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ORS 5 SENSORSAT, 42921

Orbit data source: Space-Track

ORS 5 SENSORSAT, 42921 is a payload satellite owned by DoD ORS (US) in LEO that was launched on Sat, 26 Aug 2017 UTC via an MINOTAUR IV launch vehicle from the Air Force Eastern Test Range (AFETR). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/42921?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/42921?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

42921, 2017-050A

Orbit

LEO

Country

Related business

United States Space Force (US)

Manufacturer

MIT-LL

Mission

Operational Defense Early Warn

Bus & Motor

ORS-5, Unknown motor

Mass

~110 kg wet, ~110 kg dry

Launch date (UTC)

2017-08-26 (8 years ago)

Launch vehicle

MINOTAUR IV

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.8 m

Radar Cross Section

1.080 m², Medium (>0.1 m² and < 1m²)

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Last TLE update: 1 day ago

TLE from 1 day ago

0 ORS 5 SENSORSAT
1 42921U 17050A   25259.95630585  .00003066  00000-0  17792-3 0  9999
2 42921   0.0498  20.0931 0010698 312.0730  27.7768 14.99400041439999

Epoch: 2025-09-16T22:57Z

TLE epoch observation values (Epoch: 2025-09-16T22:57:04.825Z)

Latitude

-0.0172°

Longitude

19.5907°

Altitude

559.026 km

Speed

7.589 km/s

True Right ascension

23h 59m 59s

True Declination

0° 01' 02"

Sunlit

Object was in full shadow 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

22:29:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

582.536 km

Perigee altitude

567.659 km

Semi-major axis

6,953.234 km

Eccentricity

0.00107

Inclination

0.0498°

RAAN

20.0931°

Arg. of periapsis

312.073°

True anomaly

27.834°

Mean anomaly

27.7768°

Eccentric anomaly

27.80539°

Mean motion

3.74337 °/min

Orbital period

96.17 mins

BSTAR

0.00017792

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Other satellites on launch #50 in the year 2017 (2017-08-26 UTC)

MINOTAUR DEB, 42922 (Decayed)

MINOTAUR DEB, 42923 (Decayed)

MINOTAUR DEB, 42924 (Decayed)

MINOTAUR R/B, 42925

MINOTAUR DEB, 42926 (Decayed)

MINOTAUR R/B, 42927 (Decayed)

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ORS 5 SENSORSAT Visibility

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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.
ORS 5 SENSORSAT is likely not visible in the next few days.

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 ORS 5 SENSORSAT, 42921 on other resources

View ORS 5 SENSORSAT, 42921 on NASA - NSSDCA Website

View ORS 5 SENSORSAT, 42921 on Heavens-Above

View ORS 5 SENSORSAT, 42921 on Keep Track

View ORS 5 SENSORSAT, 42921 on Celestrak

View ORS 5 SENSORSAT, 42921 on Gunter's Space Page

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

ORS 5 SENSORSAT, 42921

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2025-09-16T22:57:04.825Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #50 in the year 2017 (2017-08-26 UTC)

ORS 5 SENSORSAT Visibility

Co-orbital & Co-planar RSOs

Check out ORS 5 SENSORSAT, 42921 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago