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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4353 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
Unknown / NATORelated business
Manufacturer
Philco-Ford
Mission
Non-operational spacecraft
Bus & Motor
SKYNET, STAR 17A
Mass
243 kg wet, ~107 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 10 hours ago
TLE from 10 hours ago
0 NATO 2A
1 4353U 70021A 25311.65332541 -.00000052 00000-0 00000+0 0 9993
2 4353 0.9411 289.0583 0004201 301.1507 302.0032 1.00273280123549Epoch: 2025-11-07T15:40Z
TLE epoch observation values (Epoch: 2025-11-07T15:40:47.315Z)
Latitude
-0.86271°
Longitude
-110.15609°
Altitude
35,776.359 km
Speed
3.075 km/s
True Right ascension
11h 28m 32s
True Declination
0° 51' 43"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:26:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
35,804.96 km
Perigee altitude
35,769.532 km
Semi-major axis
42,165.383 km
Eccentricity
0.00042
Inclination
0.9411°
RAAN
289.0583°
Arg. of periapsis
301.1507°
True anomaly
301.96237°
Mean anomaly
302.0032°
Eccentric anomaly
301.98278°
Mean motion
0.25067 °/min
Orbital period
1,436.13 mins
BSTAR
0
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Other satellites on launch #21 in the year 1970 (1970-03-20 UTC)
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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.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 | 2025-11-08 01:17:21.368Z | 187.755° SSW | 2025-11-08 05:34:21.368Z | 187.869° SSW | 35.084° | 2025-11-09 01:17:21.368Z | 187.742° 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
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
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