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: 16 hours ago
TLE from 16 hours ago
0 RADIATION SAT (5E 1)
1 00671U 63038C 25305.38452312 .00000104 00000-0 16094-3 0 9995
2 00671 89.9719 333.7350 0038208 283.8828 75.8071 13.45181143 44426Epoch: 2025-11-01T09:13Z
TLE epoch observation values (Epoch: 2025-11-01T09:13:42.797Z)
Latitude
-0.00002°
Longitude
154.39131°
Altitude
1,086.093 km
Speed
7.312 km/s
True Right ascension
22h 14m 56s
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
20:31:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,115.621 km
Perigee altitude
1,058.575 km
Semi-major axis
7,465.235 km
Eccentricity
0.00382
Inclination
89.9719°
RAAN
333.735°
Arg. of periapsis
283.8828°
True anomaly
76.23206°
Mean anomaly
75.8071°
Eccentric anomaly
76.01953°
Mean motion
3.36494 °/min
Orbital period
106.99 mins
BSTAR
0.00016094
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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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-11-02 01:24:52.278Z | 134.598° SE | 2025-11-02 01:29:52.278Z | 80.215° E | 28.669° | 2025-11-02 01:35:52.278Z | 16.941° NNE |
| 11 mins | 2025-11-02 03:11:52.278Z | 212.525° SW | 2025-11-02 03:16:52.278Z | 277.675° WNW | 32.845° | 2025-11-02 03:22:52.278Z | 342.452° N |
| 5 mins | 2025-11-02 12:39:52.278Z | 58.623° ENE | 2025-11-02 12:41:52.278Z | 77.798° E | 14.092° | 2025-11-02 12:44:52.278Z | 104.939° ESE |
| 12 mins | 2025-11-02 14:23:52.278Z | 1.209° NNE | 2025-11-02 14:28:52.278Z | 346.935° N | 44.445° | 2025-11-02 14:35:52.278Z | 185.748° SSW |
| 4 mins | 2025-11-02 16:13:52.278Z | 303.418° NW | 2025-11-02 16:14:52.278Z | 294.04° NW | 13.271° | 2025-11-02 16:17:52.278Z | 266.887° W |
| 5 mins | 2025-11-03 00:40:52.278Z | 92.438° ESE | 2025-11-03 00:42:52.278Z | 73.351° E | 14.854° | 2025-11-03 00:45:52.278Z | 44.627° NE |
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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