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NATO 2A, 4353

Orbit data source: Space-Track

NATO 2A, 4353 is a payload satellite owned by NATO (NATO) in GEO that was launched on Fri, 20 Mar 1970 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 URL

https://www.satcat.com/sats-embedded/4353?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

4353, 1970-021A

Orbit

GEO

Country

Unknown / NATO

Related business

North Atlantic Treaty Organization (NATO) (BE)

Manufacturer

Philco-Ford

Mission

Non-operational spacecraft

Bus & Motor

SKYNET, STAR 17A

Mass

243 kg wet, ~107 kg dry

Launch date (UTC)

1970-03-20 (56 years ago)

Launch vehicle

THOR DELTA M

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

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Last TLE update: 14 hours ago

TLE from 14 hours ago

0 NATO 2A
1  4353U 70021A   25355.59951866 -.00000037  00000-0  00000+0 0  9994
2  4353   0.8321 291.0063 0004280 314.9752 310.6337  1.00275911123989

Epoch: 2025-12-21T14:23Z

TLE epoch observation values (Epoch: 2025-12-21T14:23:18.412Z)

Latitude

-0.83791°

Longitude

-109.66966°

Altitude

35,773.312 km

Speed

3.076 km/s

True Right ascension

13h 06m 16s

True Declination

0° 50' 13"

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

03:30:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

35,804.555 km

Perigee altitude

35,768.462 km

Semi-major axis

42,164.645 km

Eccentricity

0.00043

Inclination

0.8321°

RAAN

291.0063°

Arg. of periapsis

314.9752°

True anomaly

310.59647°

Mean anomaly

310.6337°

Eccentric anomaly

310.61508°

Mean motion

0.25068 °/min

Orbital period

1,436.09 mins

BSTAR

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Other satellites on launch #21 in the year 1970 (1970-03-20 UTC)

DELTA 1 R/B, 4354

DELTA 1 DEB, 5975

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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NATO 2A 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.
1440 mins	2025-12-22 04:26:54.441Z	187.085° SSW	2025-12-23 02:44:54.441Z	187.048° SSW	35.044°	2025-12-23 04:26:54.441Z	187.059° SSW

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4353 neighbors

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out NATO 2A, 4353 on other resources

View NATO 2A, 4353 on NASA - NSSDCA Website

View NATO 2A, 4353 on Heavens-Above

View NATO 2A, 4353 on Keep Track

View NATO 2A, 4353 on Celestrak

View NATO 2A, 4353 on Gunter's Space Page

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

NATO 2A, 4353

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2025-12-21T14:23:18.412Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #21 in the year 1970 (1970-03-20 UTC)

NATO 2A Visibility forecast

4353 neighbors

Co-orbital & Co-planar RSOs

Check out NATO 2A, 4353 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago