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SatelliteIndex

Satellite · NORAD 47555 · COSPAR 2021-009H

STARLINK-1954

ActivePayloadLEOCommunications derived

Altitude now

436.0km

SGP4 propagation

Velocity

7.65km/s

Inclination

53.05°

Period

92.9 min

92.9 min

Perigee

415km

Apogee

421km

orbit agingOrbit updated 19 h ago · element epoch 11 Sept 2026 06:21 UTC (13.6 h old)· Metadata updated 19 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-1954STARLINK-1954
LIVE · SGP4

Loading ground track…

Latitude
47.355° S
Longitude
135.384° W
Altitude
436.0 km
Velocity
7.649 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 11 Sept 2026 06:21 UTC

Mission

Mission & classification

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

CelesTrak groups

Aliases

  • STARLINK-1954Celestrak

Ownership

Operator & country

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

Launch

Launch

Launch page →
Launch date
04 Feb 2021
COSPAR launch id
2021-009
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 40+

All objects from launch 2021-009 →

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 19 h ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 19 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 →

No events detected for this object yet. Launches, decays and orbit changes are generated by the derived-analytics connector.

Reference

Identifiers

NORAD catalogue number
47555
COSPAR / international designator
2021-009H
SatelliteIndex id
sat_01M28X2SX3DZ28FSVTBZFJHN4Y
Canonical slug
starlink-1954-47555

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.