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ORBCOMM FM20 — Live Satellite Tracking (NORAD 25416)
Track ORBCOMM FM20 (NORAD catalog number 25416) live on the WatchSat interactive 3D globe above. Its position is propagated in real time from the latest CelesTrak two-line element set using the SGP4/SDP4 orbital model — the same math professional trackers run. It is object D of 1998's 46th orbital launch (COSPAR designation 1998-046D). It went up together with 1 other satellite from that launch still in the active catalog.
Moving at about 7.47 km/s, ORBCOMM FM20 flies in low Earth orbit at an altitude of roughly 770 × 774 km, completing one revolution every 100.1 minutes — about 14.4 trips around Earth per day. The orbit is essentially circular (eccentricity 0.0003). Its 45.0° inclination keeps its ground track over the tropics and lower mid-latitudes. Its orbital plane crosses the equator northbound at right ascension 227.2°. Earth's equatorial bulge drifts that plane westward about 4.74° per day.
Orbital elements
| Orbit regime | low Earth orbit (LEO) |
|---|---|
| Perigee × apogee altitude | ~770 km × 774 km |
| Inclination | 44.99° |
| Orbital period | 100.1 min (14.38 rev/day) |
| Eccentricity | 0.00028 |
| Element set epoch | 2026-09-06 |
| COSPAR designation | 1998-046D |
| NORAD catalog number | 25416 |
This page's orbital elements come from the CelesTrak catalog of 2026-09-08. The live 3D view above fetches its own current CelesTrak data when the page opens, through an edge cache that refreshes roughly every 30 minutes.
About the Other Active Satellites group
ORBCOMM FM20 is one of 4,471 active satellites in WatchSat's general catalog — the broad population of Earth-observation, communications, science, amateur-radio and technology spacecraft outside the giant broadband constellations. Browse all other active satellites live in 3D.
Can you see ORBCOMM FM20 from the ground?
Sometimes. Like most low-Earth-orbit spacecraft, ORBCOMM FM20 is visible only around dawn and dusk, when your sky is dark but the satellite is still sunlit — and whether you can spot it depends on its size and reflectivity. See pass predictions for your location for when it is above your horizon and sunlit.
Related satellites
Nearest catalog neighbors of ORBCOMM FM20 in the Other Active Satellites group — usually craft from the same or adjacent launches:
- ORBCOMM FM19 (NORAD 25415)
- WESTPAC (NORAD 25398)
- TECHSAT 1B (GO-32) (NORAD 25397)
- ORBCOMM FM27 (NORAD 25481)
- SCD 2 (NORAD 25504)
- SWAS (NORAD 25560)
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