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RBSP B, 38753

Orbit data source: Space-Track

RBSP B, 38753 is an American payload satellite in HEO that was launched on Thu, 30 Aug 2012 UTC via an ATLAS V 401 launch vehicle from the Air Force Eastern Test Range (AFETR). 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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<iframe src="https://www.satcat.com/sats-embedded/38753?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/38753?theme=dark&initialShowStats=false

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Identifier

38753, 2012-046B

Orbit

HEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

APL

Mission

Non-operational Civil Science

Bus & Motor

RBSP, Unknown motor

Mass

667 kg wet, 611 kg dry

Launch date (UTC)

2012-08-30 (14 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl + 4 Pan + 8 Rod, 52.8 m

Radar Cross Section

99.526 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 RBSP B
1 38753U 12046B   26070.37132499  .00005175  00000-0  80834-3 0  9996
2 38753  10.0833 204.9013 6395433  22.0958 356.1021  3.47774402141137

Epoch: 2026-03-11T08:54Z

TLE epoch observation values (Epoch: 2026-03-11T08:54:42.479Z)

Latitude

0.00005°

Longitude

-97.82646°

Altitude

453.258 km

Speed

9.748 km/s

True Right ascension

13h 39m 32s

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

02:16:29

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,801.351 km

Perigee altitude

256.881 km

Semi-major axis

18,407.253 km

Eccentricity

0.63954

Inclination

10.0833°

RAAN

204.9013°

Arg. of periapsis

22.0958°

True anomaly

337.40325°

Mean anomaly

356.1021°

Eccentric anomaly

349.29648°

Mean motion

0.86908 °/min

Orbital period

414.23 mins

BSTAR

0.00080834

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Other satellites on launch #46 in the year 2012 (2012-08-30 UTC)

ATLAS 5 CENTAUR R/B, 38754 (Decayed)

RBSP A, 38752

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RBSP B 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.
225 mins	2026-03-12 00:14:39.883Z	249.032° W	2026-03-12 01:23:39.883Z	241.394° WSW	14.622°	2026-03-12 03:59:39.883Z	233.493° WSW
119 mins	2026-03-12 19:59:39.883Z	238.105° WSW	2026-03-12 21:15:39.883Z	187.608° SSW	32.258°	2026-03-12 21:58:39.883Z	183.313° SSW

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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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Check out RBSP B, 38753 on other resources

View RBSP B, 38753 on NASA - NSSDCA Website

View RBSP B, 38753 on Heavens-Above

View RBSP B, 38753 on Keep Track

View RBSP B, 38753 on Celestrak

View RBSP B, 38753 on Gunter's Space Page

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

RBSP B, 38753

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-03-11T08:54:42.479Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #46 in the year 2012 (2012-08-30 UTC)

RBSP B Visibility forecast

Co-orbital & Co-planar RSOs

Check out RBSP B, 38753 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago