STEP 2, 23105
Orbit data source: Space-Track
STEP 2, 23105 is a payload satellite owned by USAF STP (US) in LEO that was launched on Thu, 19 May 1994 UTC via a PEGASUS/HAPS launch vehicle from the Air Force Western Test Range (AFWTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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23105 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
TRWC/CTA
Mission
Defense Technology
Bus & Motor
LEOSTAR T-200, Unknown motor
Mass
180 kg wet, 180 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 4 Pan, 1.5 m
Radar Cross Section
3.076 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 STEP 2
1 23105U 94029A 26295.82124620 .00003553 00000-0 33283-3 0 9992
2 23105 81.9401 43.4962 0081162 198.7563 161.0662 14.91278865738901Epoch: 2026-10-22T19:42Z
TLE epoch observation values (Epoch: 2026-10-22T19:42:35.671Z)
Latitude
0.00002°
Longitude
76.59693°
Altitude
650.563 km
Speed
7.503 km/s
True Right ascension
02h 53m 59s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
08:23:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
647.542 km
Perigee altitude
534.417 km
Semi-major axis
6,969.117 km
Eccentricity
0.00812
Inclination
81.9401°
RAAN
43.4962°
Arg. of periapsis
198.7563°
True anomaly
161.36511°
Mean anomaly
161.0662°
Eccentric anomaly
161.21594°
Mean motion
3.73058 °/min
Orbital period
96.5 mins
BSTAR
0.00033283
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Other satellites on launch #29 in the year 1994 (1994-05-19 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.STEP 2 Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-10-23 18:49:42.493Z | 7.423° NNE | 2026-10-23 18:52:42.493Z | 71.788° E | 47.792° | 2026-10-23 18:56:42.493Z | 153.882° SSE |
| 6 mins | 2026-10-24 07:16:42.493Z | 134.929° SE | 2026-10-24 07:18:42.493Z | 98.582° ESE | 27.906° | 2026-10-24 07:22:42.493Z | 33.244° NE |
| 6 mins | 2026-10-24 08:53:42.493Z | 240.273° WSW | 2026-10-24 08:56:42.493Z | 292.724° NW | 24.63° | 2026-10-24 08:59:42.493Z | 338.213° N |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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