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SENTRY, 59140

Orbit data source: Space-Track

SENTRY, 59140 is a payload satellite owned by Quantum Space (US) in SSO that was launched on Mon, 04 Mar 2024 UTC via an FALCON 9 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/59140?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/59140?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

59140, 2024-043AU

Orbit

SSO

Country

Related business

Quantum Space (US)

Manufacturer

Quantum Space

Mission

Operational Commercial Technology

Bus & Motor

CUBESAT 6U, Unknown motor

Mass

~10 kg wet, ~10 kg dry

Launch date (UTC)

2024-03-04 (2 years ago)

Launch vehicle

FALCON 9

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.1 m

Radar Cross Section

0.080 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 19 hours ago

TLE from 19 hours ago

0 SENTRY
1 59140U 24043AU  26016.36540263  .00092386  00000-0  70690-3 0  9999
2 59140  97.5233 165.8112 0003796 340.9137  19.1982 15.71856267104795

Epoch: 2026-01-16T08:46Z

TLE epoch observation values (Epoch: 2026-01-16T08:46:10.787Z)

Latitude

-0.0001°

Longitude

-81.53946°

Altitude

354.335 km

Speed

7.698 km/s

True Right ascension

11h 03m 14s

True Declination

0° 00' 00"

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

04:07:16

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

353.048 km

Perigee altitude

347.94 km

Semi-major axis

6,728.631 km

Eccentricity

0.00038

Inclination

97.5233°

RAAN

165.8112°

Arg. of periapsis

340.9137°

True anomaly

19.21251°

Mean anomaly

19.1982°

Eccentric anomaly

19.20535°

Mean motion

3.93236 °/min

Orbital period

91.55 mins

BSTAR

0.0007069

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Other satellites on launch #43 in the year 2024 (2024-03-04 UTC)

OBJECT AS, 59138 (Decayed)

OBJECT M, 59109 (Decayed)

PE2_FLT1 (TYVAK-0261), 59105

OBJECT AT, 59139 (Decayed)

LEMUR 2 JOHNNYTRUONG, 59146

METHANESAT, 59101

OBJECT S, 59114 (Decayed)

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SENTRY 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.
4 mins	2026-01-17 09:21:28.733Z	125.342° SE	2026-01-17 09:23:28.733Z	72.772° E	22.26°	2026-01-17 09:25:28.733Z	19.608° NNE

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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 SENTRY, 59140 on other resources

View SENTRY, 59140 on NASA - NSSDCA Website

View SENTRY, 59140 on Heavens-Above

View SENTRY, 59140 on Keep Track

View SENTRY, 59140 on Celestrak

View SENTRY, 59140 on Gunter's Space Page

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

SENTRY, 59140

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 19 hours ago

TLE from 19 hours ago

TLE epoch observation values (Epoch: 2026-01-16T08:46:10.787Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 2024 (2024-03-04 UTC)

SENTRY Visibility forecast

Co-orbital & Co-planar RSOs

Check out SENTRY, 59140 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 19 hours ago