RADIATION SAT (5E 1), 671
Orbit data source: Space-Track
RADIATION SAT (5E 1), 671 is a payload satellite owned by USN BuWeps (US) in LEO that was launched on Sat, 28 Sep 1963 UTC via a THOR ABLESTAR launch vehicle from the Air Force Western Test Range (AFWTR). 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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Edit Public Description
Identifier
Orbit
Country
USRelated business
Manufacturer
APL
Mission
Civil Science
Bus & Motor
TRANSIT 5, Unknown motor
Mass
59 kg wet, 59 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Oct Cyl + 4 Pan, 1.5 m
Radar Cross Section
0.854 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 14 hours ago
TLE from 14 hours ago
0 RADIATION SAT (5E 1)
1 00671U 63038C 25261.20078021 .00000060 00000-0 84787-4 0 9994
2 00671 89.9796 333.8467 0041623 51.9719 308.5175 13.45172721 38481Epoch: 2025-09-18T04:49Z
TLE epoch observation values (Epoch: 2025-09-18T04:49:07.41Z)
Latitude
0.00005°
Longitude
-95.79996°
Altitude
1,073.736 km
Speed
7.325 km/s
True Right ascension
22h 15m 23s
True Declination
0° 00' 00"
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
11:35:10
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,118.202 km
Perigee altitude
1,056.056 km
Semi-major axis
7,465.266 km
Eccentricity
0.00416
Inclination
89.9796°
RAAN
333.8467°
Arg. of periapsis
51.9719°
True anomaly
308.1431°
Mean anomaly
308.5175°
Eccentric anomaly
308.33042°
Mean motion
3.36492 °/min
Orbital period
106.99 mins
BSTAR
0.000084787
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Other satellites on launch #38 in the year 1963 (1963-09-28 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.RADIATION SAT (5E 1) 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. |
|---|---|---|---|---|---|---|---|
| 10 mins | 2025-09-19 04:08:53.442Z | 128.783° SE | 2025-09-19 04:13:53.442Z | 76.314° E | 24.552° | 2025-09-19 04:18:53.442Z | 23.063° NE |
| 10 mins | 2025-09-19 05:55:53.442Z | 207.038° SW | 2025-09-19 06:00:53.442Z | 284.481° WNW | 35.693° | 2025-09-19 06:05:53.442Z | 342.892° N |
| 11 mins | 2025-09-19 17:07:53.442Z | 6.043° NNE | 2025-09-19 17:12:53.442Z | 104.904° ESE | 44.554° | 2025-09-19 17:18:53.442Z | 179.012° S |
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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