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SatelliteIndex

Satellite · NORAD 49455 · COSPAR 2021-104AZ

STARLINK-3145

ActivePayloadLEOCommunications derived

Altitude now

468.3km

SGP4 propagation

Velocity

7.64km/s

Inclination

53.16°

Period

93.8 min

93.8 min

Perigee

462km

Apogee

464km

orbit agingOrbit updated 4 h ago · element epoch 11 Sept 2026 19:37 UTC (12.9 h old)· Metadata updated 4 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-3145STARLINK-3145
LIVE · SGP4

Loading ground track…

Latitude
52.185° N
Longitude
44.669° E
Altitude
468.3 km
Velocity
7.639 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 19:37 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-3145Celestrak

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
13 Nov 2021
COSPAR launch id
2021-104
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 40+

All objects from launch 2021-104 →

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 2 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 14 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 ElementsCelesTrak12 Sept 2026 07:07 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
49455
COSPAR / international designator
2021-104AZ
SatelliteIndex id
sat_01M28X2SX7AZFC54PF92GAHP36
Canonical slug
starlink-3145-49455

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.