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SMDC ONE 2.3, 39474

Orbit data source: Space-Track

SMDC ONE 2.3, 39474 is a payload satellite owned by SMDC (US) in LEO that was launched on Fri, 06 Dec 2013 UTC via an ATLAS V 501 launch vehicle from the Air Force Western Test Range (AFWTR). 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/39474?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/39474?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

39474, 2013-072N

Orbit

LEO

Last TLE update

13 hours ago

Origin

United States Army (US)

Manufacturer

Duocomm Miltec

Mission

Operational Defense Communications

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

4 kg wet, 4 kg dry

Launch date (UTC)

2013-12-06 (12 years ago)

Launch vehicle

ATLAS V 501

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.3 m

Radar Cross Section

0.075 m², Small (<0.1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 SMDC ONE 2.3
1 39474U 13072N   25178.92492684  .00024906  00000-0  77567-3 0  9993
2 39474 120.4631 162.2912 0129616  18.5417 342.0326 15.25408651 62960

Epoch: 2025-06-27T22:11Z

TLE epoch observation values (Epoch: 2025-06-27T22:11:53.678Z)

Latitude

-0.00004°

Longitude

-86.95324°

Altitude

406.545 km

Speed

7.715 km/s

True Right ascension

10h 49m 09s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

35.87486°

Longitude

120.21443°

Altitude

533.976 km

Speed

7.577 km/s

Apparent Right ascension

04h 41m 08s

Apparent Declination

0° 55' 01"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

22:49:13

Azimuth

91.999° ESE

Elevation

0.959°

Doppler factor

Orbital elements

Apogee altitude

577.836 km

Perigee altitude

399.822 km

Semi-major axis

6,866.966 km

Eccentricity

0.01296

Inclination

120.4631°

RAAN

162.2912°

Arg. of periapsis

18.5417°

True anomaly

Unknown

Mean anomaly

342.0326°

Eccentric anomaly

Unknown

Mean motion

3.81413 °/min

Orbital period

94.39 mins

BSTAR

0.00077567

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Other satellites on launch #72 in the year 2013 (2013-12-06 UTC)

USA 247, 39462

FIREBIRD A, 39463 (Decayed)

FIREBIRD B, 39464

AEROCUBE 5A, 39465 (Decayed)

AEROCUBE 5B, 39466 (Decayed)

ALICE, 39467

SNAP-3, 39468 (Decayed)

ATLAS 5 CENTAUR R/B, 39475

SMDC ONE 2.3 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.
6 mins	2025-06-28 12:53:26.767Z	60.138° ENE	2025-06-28 12:56:26.767Z	126.109° SE	32.924°	2025-06-28 12:59:26.767Z	196.001° SSW
4 mins	2025-06-28 14:26:26.767Z	353.889° N	2025-06-28 14:27:26.767Z	327.82° NNW	23.64°	2025-06-28 14:30:26.767Z	267.405° W
4 mins	2025-06-28 21:57:26.767Z	162.831° S	2025-06-28 21:59:26.767Z	248.154° W	35.873°	2025-06-28 22:01:26.767Z	301.653° NW

Authenticating...

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Check out SMDC ONE 2.3, 39474 on other resources

View SMDC ONE 2.3, 39474 on NASA - NSSDCA Website

View SMDC ONE 2.3, 39474 on Heavens-Above

View SMDC ONE 2.3, 39474 on Keep Track

View SMDC ONE 2.3, 39474 on Celestrak

View SMDC ONE 2.3, 39474 on Gunter's Space Page

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