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NATO 2B, 4902

Orbit data source: Space-Track

NATO 2B, 4902 is a payload satellite owned by NATO (NATO) in GEO that was launched on Wed, 03 Feb 1971 UTC via a THOR DELTA M 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/4902?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/4902?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

4902, 1971-009A

Orbit

GEO

Last TLE update

1 day ago

Origin

North Atlantic Treaty Organization (NATO) (NATO)

Manufacturer

Philco-Ford

Mission

Non-operational Defense Communications

Bus & Motor

SKYNET, STAR 17A

Mass

243 kg wet, ~107 kg dry

Launch date (UTC)

1971-02-03 (54 years ago)

Launch vehicle

THOR DELTA M

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.4 m

Radar Cross Section

1.131 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 NATO 2B
1 04902U 71009A   25121.57937862 -.00000092  00000-0  00000-0 0  9992
2 04902   2.1840 262.2452 0003329 204.3931 216.0625  1.00271749114519

Epoch: 2025-05-01T13:54Z

Definitive object data (Epoch: 2025-05-01T13:54:18.312Z)

Latitude

1.91942°

Longitude

-105.66563°

Altitude

35,797.157 km

Speed

3.074 km/s

True Right ascension

21h 30m 38s

True Declination

1° 55' 03"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

1.8005°

Longitude

-111.28319°

Altitude

35,797.928 km

Speed

3.074 km/s

Apparent Right ascension

21h 07m 52s

Apparent Declination

-4° 13' 01"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

21:10:20

Azimuth

180.88° SSW

Elevation

45.863°

Doppler factor

Orbital elements

Apogee altitude

35,801.71 km

Perigee altitude

35,773.636 km

Semi-major axis

42,165.81 km

Eccentricity

0.0003329

Inclination

2.184°

RAAN

262.2452°

Arg. of periapsis

204.3931°

True anomaly

216.04005°

Mean anomaly

216.0625°

Eccentric anomaly

216.05127°

Mean motion

0.25067 °/min

BSTAR

Unknown

Orbital period

1436.15 mins

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4902 neighbors

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Other satellites on launch #9 in the year 1971 (1971-02-03 UTC)

DELTA 1 R/B, 4903

DELTA 1 DEB, 5974 (Decayed)

NATO 2B Visibility forecast

Observer location: undefined°, undefined°

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.
1440 mins	2025-05-02 13:27:56.808Z	180.88° SSW	2025-05-02 15:56:56.808Z	180.877° SSW	35.864°	2025-05-03 13:27:56.808Z	180.877° SSW

Authenticating...

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Check out NATO 2B, 4902 on other resources

View NATO 2B, 4902 on NASA - NSSDCA Website

View NATO 2B, 4902 on Heavens-Above

View NATO 2B, 4902 on Keep Track

View NATO 2B, 4902 on Celestrak

View NATO 2B, 4902 on Gunter's Space Page

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