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Satellite · NORAD 62987 · COSPAR 2025-031G

STARLINK-11539 [DTC]

ActivePayloadLEOCommunications derived

Altitude now

361.0km

SGP4 propagation

Velocity

7.69km/s

Inclination

43.00°

Period

91.7 min

91.7 min

Perigee

355km

Apogee

357km

orbit freshOrbit updated 12 h ago · element epoch 11 Sept 2026 13:09 UTC (8.5 h old)· Metadata updated 12 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 STARLINK-11539 [DTC]STARLINK-11539 [DTC]
LIVE · SGP4

Loading ground track…

Latitude
21.947° S
Longitude
151.756° W
Altitude
361.0 km
Velocity
7.693 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 13:09 UTC

Mission

Mission & classification

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

CelesTrak groups

Aliases

  • STARLINK-11539 [DTC]Celestrak

Ownership

Operator & country

Operator
SpaceX
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
11 Feb 2025
COSPAR launch id
2025-031
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 20

All objects from launch 2025-031 →

Change log

History

FieldChangeSourceDate
Owner Code∅ → USCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit Class∅ → LEOCelestrak11 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 10 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 12 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
62987
COSPAR / international designator
2025-031G
SatelliteIndex id
sat_01M28X2SYADAGJDBKDXPK12518
Canonical slug
starlink-11539-dtc-62987

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