Key statistics
Satellite IRIDIUM 33 DEB at a glance.
Uptime
10222
Days in orbit
Revolutions
≈ 14.4
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: 1997-051BG
Object number (NORAD): 33887
Object ID (CCSDS): 33887
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 100.203 minutes
Inclination: 86.3028 deg
SMA: 7146.295 km
Apoapsis: 772.61 km
Periapsis: 763.711 km
RAAN: 44.4289 deg
Eccentricy: 0.00062256
Argument of periapsis: 173.6596 deg
Mean anomaly: 239.6731 deg
Mean motion: 14.37081196 rev/day
Mean motion (dot): 0.00000605 rev/day2
B* drag term: 0.00019725634 1/REarth
Two-line elements (TLE)
Creation date: Sept. 8, 2025, 6:18 p.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 8, 2025, 10:21 a.m. UTC
TLE line 0: 0 IRIDIUM 33 DEB
TLE line 1: 1 33887U 97051BG 25251.43135215 .00000605 00000-0 19726-3 0 9999
TLE line 2: 2 33887 86.3028 44.4289 0006226 173.6596 239.6731 14.37081196867969
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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