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RTU MIREA 1 (RS51S) (NORAD 61785)

RTU MIREA 1 (RS51S) is an amateur radio satellite (NORAD 61785) in a LEO orbit 308 by 318 km above the Earth, circling the planet every 90.8 minutes. Right now it is over latitude -67.9°, longitude -10° at an altitude of 342 km.

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

Where is RTU MIREA 1 (RS51S) now?

Latitude: -67.928°
Longitude: -10.046°
Altitude: 342.3 km
Speed: 7.699 km/s
Footprint radius: 2044 km

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Frequencies and modes

Link	Uplink	Downlink	Mode
Mode U - CW Beacon	—	436.2 MHz	CW
Mode X - DVB-S2	—	10473 MHz	QPSK
Mode U - GFSK9k6 - AX.25 Beacon and Telemetry (Geoscan framing)	—	436.2 MHz	GFSK

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

61785NORAD catalog number

2024-199BCInternational designator

Amateur radioCategory

LEOOrbit class

90.78 minOrbital period

308 × 318 kmPerigee × apogee altitude

97.26°Inclination

0.000812Eccentricity

15.862Revolutions per day

2024Launch year

In orbitStatus (SatNOGS)

NoneOperator

Orbital elements epoch: 2026-10-30T12:38:37 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