Key statistics
Satellite STEP 2 at a glance.
Uptime
11426
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: 96.766 minutes
Inclination: 81.9375 deg
SMA: 6981.944 km
Apoapsis: 664.638 km
Periapsis: 542.98 km
RAAN: 112.0074 deg
Eccentricy: 0.00871229
Argument of periapsis: 138.0539 deg
Mean anomaly: 222.7396 deg
Mean motion: 14.88120849 rev/day
Mean motion (dot): 0.00004251 rev/day2
B* drag term: 0.00042787422 1/REarth
Two-line elements (TLE)
Creation date: Aug. 29, 2025, 2:15 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 28, 2025, 3:08 p.m. UTC
TLE line 0: 0 STEP 2
TLE line 1: 1 23105U 94029A 25240.63056461 .00004251 00000-0 42787-3 0 9992
TLE line 2: 2 23105 81.9375 112.0074 0087123 138.0539 222.7396 14.88120849676332
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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