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SNAP-3 EDDIE, 40972

Orbit data source: Space-Track

SNAP-3 EDDIE, 40972 is a payload satellite owned by SMDC (US) in LEO that was launched on Thu, 08 Oct 2015 UTC via an ATLAS V 401 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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https://www.satcat.com/sats-embedded/40972?theme=dark&initialShowStats=false

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Identifier

40972, 2015-058J

Orbit

LEO

Country

Related business

United States Army (US)

Manufacturer

Duocomm Miltec

Mission

Operational Defense Communications

Bus & Motor

CUBESAT 3U, Unknown motor

Mass

5.3 kg wet, 4.5 kg dry

Launch date (UTC)

2015-10-08 (10 years ago)

Launch vehicle

ATLAS V 401

Launch site

Air Force Western Test Range (AFWTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 8 Pan, 0.3 m

Radar Cross Section

0.085 m², Medium (>0.1 m² and < 1m²)

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

TLE from 10 hours ago

0 SNAP-3 EDDIE
1 40972U 15058J   25359.02105564  .00042866  00000-0  11886-2 0  9990
2 40972  64.7535 325.1310 0046462 118.0667 242.5176 15.35600670 92089

Epoch: 2025-12-25T00:30Z

TLE epoch observation values (Epoch: 2025-12-25T00:30:19.207Z)

Latitude

-0.00009°

Longitude

-136.23115°

Altitude

475.96 km

Speed

7.62 km/s

True Right ascension

21h 40m 31s

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

09:53:27

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

489.439 km

Perigee altitude

425.918 km

Semi-major axis

6,835.815 km

Eccentricity

0.00465

Inclination

64.7535°

RAAN

325.131°

Arg. of periapsis

118.0667°

True anomaly

242.04653°

Mean anomaly

242.5176°

Eccentric anomaly

242.28194°

Mean motion

3.84023 °/min

Orbital period

93.74 mins

BSTAR

0.0011886

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Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

ATLAS 5 CENTAUR R/B, 40978

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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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SNAP-3 EDDIE 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.
4 mins	2025-12-26 00:08:08.882Z	256.212° W	2025-12-26 00:09:08.882Z	288.771° WNW	31.81°	2025-12-26 00:12:08.882Z	13.007° NNE
4 mins	2025-12-26 08:19:08.882Z	343.223° N	2025-12-26 08:20:08.882Z	13.621° NNE	40.692°	2025-12-26 08:23:08.882Z	138.685° SSE

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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 SNAP-3 EDDIE, 40972 on other resources

View SNAP-3 EDDIE, 40972 on NASA - NSSDCA Website

View SNAP-3 EDDIE, 40972 on Heavens-Above

View SNAP-3 EDDIE, 40972 on Keep Track

View SNAP-3 EDDIE, 40972 on Celestrak

View SNAP-3 EDDIE, 40972 on Gunter's Space Page

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

SNAP-3 EDDIE, 40972

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: 2025-12-25T00:30:19.207Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #58 in the year 2015 (2015-10-08 UTC)

SNAP-3 EDDIE Visibility forecast

Co-orbital & Co-planar RSOs

Check out SNAP-3 EDDIE, 40972 on other resources

Documentation

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