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MONITOR-2 (RS39S) (NORAD 57184)

MONITOR-2 (RS39S) is an amateur radio satellite (NORAD 57184) in a LEO orbit 499 by 514 km above the Earth, circling the planet every 94.7 minutes. Right now it is over latitude -58°, longitude 170.6° at an altitude of 533 km.

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

Where is MONITOR-2 (RS39S) now?

Latitude: -57.968°
Longitude: 170.57°
Altitude: 533.4 km
Speed: 7.592 km/s
Footprint radius: 2522 km

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Frequencies and modes

Link	Uplink	Downlink	Mode
Mode U - FSK9k6	—	435.86 MHz	FSK
Mode U AFSK 1k2	—	435.815 MHz	AFSK
Mode U - DOKA 9k6	—	435.915 MHz	DOKA
Mode U - DOKA 9k6	—	435 MHz	DOKA
Mode U - AFSK 1k2	—	435.65 MHz	AFSK

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

57184NORAD catalog number

2023-091UInternational designator

Amateur radioCategory

LEOOrbit class

94.74 minOrbital period

499 × 514 kmPerigee × apogee altitude

97.49°Inclination

0.001094Eccentricity

15.1993Revolutions per day

2023Launch year

In orbitStatus (SatNOGS)

NoneOperator

Orbital elements epoch: 2026-10-30T12:20:53 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