 7 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 9 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 20:57 UTC100%
Owner CodeCelesTrak SATCAT11 Sept 2026 18:53 UTC100%
StatusCelesTrak SATCAT11 Sept 2026 18:53 UTC100%

Timeline

Events

All 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
58145
COSPAR / international designator
2023-163E
SatelliteIndex id
sat_01M28X2SXS0HRCG2KPBMF6DG5P
Canonical slug
yaogan-39-04c-58145

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