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MMS 2, 40483

Orbit data source: Space-Track

MMS 2, 40483 is a payload satellite owned by GSFC (US) in HEO that was launched on Fri, 13 Mar 2015 UTC via an ATLAS V 421 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 URL

https://www.satcat.com/sats-embedded/40483?theme=dark&initialShowStats=false

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Identifier

40483, 2015-011B

Orbit

HEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

GSFC

Mission

Operational Civil Science

Bus & Motor

MMS-SMART, GSFC

Mass

1,360 kg wet, 1,000 kg dry

Launch date (UTC)

2015-03-13 (11 years ago)

Launch vehicle

ATLAS V 421

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Oct Cyl + 1 Ant, 56.1 m

Radar Cross Section

24.177 m², Large (>1 m²)

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Last TLE update: 2 hours ago

TLE from 2 hours ago

0 MMS 2
1 40483U 15011B   26062.58336806 -.00002033  00000-0  00000+0 0  9990
2 40483  70.7068 350.2432 8429837 165.1734 327.3399  0.27958965  1330

Epoch: 2026-03-03T14:00Z

TLE epoch observation values (Epoch: 2026-03-03T14:00:03.000Z)

Latitude

21.31113°

Longitude

-14.15327°

Altitude

78,616.653 km

Speed

2.312 km/s

True Right ascension

23h 48m 52s

True Declination

21° 18' 05"

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

20:13:26

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

175,691.968 km

Perigee altitude

9,133.652 km

Semi-major axis

98,790.947 km

Eccentricity

0.84298

Inclination

70.7068°

RAAN

350.2432°

Arg. of periapsis

165.1734°

True anomaly

218.19505°

Mean anomaly

327.3399°

Eccentric anomaly

279.73615°

Mean motion

0.0699 °/min

Orbital period

5,150.33 mins

BSTAR

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Other satellites on launch #11 in the year 2015 (2015-03-13 UTC)

ATLAS 5 CENTAUR R/B, 40486 (Decayed)

MMS 1, 40482

MMS 3, 40484

MMS 4, 40485

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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MMS 2 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.
274 mins	2026-03-03 16:28:03.656Z	83.217° E	2026-03-03 19:07:03.656Z	56.124° ENE	41.873°	2026-03-03 21:02:03.656Z	25.534° NE

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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 MMS 2, 40483 on other resources

View MMS 2, 40483 on NASA - NSSDCA Website

View MMS 2, 40483 on Heavens-Above

View MMS 2, 40483 on Keep Track

View MMS 2, 40483 on Celestrak

View MMS 2, 40483 on Gunter's Space Page

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

MMS 2, 40483

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 hours ago

TLE from 2 hours ago

TLE epoch observation values (Epoch: 2026-03-03T14:00:03.000Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #11 in the year 2015 (2015-03-13 UTC)

MMS 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out MMS 2, 40483 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 hours ago