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DMSP 5D-3 F16 (USA 172) (NORAD 28054)

DMSP 5D-3 F16 (USA 172) is a weather satellite (NORAD 28054) in a LEO orbit 838 by 850 km above the Earth, circling the planet every 101.8 minutes. Right now it is over latitude -41.9°, longitude -21.9° at an altitude of 866 km.

Live position and ground track (past 45 min, next 100 min)

Where is DMSP 5D-3 F16 (USA 172) now?

Latitude: -41.887°
Longitude: -21.903°
Altitude: 865.5 km
Speed: 7.416 km/s
Footprint radius: 3150 km

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Frequencies and modes

Link	Uplink	Downlink	Mode
S-band telemetry	—	2207.51 MHz	BPSK
S-band telemetry	—	2212.834 MHz	FM

Frequencies are the nominal values from the SatNOGS database and can change. While the satellite is above your horizon the table shows the Doppler-corrected frequencies. For how to use them, read working amateur radio satellites.

Orbit and identity

28054NORAD catalog number

2003-048AInternational designator

WeatherCategory

LEOOrbit class

101.8 minOrbital period

838 × 850 kmPerigee × apogee altitude

98.98°Inclination

0.000797Eccentricity

14.145Revolutions per day

2003Launch year

In orbitStatus (SatNOGS)

NoneOperator

Orbital elements epoch: 2026-10-30T11:59:54 UTC (9 hours 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