Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10159
Days in orbit
Revolutions
≈ 14.7
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: 1997-051ST
Object number (NORAD): 35809
Object ID (CCSDS): 35809
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 97.845 minutes
Inclination: 86.3273 deg
SMA: 7033.728 km
Apoapsis: 667.078 km
Periapsis: 644.108 km
RAAN: 49.4246 deg
Eccentricy: 0.0016328
Argument of periapsis: 92.4334 deg
Mean anomaly: 267.8752 deg
Mean motion: 14.71717378 rev/day
Mean motion (dot): 0.00005137 rev/day2
B* drag term: 0.00081858 1/REarth
Two-line elements (TLE)
Creation date: July 4, 2025, 2:46 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: July 2, 2025, 9:24 a.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 35809U 97051ST 25183.39216731 .00005137 00000-0 81858-3 0 9997
TLE line 2: 2 35809 86.3273 49.4246 0016328 92.4334 267.8752 14.71717378844683
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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