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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: 6 hours ago

TLE from 6 hours ago

0 SNAP-3 EDDIE
1 40972U 15058J   25342.27684020  .00040315  00000-0  11664-2 0  9999
2 40972  64.7534  20.8531 0047976 126.3745 234.1829 15.34230568 89512

Epoch: 2025-12-08T06:38Z

TLE epoch observation values (Epoch: 2025-12-08T06:38:38.993Z)

Latitude

-0.00006°

Longitude

-156.08759°

Altitude

484.564 km

Speed

7.613 km/s

True Right ascension

01h 23m 24s

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

11:05:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

494.564 km

Perigee altitude

428.934 km

Semi-major axis

6,839.886 km

Eccentricity

0.0048

Inclination

64.7534°

RAAN

20.8531°

Arg. of periapsis

126.3745°

True anomaly

233.73867°

Mean anomaly

234.1829°

Eccentric anomaly

233.96063°

Mean motion

3.83681 °/min

Orbital period

93.83 mins

BSTAR

0.0011664

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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.
5 mins	2025-12-08 13:26:14.450Z	334.318° NNW	2025-12-08 13:29:14.450Z	103.717° ESE	41.481°	2025-12-08 13:31:14.450Z	139.378° SSE
5 mins	2025-12-09 04:43:14.450Z	232.396° WSW	2025-12-09 04:45:14.450Z	339.003° N	39.598°	2025-12-09 04:48:14.450Z	24.923° 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 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: 6 hours ago

TLE from 6 hours ago

TLE epoch observation values (Epoch: 2025-12-08T06:38:38.993Z)

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: 6 hours ago