Spacecraft information: IRIDIUM 51

Launch Details
Launched 24 March 1998
Flight ended –
Status Non-operational
Category Iridium
Launch site Taiyuan Space Center, PRC
Owner United States
NORAD ID 25262
COSPAR ID 1998-018A
Observing

Current orbital elements

Inclination 86.373°
Eccentricity 0.00469
RA ascending node 20.973 hr
Argument perigee 176.793°
Mean anomaly 183.365°
Orbital period 91.864 min
Epoch of osculation 04 Jan 2026, 08:27

See historical orbital elements »

Derived Quantities

Min Altitude 341.5 km
Mean Altitude 373.1 km
Peak Altitude 404.7 km

Launched alongside

IRIDIUM 61 CZ-2C R/B CZ-2C DEB CZ-2C DEB CZ-2C DEB CZ-2C DEB CZ-2C DEB

Orbital History

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South El Monte

Latitude:
Longitude:
Timezone:

34.05°N
118.05°W
PST

Color scheme


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Last updated: 04 Jan 2026, 19:15 UTC
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