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TDRS 5 (NORAD 21639)

TDRS 5 is a communications satellite (NORAD 21639) in a GEO orbit 35738 by 35831 km above the Earth, circling the planet every 1436 minutes. Right now it is over latitude -4.2°, longitude -167.9° at an altitude of 35762 km.

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Where is TDRS 5 now?

Latitude: -4.185°
Longitude: -167.947°
Altitude: 35762.3 km
Speed: 3.076 km/s
Footprint radius: 9050 km

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Orbit and identity

21639NORAD catalog number

1991-054BInternational designator

CommunicationsCategory

GEOOrbit class

1435.98 minOrbital period

35738 × 35831 kmPerigee × apogee altitude

14.06°Inclination

0.001107Eccentricity

1.0028Revolutions per day

1991Launch year

Orbital elements epoch: 2026-10-29T19:14:57 UTC (1.1 days ago). Positions drift from reality as the elements age; fresh elements are fetched automatically.

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Positions are computed from public orbital elements (CelesTrak / US Space Force 18th SDS) with the SGP4 model and are accurate to a few kilometres; amateur radio data from the SatNOGS DB (CC BY-SA). Not for navigation or safety-critical use. Method and limits · Radio coverage map · Live HF propagation data