Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10214
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
LEO
Low Earth Orbit
Inclination
86.4
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: 1997-051BA
Object number (NORAD): 33881
Object ID (CCSDS): 33881
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 98.962 minutes
Inclination: 86.3931 deg
SMA: 7087.176 km
Apoapsis: 748.827 km
Periapsis: 669.254 km
RAAN: 151.3862 deg
Eccentricy: 0.00561388
Argument of periapsis: 154.9548 deg
Mean anomaly: 263.3761 deg
Mean motion: 14.55100383 rev/day
Mean motion (dot): 0.00009263 rev/day2
B* drag term: 0.0020962034 1/REarth
Two-line elements (TLE)
Creation date: Sept. 1, 2025, 2:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 31, 2025, 5:49 p.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 33881U 97051BA 25243.74287881 .00009263 00000-0 20962-2 0 9997
TLE line 2: 2 33881 86.3931 151.3862 0056139 154.9548 263.3761 14.55100383860025
Live tracking on map
Real-time ground track for satellite IRIDIUM 33 DEB.
In-orbit conjunctions
A list of the most updated potential collisions computed for object 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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