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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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Iframe URL

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 (11 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: 9 hours ago

TLE from 9 hours ago

0 SNAP-3 EDDIE
1 40972U 15058J   26127.12042828  .00072006  00000-0  10807-2 0  9999
2 40972  64.7452 235.9844 0032880  38.4610 321.8867 15.53854182112630

Epoch: 2026-05-07T02:53Z

TLE epoch observation values (Epoch: 2026-05-07T02:53:25.003Z)

Latitude

-0.00002°

Longitude

-32.34091°

Altitude

390.023 km

Speed

7.687 km/s

True Right ascension

15h 43m 56s

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

19:57:12

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

426.316 km

Perigee altitude

381.717 km

Semi-major axis

6,782.153 km

Eccentricity

0.00329

Inclination

64.7452°

RAAN

235.9844°

Arg. of periapsis

38.461°

True anomaly

321.65339°

Mean anomaly

321.8867°

Eccentric anomaly

321.77012°

Mean motion

3.8859 °/min

Orbital period

92.64 mins

BSTAR

0.0010807

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

USA 264 DEB, 40981

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	2026-05-07 17:18:18.507Z	353.401° N	2026-05-07 17:21:18.507Z	66.21° ENE	23.602°	2026-05-07 17:23:18.507Z	108.336° ESE
4 mins	2026-05-08 08:23:18.507Z	168.879° S	2026-05-08 08:25:18.507Z	103.961° ESE	26.909°	2026-05-08 08:27:18.507Z	56.361° ENE

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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: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-05-07T02:53:25.003Z)

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: 9 hours ago