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Satellite · NORAD 40105 · COSPAR 2014-045A

NAVSTAR 71 (USA 256)

ActivePayloadMEONavigation derived

Altitude now

20,150.3km

SGP4 propagation

Velocity

3.88km/s

Inclination

55.41°

Period

12.0 h

718.0 min

Perigee

20,086km

Apogee

20,279km

orbit agingOrbit updated 3 d ago · element epoch 10 Sept 2026 07:28 UTC (37.6 h old)· Metadata updated 3 d 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 NAVSTAR 71 (USA 256)NAVSTAR 71 (USA 256)
LIVE · SGP4

Loading ground track…

Latitude
40.094° N
Longitude
173.224° E
Altitude
20150.3 km
Velocity
3.880 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 10 Sept 2026 07:28 UTC

Mission

Mission & classification

Mission type derived
Navigation
Object type
Payload
SATCAT ops status
Operational [+]
Radar cross-section
10.8 m²
Constellation membership derived
GPS (NAVSTAR) via name_pattern

CelesTrak groups

Aliases

  • NAVSTAR 71 (USA 256)Celestrak

Ownership

Operator & country

Operator
United States Space Force
SATCAT owner code
US · United States
Country
United States US

Launch

Launch

Launch page →
Launch date
02 Aug 2014
COSPAR launch id
2014-045
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 1

Change log

History

FieldChangeSourceDate
Owner Code∅ → USCelestrak Satcat11 Sept 2026 18:53 UTC
Orbit Class∅ → MEOCelestrak11 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 d ago

  • CelesTrak SATCATcommunity

    Satellite catalog data courtesy of CelesTrak.

    last sync 3 d 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
40105
COSPAR / international designator
2014-045A
SatelliteIndex id
sat_01M28X2SWX4DFCTBNEK87EKH8Y
Canonical slug
navstar-71-usa-256-40105

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