SCOUT X-4 R/B, 721

Orbit data source: Space-Track

SCOUT X-4 R/B, 721 is space debris in LEO originally from a launch on Thu, 19 Dec 1963 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/721?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/721?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

721, 1963-053B

Orbit

LEO

Last TLE update

17 hours ago

Origin

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

ABL

Mission

Spacecraft

Bus & Motor

ALTAIR, Unknown motor

Mass

68 kg wet, 33 kg dry

Launch date (UTC)

1963-12-19 (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 17 hours ago

0 SCOUT X-4 R/B
1 00721U 63053B   25128.52408345  .00000308  00000-0  17499-3 0  9990
2 00721  78.5991 150.0231 1088303 139.9360 228.7382 12.54848692799294

Epoch: 2025-05-08T12:34Z

Definitive object data (Epoch: 2025-05-08T12:34:40.81Z)

Latitude

-0.00004°

Longitude

94.75971°

Altitude

2,055.541 km

Speed

6.603 km/s

True Right ascension

10h 00m 05s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

-70.24338°

Longitude

60.08896°

Altitude

2,162.387 km

Speed

6.522 km/s

Apparent Right ascension

03h 33m 42s

Apparent Declination

-65° 21' 53"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

13:28:04

Azimuth

204.858° SW

Elevation

-58.884°

Doppler factor

Orbital elements

Apogee altitude

2,292.796 km

Perigee altitude

590.714 km

Semi-major axis

7,819.892 km

Eccentricity

0.1088303

Inclination

78.5991°

RAAN

150.0231°

Arg. of periapsis

139.936°

True anomaly

220.16934°

Mean anomaly

228.7382°

Eccentric anomaly

224.37721°

Mean motion

3.13864 °/min

BSTAR

0.00017499

Orbital period

114.7 mins

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Other satellites on launch #53 in the year 1963 (1963-12-19 UTC)

EXPLORER 19 (ADI-1), 714 (Decayed)

SCOUT X-4 DEB, 722 (Decayed)

SCOUT X-4 DEB, 723 (Decayed)

SCOUT X-4 DEB, 724

SCOUT X-4 DEB, 725 (Decayed)

SCOUT X-4 DEB, 726 (Decayed)

SCOUT X-4 DEB, 732

SCOUT X-4 DEB, 3750

SCOUT X-4 DEB, 17665 (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.
5 mins	2025-05-09 12:10:25.184Z	21.475° NNE	2025-05-09 12:13:25.184Z	75.792° E	20.616°	2025-05-09 12:15:25.184Z	111.525° ESE
4 mins	2025-05-09 14:07:25.184Z	296.341° NW	2025-05-09 14:09:25.184Z	260.74° W	16.686°	2025-05-09 14:11:25.184Z	229.357° WSW
13 mins	2025-05-10 01:02:25.184Z	148.905° SSE	2025-05-10 01:09:25.184Z	95.147° ESE	29.516°	2025-05-10 01:15:25.184Z	36.772° NE
15 mins	2025-05-10 02:57:25.184Z	215.168° SW	2025-05-10 03:05:25.184Z	281.142° WNW	37.354°	2025-05-10 03:12:25.184Z	0.191° NNE

Authenticating...

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Check out SCOUT X-4 R/B, 721 on other resources

View SCOUT X-4 R/B, 721 on Heavens-Above

View SCOUT X-4 R/B, 721 on Keep Track

View SCOUT X-4 R/B, 721 on Celestrak

View SCOUT X-4 R/B, 721 on Gunter's Space Page

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