SCOUT X-4 R/B, 871

Orbit data source: Space-Track

SCOUT X-4 R/B, 871 is space debris in LEO originally from a launch on Tue, 25 Aug 1964 UTC launched from the Air Force Western Test Range (AFWTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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<iframe src="https://www.satcat.com/sats-embedded/871?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/871?theme=dark&initialShowStats=false

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ISO8601 Format

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ISO8601 Format

Identifier

871, 1964-051B

Orbit

LEO

Last TLE update

21 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

ABL

Mission

Spacecraft

Bus & Motor

ALTAIR, Unknown motor

Mass

33 kg wet, 33 kg dry

Launch date (UTC)

1964-08-25 (61 years ago)

Launch vehicle

Unknown

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 1.5 m

Radar Cross Section

0.687 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history

TLE from 21 hours ago

0 SCOUT X-4 R/B
1 00871U 64051B   25185.85839346  .00000216  00000-0  13648-3 0  9993
2 00871  79.8938  91.5494 0086865 352.7378   7.2518 14.00480250 96240

Epoch: 2025-07-04T20:36Z

TLE epoch observation values (Epoch: 2025-07-04T20:36:05.194Z)

Latitude

0.00004°

Longitude

-140.57699°

Altitude

832.322 km

Speed

7.469 km/s

True Right ascension

06h 06m 11s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

22.33335°

Longitude

-137.35174°

Altitude

841.201 km

Speed

7.461 km/s

Apparent Right ascension

08h 40m 17s

Apparent Declination

-28° 51' 15"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

05:12:16

Azimuth

136.055° SSE

Elevation

5.963°

Doppler factor

Orbital elements

Apogee altitude

952.518 km

Perigee altitude

826.259 km

Semi-major axis

7,267.525 km

Eccentricity

0.00869

Inclination

79.8938°

RAAN

91.5494°

Arg. of periapsis

352.7378°

True anomaly

Unknown

Mean anomaly

7.2518°

Eccentric anomaly

Unknown

Mean motion

3.50319 °/min

Orbital period

102.76 mins

BSTAR

0.00013648

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Other satellites on launch #51 in the year 1964 (1964-08-25 UTC)

EXPLORER 20, 870

SCOUT X-4 DEB, 873 (Decayed)

SCOUT X-4 DEB, 874 (Decayed)

SCOUT X-4 DEB, 875 (Decayed)

SCOUT X-4 DEB, 40592 (Decayed)

SCOUT X-4 R/B Visibility forecast

Observer location: undefined°, undefined°

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.
6 mins	2025-07-05 17:18:56.217Z	120.726° SE	2025-07-05 17:21:56.217Z	84.585° E	16.858°	2025-07-05 17:24:56.217Z	50.354° ENE
9 mins	2025-07-05 19:00:56.217Z	210.251° SW	2025-07-05 19:04:56.217Z	274.128° WNW	39.305°	2025-07-05 19:09:56.217Z	0.135° NNE
7 mins	2025-07-06 04:02:56.217Z	28.434° NE	2025-07-06 04:05:56.217Z	62.779° ENE	19.119°	2025-07-06 04:09:56.217Z	107.597° ESE
10 mins	2025-07-06 05:45:56.217Z	338.389° N	2025-07-06 05:50:56.217Z	247.58° W	40.651°	2025-07-06 05:55:56.217Z	186.658° SSW

Authenticating...

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Check out SCOUT X-4 R/B, 871 on other resources

View SCOUT X-4 R/B, 871 on Heavens-Above

View SCOUT X-4 R/B, 871 on Keep Track

View SCOUT X-4 R/B, 871 on Celestrak

View SCOUT X-4 R/B, 871 on Gunter's Space Page

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