CP3, 31129
Orbit data source: Space-Track
CP3, 31129 is a payload satellite owned by Cal Poly (US) in SSO that was launched on Tue, 17 Apr 2007 UTC via a DNEPR launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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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Edit Public Description
Identifier
Orbit
Last TLE update
10 hours ago
Origin
Manufacturer
Cal Poly
Mission
Non-operational Amateur Technology
Bus & Motor
CUBESAT 1U, Unknown motor
Mass
1 kg wet, 1 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Ant, 0.2 m
Radar Cross Section
0.019 m², Small (<0.1 m²)
Expand to show TLE details & history
TLE from 10 hours ago
0 CP3
1 31129U 07012N 25170.14212219 .00001338 00000-0 25017-3 0 9996
2 31129 98.4084 135.7043 0085276 114.2878 246.7260 14.64333249965605Epoch: 2025-06-19T03:24Z
TLE epoch observation values (Epoch: 2025-06-19T03:24:39.357Z)
Latitude
-0.00003°
Longitude
176.92626°
Altitude
706.418 km
Speed
7.49 km/s
True Right ascension
09h 02m 49s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
-62.74572°
Longitude
-166.08345°
Altitude
763.361 km
Speed
7.439 km/s
Apparent Right ascension
11h 09m 42s
Apparent Declination
-52° 25' 49"
Sunlit
Visualization observer readout
Local Sidereal Time
23:48:53
Azimuth
154.989° SSE
Elevation
-75.795°
Doppler factor
1
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Other satellites on launch #12 in the year 2007 (2007-04-17 UTC)
CP3 Visibility forecast
Observer location: undefined°, undefined°
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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-06-19 21:34:20.474Z | 159.696° S | 2025-06-19 21:38:20.474Z | 42.128° NE | 43.985° | 2025-06-19 21:42:20.474Z | 350.158° N |
| 6 mins | 2025-06-20 11:09:20.474Z | 343.818° N | 2025-06-20 11:11:20.474Z | 294.401° NW | 33.087° | 2025-06-20 11:15:20.474Z | 220.023° SW |
Event ID | Pc | Md | Secondary | Secondary name | Country | Click to unsort rows by TCA header |
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