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, 0.2 m
Radar Cross Section
0.035 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 18 hours ago
TLE from 18 hours ago
0 OPTICUBE 04
1 41851U 16067D 26295.05534760 .00001699 00000-0 10837-3 0 9990
2 41851 98.0514 153.8934 0016591 51.3885 308.8825 15.10095487544314Epoch: 2026-10-22T01:19Z
TLE epoch observation values (Epoch: 2026-10-22T01:19:42.032Z)
Latitude
-0.00008°
Longitude
103.47254°
Altitude
531.776 km
Speed
7.601 km/s
True Right ascension
10h 15m 34s
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
14:21:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
544.382 km
Perigee altitude
521.45 km
Semi-major axis
6,911.053 km
Eccentricity
0.00166
Inclination
98.0514°
RAAN
153.8934°
Arg. of periapsis
51.3885°
True anomaly
308.73431°
Mean anomaly
308.8825°
Eccentric anomaly
308.80843°
Mean motion
3.77769 °/min
Orbital period
95.3 mins
BSTAR
0.00010837
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-10-23 03:20:26.779Z | 26.231° NE | 2026-10-23 03:23:26.779Z | 98.763° ESE | 52.234° | 2026-10-23 03:26:26.779Z | 174.438° S |
| 5 mins | 2026-10-23 14:03:26.779Z | 115.564° SE | 2026-10-23 14:05:26.779Z | 72.23° E | 26.396° | 2026-10-23 14:08:26.779Z | 14.82° NNE |
| 4 mins | 2026-10-23 15:38:26.779Z | 235.478° WSW | 2026-10-23 15:39:26.779Z | 254.859° W | 19.061° | 2026-10-23 15:42:26.779Z | 309.641° NW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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