Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10271
Days in orbit
Revolutions
≈ 14.8
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: 1997-051TY
Object number (NORAD): 35915
Object ID (CCSDS): 35915
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 97.358 minutes
Inclination: 86.3474 deg
SMA: 7010.377 km
Apoapsis: 640.263 km
Periapsis: 624.221 km
RAAN: 3.8656 deg
Eccentricy: 0.00114413
Argument of periapsis: 12.4333 deg
Mean anomaly: 347.7167 deg
Mean motion: 14.79076758 rev/day
Mean motion (dot): 0.0001359 rev/day2
B* drag term: 0.0018298155 1/REarth
Two-line elements (TLE)
Creation date: Oct. 28, 2025, 2:18 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 27, 2025, 9:48 p.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 35915U 97051TY 25300.90844831 .00013590 00000-0 18298-2 0 9990
TLE line 2: 2 35915 86.3474 3.8656 0011441 12.4333 347.7167 14.79076758 74080
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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