Key statistics
Satellite STEP 2 at a glance.
Uptime
11473
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: 96.735 minutes
Inclination: 81.9383 deg
SMA: 6980.461 km
Apoapsis: 661.868 km
Periapsis: 542.784 km
RAAN: 63.1726 deg
Eccentricy: 0.0085298
Argument of periapsis: 342.3314 deg
Mean anomaly: 17.4938 deg
Mean motion: 14.88595211 rev/day
Mean motion (dot): 0.00004277 rev/day2
B* drag term: 0.00042686 1/REarth
Two-line elements (TLE)
Creation date: Oct. 16, 2025, 12:06 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 15, 2025, 3:10 p.m. UTC
TLE line 0: 0 STEP 2
TLE line 1: 1 23105U 94029A 25288.63232428 .00004277 00000-0 42686-3 0 9999
TLE line 2: 2 23105 81.9383 63.1726 0085298 342.3314 17.4938 14.88595211683476
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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