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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: 18 hours ago

TLE from 18 hours ago

0 RBSP B
1 38753U 12046B   26121.49241266  .00009619  00000-0  97349-3 0  9995
2 38753  10.0356 168.6210 6402302  92.1024 337.0410  3.48451725142916

Epoch: 2026-05-01T11:49Z

TLE epoch observation values (Epoch: 2026-05-01T11:49:04.453Z)

Latitude

-0.00002°

Longitude

132.10738°

Altitude

4,691.63 km

Speed

7.094 km/s

True Right ascension

11h 15m 11s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

13:30:44

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

23,774.901 km

Perigee altitude

235.662 km

Semi-major axis

18,383.418 km

Eccentricity

0.64023

Inclination

10.0356°

RAAN

168.621°

Arg. of periapsis

92.1024°

True anomaly

267.95887°

Mean anomaly

337.041°

Eccentric anomaly

308.22287°

Mean motion

0.87077 °/min

Orbital period

413.43 mins

BSTAR

0.00097349

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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 (Decayed)

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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.
309 mins	2026-05-02 16:10:33.144Z	199.611° SSW	2026-05-02 16:34:33.144Z	159.432° S	18.962°	2026-05-02 21:19:33.144Z	128.069° SE
9 mins	2026-05-03 05:06:33.144Z	217.34° SW	2026-05-03 05:11:33.144Z	207.763° SW	10.836°	2026-05-03 05:15:33.144Z	196.331° 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: 18 hours ago

TLE from 18 hours ago

TLE epoch observation values (Epoch: 2026-05-01T11:49:04.453Z)

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: 18 hours ago