Showing default

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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/671?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/671?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

671, 1963-038C

Orbit

LEO

Country

Related business

United States Navy (US)

Manufacturer

APL

Mission

Spacecraft

Bus & Motor

TRANSIT 5, Unknown motor

Mass

59 kg wet, 59 kg dry

Launch date (UTC)

1963-09-28 (63 years ago)

Launch vehicle

THOR ABLESTAR

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

OCT CYL + 4 PAN, 1.5 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 23 hours ago

TLE from 23 hours ago

0 RADIATION SAT (5E 1)
1 00671U 63038C   26207.34133333  .00000062  00000-0  89318-4 0  9995
2 00671  89.9679 332.8790 0038613 236.4682 123.2775 13.45229656 80310

Epoch: 2026-07-26T08:11Z

TLE epoch observation values (Epoch: 2026-07-26T08:11:31.199Z)

Latitude

-0.00008°

Longitude

-94.04165°

Altitude

1,108.711 km

Speed

7.29 km/s

True Right ascension

22h 11m 30s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

20:28:19

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,115.743 km

Perigee altitude

1,058.093 km

Semi-major axis

7,465.055 km

Eccentricity

0.00386

Inclination

89.9679°

RAAN

332.879°

Arg. of periapsis

236.4682°

True anomaly

123.64644°

Mean anomaly

123.2775°

Eccentric anomaly

123.46207°

Mean motion

3.36507 °/min

Orbital period

106.98 mins

BSTAR

0.000089318

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #38 in the year 1963 (1963-09-28 UTC)

THOR ABLESTAR DEB, 745

THOR ABLESTAR R/B, 669

TRANSIT 5B-1 DEB, 2097

THOR ABLESTAR DEB, 672

TRANSIT 5B-1 DEB, 7259 (Decayed)

TRANSIT 5B-1, 670

TRANSIT 5B-1 DEB, 20470 (Decayed)

THOR ABLESTAR DEB, 38521

TRANSIT 5B-1 DEB, 3166

TRANSIT 5B-1 DEB, 19062 (Decayed)

TRANSIT 5B-1 DEB, 1528 (Decayed)

TRANSIT 5B-1 DEB, 38522 (Decayed)

TRANSIT 5B-1 DEB, 4587 (Decayed)

TRANSIT 5B-1 DEB, 12943 (Decayed)

Did you know?

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

Click here to try in Sandbox

RADIATION SAT (5E 1) Visibility forecast

Loading observer location...
Set Observer location

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	2026-07-27 07:31:51.899Z	122.504° SE	2026-07-27 07:36:51.899Z	70.286° E	23.127°	2026-07-27 07:41:51.899Z	22.872° NE
11 mins	2026-07-27 09:17:51.899Z	199.956° SSW	2026-07-27 09:22:51.899Z	269.526° W	38.998°	2026-07-27 09:28:51.899Z	346.611° N
12 mins	2026-07-27 20:29:51.899Z	7.657° NNE	2026-07-27 20:35:51.899Z	109.141° ESE	43.402°	2026-07-27 20:41:51.899Z	174.833° S
7 mins	2026-07-27 22:18:51.899Z	317.429° NNW	2026-07-27 22:21:51.899Z	286.522° WNW	17.471°	2026-07-27 22:25:51.899Z	248.969° W

Items per page:

1–4 of 4 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

Authenticating...

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 descending order

Check out RADIATION SAT (5E 1), 671 on other resources

View RADIATION SAT (5E 1), 671 on NASA - NSSDCA Website

View RADIATION SAT (5E 1), 671 on Heavens-Above

View RADIATION SAT (5E 1), 671 on Keep Track

View RADIATION SAT (5E 1), 671 on Celestrak

View RADIATION SAT (5E 1), 671 on Gunter's Space Page

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

RADIATION SAT (5E 1), 671

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-07-26T08:11:31.199Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #38 in the year 1963 (1963-09-28 UTC)

RADIATION SAT (5E 1) Visibility forecast

Co-orbital & Co-planar RSOs

Check out RADIATION SAT (5E 1), 671 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 23 hours ago