Key statistics
Satellite STEP 2 at a glance.
Uptime
11531
Days in orbit
Revolutions
≈ 14.9
Per day
Orbit
LEO
Low Earth Orbit
Inclination
81.9
Latest
Satellite identification and parameters
Extended collection of information and parameters for STEP 2.
Object identification
Identified? True
Debris? False
Object name: STEP 2
International designator: 1994-029A
Object number (NORAD): 23105
Object ID (CCSDS): 23105
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: LARGE
Orbital parameters
Period: 96.694 minutes
Inclination: 81.9394 deg
SMA: 6978.45 km
Apoapsis: 660.084 km
Periapsis: 540.546 km
RAAN: 4.4758 deg
Eccentricy: 0.00856481
Argument of periapsis: 151.8512 deg
Mean anomaly: 208.7375 deg
Mean motion: 14.89238576 rev/day
Mean motion (dot): 0.00005069 rev/day2
B* drag term: 0.0004975619 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:02 a.m. UTC
TLE line 0: 0 STEP 2
TLE line 1: 1 23105U 94029A 25346.29335574 .00005069 00000-0 49756-3 0 9997
TLE line 2: 2 23105 81.9394 4.4758 0085648 151.8512 208.7375 14.89238576692056
Live tracking on map
Real-time ground track for satellite STEP 2.
In-orbit conjunctions
A list of the most updated potential collisions computed for object STEP 2.
Associated space launch
STEP 2 was lifted into orbit during the mission ‘Pegasus HAPS | Space Test Experiments Platform 2 (STEP-2)’, on board a Pegasus HAPS space rocket.
The launch took place on May 19, 1994, 5:03 p.m. from Edwards Air Force Base.
For more information about the launch, click the button.
Pegasus HAPS | Space Test Experiments Platform 2 (STEP-2)
Agency: N/A
Status: Launch Successful
Launch date: May 19, 1994, 5:03 p.m. UTC
Rocket: Pegasus HAPS
Launch pad: Edwards Air Force Base
Location: Air launch to orbit
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