Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10219
Days in orbit
Revolutions
≈ 15.1
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: 1997-051AC
Object number (NORAD): 33859
Object ID (CCSDS): 33859
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 95.373 minutes
Inclination: 86.2867 deg
SMA: 6914.744 km
Apoapsis: 548.189 km
Periapsis: 525.029 km
RAAN: 46.7447 deg
Eccentricy: 0.00167474
Argument of periapsis: 329.6549 deg
Mean anomaly: 30.3717 deg
Mean motion: 15.09866709 rev/day
Mean motion (dot): 0.00117088 rev/day2
B* drag term: 0.0071069553 1/REarth
Two-line elements (TLE)
Creation date: Sept. 6, 2025, 2:09 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 5, 2025, 10:48 p.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 33859U 97051AC 25248.95052519 .00117088 00000-0 71070-2 0 9999
TLE line 2: 2 33859 86.2867 46.7447 0016747 329.6549 30.3717 15.09866709870740
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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