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NAVSTAR 76 (USA 266), 41328

Orbit data source: Space-Track

NAVSTAR 76 (USA 266), 41328 is a payload satellite owned by USAF SMC (US) in MEO that was launched on Fri, 05 Feb 2016 UTC via an ATLAS V 401 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/41328?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/41328?theme=dark&initialShowStats=false

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Identifier

41328, 2016-007A

Orbit

MEO

Country

Related business

United States Space Force (US)

Manufacturer

Boeing/ES

Mission

Operational Defense Navigation

Bus & Motor

GPS IIF, AOCS

Mass

1,630 kg wet, ~1,500 kg dry

Launch date (UTC)

2016-02-05 (10 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 9.0 m

Radar Cross Section

13.960 m², Large (>1 m²)

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

TLE from 19 hours ago

0 NAVSTAR 76 (USA 266)
1 41328U 16007A   26126.98367935  .00000024  00000-0  00000-0 0  9995
2 41328  55.4994  91.0922 0096130 247.1900 111.7689  2.00553758 75012

Epoch: 2026-05-06T23:36Z

TLE epoch observation values (Epoch: 2026-05-06T23:36:29.895Z)

Latitude

-0.00002°

Longitude

-127.88574°

Altitude

20,280.274 km

Speed

3.86 km/s

True Right ascension

06h 04m 18s

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

02:21:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

20,438.398 km

Perigee altitude

19,927.732 km

Semi-major axis

26,561.202 km

Eccentricity

0.00961

Inclination

55.4994°

RAAN

91.0922°

Arg. of periapsis

247.19°

True anomaly

112.78732°

Mean anomaly

111.7689°

Eccentric anomaly

112.27857°

Mean motion

0.50139 °/min

Orbital period

718.01 mins

BSTAR

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Other satellites on launch #7 in the year 2016 (2016-02-05 UTC)

ATLAS V CENTAUR R/B, 41329

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NAVSTAR 76 (USA 266) 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	2026-05-07 22:38:43.846Z	205.734° SW	2026-05-08 01:33:43.846Z	313.778° NW	44.449°	2026-05-08 05:15:43.846Z	99.705° ESE

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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 76 (USA 266), 41328 on other resources

View NAVSTAR 76 (USA 266), 41328 on NASA - NSSDCA Website

View NAVSTAR 76 (USA 266), 41328 on Heavens-Above

View NAVSTAR 76 (USA 266), 41328 on Keep Track

View NAVSTAR 76 (USA 266), 41328 on Celestrak

View NAVSTAR 76 (USA 266), 41328 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 76 (USA 266), 41328

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: 2026-05-06T23:36:29.895Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #7 in the year 2016 (2016-02-05 UTC)

NAVSTAR 76 (USA 266) Visibility forecast

Co-orbital & Co-planar RSOs

Check out NAVSTAR 76 (USA 266), 41328 on other resources

Documentation

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