OPTICUBE 04, 41851
Orbit data source: Space-Track
OPTICUBE 04, 41851 is an American payload satellite in SSO that was launched on Fri, 11 Nov 2016 UTC via an ATLAS V 401 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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41851 intel report (Beta)
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Identifier
Orbit
Country
USRelated business
Manufacturer
Cal Poly
Mission
Operational Defense Calibration
Bus & Motor
CUBESAT 2U, Unknown motor
Mass
4 kg wet, 4 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.1 m
Radar Cross Section
0.035 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 2 days ago
TLE from 2 days ago
0 OPTICUBE 04
1 41851U 16067D 26171.32696426 .00001872 00000-0 12036-3 0 9997
2 41851 98.0696 23.7745 0016961 105.8379 254.4720 15.09671004525642Epoch: 2026-06-20T07:50Z
TLE epoch observation values (Epoch: 2026-06-20T07:50:49.712Z)
Latitude
0.00002°
Longitude
-2.47582°
Altitude
543.42 km
Speed
7.589 km/s
True Right ascension
01h 35m 05s
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
21:43:03
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
545.938 km
Perigee altitude
522.49 km
Semi-major axis
6,912.351 km
Eccentricity
0.0017
Inclination
98.0696°
RAAN
23.7745°
Arg. of periapsis
105.8379°
True anomaly
254.28484°
Mean anomaly
254.472°
Eccentric anomaly
254.37841°
Mean motion
3.77663 °/min
Orbital period
95.32 mins
BSTAR
0.00012036
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Other satellites on launch #67 in the year 2016 (2016-11-11 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.OPTICUBE 04 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 | 2026-06-22 14:02:59.984Z | 158.759° S | 2026-06-22 14:06:59.984Z | 38.611° NE | 42.512° | 2026-06-22 14:09:59.984Z | 352.715° N |
| 6 mins | 2026-06-23 03:13:59.984Z | 5.635° NNE | 2026-06-23 03:15:59.984Z | 324.681° NNW | 42.94° | 2026-06-23 03:19:59.984Z | 200.188° SSW |
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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