Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10318
Days in orbit
Revolutions
≈ 14.5
Per day
Orbit
LEO
Low Earth Orbit
Inclination
86.3
Latest
Satellite identification and parameters
Extended collection of information and parameters for IRIDIUM 33 DEB.
Object identification
Identified? True
Debris? True
Object name: IRIDIUM 33 DEB
International designator: 1997-051DZ
Object number (NORAD): 34146
Object ID (CCSDS): 34146
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 99.375 minutes
Inclination: 86.284 deg
SMA: 7106.859 km
Apoapsis: 746.881 km
Periapsis: 710.567 km
RAAN: 349.4792 deg
Eccentricy: 0.00255486
Argument of periapsis: 219.0483 deg
Mean anomaly: 293.3614 deg
Mean motion: 14.49059499 rev/day
Mean motion (dot): 0.00005879 rev/day2
B* drag term: 0.0015372698 1/REarth
Two-line elements (TLE)
Creation date: Dec. 14, 2025, 3:07 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 13, 2025, 11:13 a.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 34146U 97051DZ 25347.46772192 .00005879 00000-0 15373-2 0 9999
TLE line 2: 2 34146 86.2840 349.4792 0025549 219.0483 293.3614 14.49059499881175
Live tracking on map
Real-time ground track for satellite IRIDIUM 33 DEB.
Associated space launch
Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.
IRIDIUM 33 DEB was lifted into orbit during the mission ‘Proton-K/17S40 | Iridium 27 to 33’, on board a Proton-K/17S40 space rocket.
The launch took place on Sept. 14, 1997, 1:36 a.m. from 81/23 (81L).
For more information about the launch, click the button.
Proton-K/17S40 | Iridium 27 to 33
Agency: N/A
Status: Launch Successful
Launch date: Sept. 14, 1997, 1:36 a.m. UTC
Rocket: Proton-K/17S40
Launch pad: 81/23 (81L)
Location: Baikonur Cosmodrome, Republic of Kazakhstan
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