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SatelliteIndex

Satellite · NORAD 49738 · COSPAR 2021-115Q

STARLINK-3143

ActivePayloadLEOCommunications derived

Altitude now

544.9km

SGP4 propagation

Velocity

7.59km/s

Inclination

53.22°

Period

95.1 min

95.1 min

Perigee

524km

Apogee

526km

orbit agingOrbit updated 9 h ago · element epoch 10 Sept 2026 15:53 UTC (29.7 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 STARLINK-3143STARLINK-3143
LIVE · SGP4

Loading ground track…

Latitude
53.345° S
Longitude
16.336° W
Altitude
544.9 km
Velocity
7.589 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 10 Sept 2026 15:53 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-3143Celestrak

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
02 Dec 2021
COSPAR launch id
2021-115
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 40+

All objects from launch 2021-115 →

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 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
49738
COSPAR / international designator
2021-115Q
SatelliteIndex id
sat_01M28X2SX7AZFC54PF92GAHP3X
Canonical slug
starlink-3143-49738

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.