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NAVSTAR 78 (USA 293), 44506

Orbit data source: Space-Track

NAVSTAR 78 (USA 293), 44506 is a payload satellite owned by USAF SMC (US) in MEO that was launched on Thu, 22 Aug 2019 UTC via a DELTA 4M+(4,2) 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.

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<iframe src="https://www.satcat.com/sats-embedded/44506?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/44506?theme=dark&initialShowStats=false

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Identifier

44506, 2019-056A

Orbit

MEO

Country

Related business

United States Space Force (US)

Manufacturer

LMSS Denver

Mission

Operational Defense Navigation

Bus & Motor

A2100, LEROS-1C?

Mass

4,400 kg wet, ~2,160 kg dry

Launch date (UTC)

2019-08-22 (7 years ago)

Launch vehicle

DELTA 4M+(4,2)

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 7.0 m

Radar Cross Section

13.646 m², Large (>1 m²)

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Last TLE update: 3 days ago

TLE from 3 days ago

0 NAVSTAR 78 (USA 293)
1 44506U 19056A   26170.88008800 -.00000092  00000-0  00000-0 0  9990
2 44506  55.6357 331.0347 0062145 197.6254 334.2547  2.00569711 50122

Epoch: 2026-06-19T21:07Z

TLE epoch observation values (Epoch: 2026-06-19T21:07:19.603Z)

Latitude

6.91282°

Longitude

-78.66256°

Altitude

20,033.09 km

Speed

3.896 km/s

True Right ascension

09h 45m 05s

True Declination

6° 54' 06"

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

21:29:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

20,346.707 km

Perigee altitude

20,016.596 km

Semi-major axis

26,559.788 km

Eccentricity

0.00621

Inclination

55.6357°

RAAN

331.0347°

Arg. of periapsis

197.6254°

True anomaly

333.94319°

Mean anomaly

334.2547°

Eccentric anomaly

334.09917°

Mean motion

0.50143 °/min

Orbital period

717.95 mins

BSTAR

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Other satellites on launch #56 in the year 2019 (2019-08-22 UTC)

No other RSOs were in this launch

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NAVSTAR 78 (USA 293) 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.
397 mins	2026-06-22 15:22:17.082Z	254.91° W	2026-06-22 19:06:17.082Z	40.755° NE	44.151°	2026-06-22 21:59:17.082Z	149.567° SSE

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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 NAVSTAR 78 (USA 293), 44506 on other resources

View NAVSTAR 78 (USA 293), 44506 on NASA - NSSDCA Website

View NAVSTAR 78 (USA 293), 44506 on Heavens-Above

View NAVSTAR 78 (USA 293), 44506 on Keep Track

View NAVSTAR 78 (USA 293), 44506 on Celestrak

View NAVSTAR 78 (USA 293), 44506 on Gunter's Space Page

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

NAVSTAR 78 (USA 293), 44506

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 3 days ago

TLE from 3 days ago

TLE epoch observation values (Epoch: 2026-06-19T21:07:19.603Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #56 in the year 2019 (2019-08-22 UTC)

NAVSTAR 78 (USA 293) Visibility forecast

Co-orbital & Co-planar RSOs

Check out NAVSTAR 78 (USA 293), 44506 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 3 days ago