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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

871, 1964-051B

Orbit

LEO

Last TLE update

16 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 16 hours ago

0 SCOUT X-4 R/B
1 00871U 64051B   25183.85803981  .00000301  00000-0  19178-3 0  9996
2 00871  79.8938  93.7588 0086957 358.0713   2.0099 14.00479279 95966

Epoch: 2025-07-02T20:35Z

TLE epoch observation values (Epoch: 2025-07-02T20:35:34.639Z)

Latitude

-0.00003°

Longitude

-136.26865°

Altitude

831.784 km

Speed

7.469 km/s

True Right ascension

06h 15m 02s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

35.11842°

Longitude

-129.82342°

Altitude

847.616 km

Speed

7.457 km/s

Apparent Right ascension

09h 01m 36s

Apparent Declination

0° 26' 55"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:58:04

Azimuth

56.164° ENE

Elevation

-33.065°

Doppler factor

Orbital elements

Apogee altitude

952.588 km

Perigee altitude

826.196 km

Semi-major axis

7,267.529 km

Eccentricity

0.0087

Inclination

79.8938°

RAAN

93.7588°

Arg. of periapsis

358.0713°

True anomaly

Unknown

Mean anomaly

2.0099°

Eccentric anomaly

Unknown

Mean motion

3.50318 °/min

Orbital period

102.76 mins

BSTAR

0.00019178

Loading maneuver chart data...

Loading SW <> Apogee altitude chart data...

Loading historical data...

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.
9 mins	2025-07-03 19:00:27.500Z	196.004° SSW	2025-07-03 19:04:27.500Z	284.08° WNW	44.456°	2025-07-03 19:09:27.500Z	8.031° NNE
4 mins	2025-07-04 04:03:27.500Z	44.115° NE	2025-07-04 04:05:27.500Z	65.812° ENE	14.132°	2025-07-04 04:07:27.500Z	86.695° E
10 mins	2025-07-04 05:45:27.500Z	346.649° N	2025-07-04 05:49:27.500Z	320.16° NNW	44.217°	2025-07-04 05:55:27.500Z	174.056° S

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 ascending order

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

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