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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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<iframe src="https://www.satcat.com/sats-embedded/41851?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/41851?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41851, 2016-067D

Orbit

SSO

Country

Related business

United States Air Force (US)

Manufacturer

Cal Poly

Mission

Operational Defense Calibration

Bus & Motor

CUBESAT 2U, Unknown motor

Mass

4 kg wet, 4 kg dry

Launch date (UTC)

2016-11-11 (9 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.1 m

Radar Cross Section

0.035 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 OPTICUBE 04
1 41851U 16067D   26033.49974513  .00003104  00000-0  20069-3 0  9993
2 41851  98.0819 238.6869 0015026 209.2132 150.8256 15.08949018504855

Epoch: 2026-02-02T11:59Z

TLE epoch observation values (Epoch: 2026-02-02T11:59:37.979Z)

Latitude

-0.00003°

Longitude

-73.91549°

Altitude

551.547 km

Speed

7.581 km/s

True Right ascension

15h 54m 44s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

05:05:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

546.811 km

Perigee altitude

526.031 km

Semi-major axis

6,914.558 km

Eccentricity

0.0015

Inclination

98.0819°

RAAN

238.6869°

Arg. of periapsis

209.2132°

True anomaly

150.9094°

Mean anomaly

150.8256°

Eccentric anomaly

150.86751°

Mean motion

3.77482 °/min

Orbital period

95.37 mins

BSTAR

0.00020069

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Other satellites on launch #67 in the year 2016 (2016-11-11 UTC)

PROMETHEUS 2-3, 41855 (Decayed)

RAVAN, 41849

CELTEE 1, 41850

PROMETHEUS 2-1, 41854 (Decayed)

WORLDVIEW 4, 41848 (Decayed)

ATLAS 5 CENTAUR R/B, 41856

AEROCUBE 8C, 41853

AEROCUBE 8D, 41852

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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.

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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	2026-02-03 13:35:14.288Z	166.918° S	2026-02-03 13:38:14.288Z	317.106° NNW	44.954°	2026-02-03 13:41:14.288Z	346.617° N
5 mins	2026-02-04 02:46:14.288Z	354.126° N	2026-02-04 02:48:14.288Z	286.009° WNW	39.394°	2026-02-04 02:51:14.288Z	211.02° SW

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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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Check out OPTICUBE 04, 41851 on other resources

View OPTICUBE 04, 41851 on NASA - NSSDCA Website

View OPTICUBE 04, 41851 on Heavens-Above

View OPTICUBE 04, 41851 on Keep Track

View OPTICUBE 04, 41851 on Celestrak

View OPTICUBE 04, 41851 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

OPTICUBE 04, 41851

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-02-02T11:59:37.979Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #67 in the year 2016 (2016-11-11 UTC)

OPTICUBE 04 Visibility forecast

Co-orbital & Co-planar RSOs

Check out OPTICUBE 04, 41851 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago