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
Spacecraft
Bus & Motor
TRANSIT 5, Unknown motor
Mass
59 kg wet, 59 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: 13 hours ago
TLE from 13 hours ago
0 RADIATION SAT (5E 1)
1 00671U 63038C 25309.10369278 .00000090 00000-0 13655-3 0 9991
2 00671 89.9713 333.7238 0038213 272.7030 86.9744 13.45181744 44925Epoch: 2025-11-05T02:29Z
TLE epoch observation values (Epoch: 2025-11-05T02:29:19.056Z)
Latitude
-0.00003°
Longitude
-108.18676°
Altitude
1,091.588 km
Speed
7.307 km/s
True Right ascension
22h 14m 53s
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
11:04:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,115.622 km
Perigee altitude
1,058.569 km
Semi-major axis
7,465.233 km
Eccentricity
0.00382
Inclination
89.9713°
RAAN
333.7238°
Arg. of periapsis
272.703°
True anomaly
87.41178°
Mean anomaly
86.9744°
Eccentric anomaly
87.19308°
Mean motion
3.36495 °/min
Orbital period
106.99 mins
BSTAR
0.00013655
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-11-05 15:35:22.606Z | 332.257° NNW | 2025-11-05 15:40:22.606Z | 284.04° WNW | 19.84° | 2025-11-05 15:44:22.606Z | 245.177° WSW |
| 12 mins | 2025-11-06 01:48:22.606Z | 161.509° S | 2025-11-06 01:53:22.606Z | 101.709° ESE | 42.119° | 2025-11-06 02:00:22.606Z | 3.928° NNE |
| 7 mins | 2025-11-06 03:38:22.606Z | 251.829° W | 2025-11-06 03:41:22.606Z | 284.244° WNW | 18.982° | 2025-11-06 03:45:22.606Z | 322.944° NNW |
| 10 mins | 2025-11-06 13:01:22.606Z | 28.831° NE | 2025-11-06 13:06:22.606Z | 85.573° E | 26.595° | 2025-11-06 13:11:22.606Z | 138.717° SSE |
| 11 mins | 2025-11-06 14:48:22.606Z | 343.231° N | 2025-11-06 14:53:22.606Z | 274.85° WNW | 34.947° | 2025-11-06 14:59:22.606Z | 211.064° SW |
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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