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SNAP-3 JIMI, 40975

Orbit data source: Space-Track

SNAP-3 JIMI, 40975 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/40975?theme=dark&initialShowStats=false

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Identifier

40975, 2015-058M

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, 5.3 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: 11 hours ago

TLE from 11 hours ago

0 SNAP-3 JIMI
1 40975U 15058M   26177.37549379  .00006148  00000-0  42149-3 0  9996
2 40975  64.7632 190.6990 0106633  51.6805 309.3839 15.02378366115602

Epoch: 2026-06-26T09:00Z

TLE epoch observation values (Epoch: 2026-06-26T09:00:42.663Z)

Latitude

-0.0001°

Longitude

141.01629°

Altitude

515.112 km

Speed

7.632 km/s

True Right ascension

12h 42m 47s

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

07:21:49

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

632.089 km

Perigee altitude

484.162 km

Semi-major axis

6,936.263 km

Eccentricity

0.01066

Inclination

64.7632°

RAAN

190.699°

Arg. of periapsis

51.6805°

True anomaly

308.43145°

Mean anomaly

309.3839°

Eccentric anomaly

308.90848°

Mean motion

3.75712 °/min

Orbital period

95.82 mins

BSTAR

0.00042149

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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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SNAP-3 JIMI 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.
7 mins	2026-06-27 02:43:27.873Z	211.863° SW	2026-06-27 02:46:27.873Z	218.429° SW	42.698°	2026-06-27 02:50:27.873Z	31.232° NE
6 mins	2026-06-27 11:06:27.873Z	347.453° N	2026-06-27 11:08:27.873Z	30.375° NE	35.249°	2026-06-27 11:12:27.873Z	128.071° SE

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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 JIMI, 40975 on other resources

View SNAP-3 JIMI, 40975 on NASA - NSSDCA Website

View SNAP-3 JIMI, 40975 on Heavens-Above

View SNAP-3 JIMI, 40975 on Keep Track

View SNAP-3 JIMI, 40975 on Celestrak

View SNAP-3 JIMI, 40975 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 JIMI, 40975

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 11 hours ago

TLE from 11 hours ago

TLE epoch observation values (Epoch: 2026-06-26T09:00:42.663Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

SNAP-3 JIMI Visibility forecast

Co-orbital & Co-planar RSOs

Check out SNAP-3 JIMI, 40975 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 11 hours ago