ORBCOMM FM21

Launch Details
Launched 22 September 1998
Flight ended
Status Non-operational
Category Orbcomm
Launch site Eastern Range Airspace
Owner ORBCOMM
NORAD ID 25475
COSPAR ID 1998-053A
Alternative names SLOT C1
Observing

Current orbital elements

Inclination 45.008°
Eccentricity 0.00028
RA ascending node 8.188 hr
Argument perigee 353.472°
Mean anomaly 6.609°
Orbital period 100.181 min
Epoch of osculation 18 Jul 2025, 03:47

See historical orbital elements »

Derived Quantities

Min Altitude 772.2 km
Mean Altitude 774.3 km
Peak Altitude 776.3 km

Orbital History

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Cambridge

Latitude:
Longitude:
Timezone:

42.38°N
71.11°W
EDT

Color scheme