Showing default

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.

Loading next visibility...

Iframe embed code

<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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

39474, 2013-072N

Orbit

LEO

Country

Related business

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, 0.1 m

Radar Cross Section

0.075 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SMDC ONE 2.3
1 39474U 13072N   26095.31272850  .00076462  00000-0  10855-2 0  9996
2 39474 120.4512 199.2463 0066891 331.2589  28.4824 15.53231323106226

Epoch: 2026-04-05T07:30Z

TLE epoch observation values (Epoch: 2026-04-05T07:30:19.742Z)

Latitude

-0.00002°

Longitude

-106.9559°

Altitude

369.046 km

Speed

7.711 km/s

True Right ascension

13h 16m 59s

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

23:41:17

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

451.942 km

Perigee altitude

361.175 km

Semi-major axis

6,784.695 km

Eccentricity

0.00669

Inclination

120.4512°

RAAN

199.2463°

Arg. of periapsis

331.2589°

True anomaly

28.85065°

Mean anomaly

28.4824°

Eccentric anomaly

28.66625°

Mean motion

3.88372 °/min

Orbital period

92.69 mins

BSTAR

0.0010855

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

SNAP-3, 39468 (Decayed)

USA 247, 39462

FIREBIRD A, 39463 (Decayed)

AEROCUBE 5A, 39465 (Decayed)

CUNYSAT-1, 39470 (Decayed)

TACSAT 6, 39473

ATLAS 5 CENTAUR R/B, 39475

MCUBED-2, 39469

IPEX, 39471

SMDC ONE 2.4, 39472

AEROCUBE 5B, 39466 (Decayed)

ALICE, 39467

FIREBIRD B, 39464

Did you know?

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

Click here to try in Sandbox

SMDC ONE 2.3 Visibility forecast

Loading observer location...
Set Observer location

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.
4 mins	2026-04-05 20:25:35.903Z	82.006° E	2026-04-05 20:27:35.903Z	122.407° SE	17.631°	2026-04-05 20:29:35.903Z	164.684° S
4 mins	2026-04-05 21:55:35.903Z	18.734° NNE	2026-04-05 21:57:35.903Z	309.249° NW	33.34°	2026-04-05 21:59:35.903Z	253.719° W
4 mins	2026-04-06 05:19:35.903Z	108.154° ESE	2026-04-06 05:20:35.903Z	59.136° ENE	39.278°	2026-04-06 05:23:35.903Z	325.559° NNW

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

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.

SMDC ONE 2.3, 39474

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-04-05T07:30:19.742Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SMDC ONE 2.3 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SMDC ONE 2.3, 39474 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago