Spacecraft information: ORBCOMM FM28

Launch Details
Launched 22 September 1998
Flight ended –
Status Non-operational
Launch site Eastern Range Airspace
Owner ORBCOMM
NORAD ID 25482
COSPAR ID 1998-053H
Alternative names SLOT C8
Observing

Current orbital elements

Inclination 45.004°
Eccentricity 0.00033
RA ascending node 14.493 hr
Argument perigee 353.342°
Mean anomaly 6.739°
Orbital period 100.054 min
Epoch of osculation 28 Jun 2026, 18:49

See historical orbital elements »

Derived Quantities

Min Altitude 765.8 km
Mean Altitude 768.2 km
Peak Altitude 770.6 km

Launched alongside

ORBCOMM FM21 ORBCOMM FM22 ORBCOMM FM23 ORBCOMM FM24 ORBCOMM FM25 ORBCOMM FM26 ORBCOMM FM27 PEGASUS R/B(1) PEGASUS R/B(2)

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PDT

Color scheme


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Last updated: 02 Jul 2026, 18:19 UTC
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