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Satellite · NORAD 39741 · COSPAR 2014-026A

NAVSTAR 70 (USA 251)

ActivePayloadMEONavigation derived

Altitude now

20,280.9km

SGP4 propagation

Velocity

3.86km/s

Inclination

56.45°

Period

12.0 h

718.0 min

Perigee

20,079km

Apogee

20,287km

orbit agingOrbit updated 2 d ago · element epoch 10 Sept 2026 05:19 UTC (39.8 h old)· Metadata updated 2 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 70 (USA 251)NAVSTAR 70 (USA 251)
LIVE · SGP4

Loading ground track…

Latitude
48.456° N
Longitude
152.584° E
Altitude
20280.9 km
Velocity
3.861 km/s
  • past 45 min
  • next 90 min
  • first fix from server render · element epoch 10 Sept 2026 05:19 UTC

Mission

Mission & classification

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

CelesTrak groups

Aliases

  • NAVSTAR 70 (USA 251)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
17 May 2014
COSPAR launch id
2014-026
Launch site
Cape Canaveral / Kennedy Space Center (Eastern Range), Florida

Objects from the same launch · 15

All objects from launch 2014-026 →

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 2 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
39741
COSPAR / international designator
2014-026A
SatelliteIndex id
sat_01M28X2SWWDCTX9MYDGY0F69XG
Canonical slug
navstar-70-usa-251-39741

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.