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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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<iframe src="https://www.satcat.com/sats-embedded/40975?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/40975?theme=dark&initialShowStats=false

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ISO8601 Format

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 (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, Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 SNAP-3 JIMI
1 40975U 15058M   26037.04774806  .00009426  00000-0  66875-3 0  9994
2 40975  64.7644 274.1903 0107743 109.7869 251.4904 15.00619155 94535

Epoch: 2026-02-06T01:08Z

TLE epoch observation values (Epoch: 2026-02-06T01:08:45.432Z)

Latitude

0.00001°

Longitude

120.80978°

Altitude

591.474 km

Speed

7.552 km/s

True Right ascension

18h 16m 45s

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

18:09:30

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

638.34 km

Perigee altitude

488.756 km

Semi-major axis

6,941.685 km

Eccentricity

0.01077

Inclination

64.7644°

RAAN

274.1903°

Arg. of periapsis

109.7869°

True anomaly

250.32469°

Mean anomaly

251.4904°

Eccentric anomaly

250.90704°

Mean motion

3.75272 °/min

Orbital period

95.93 mins

BSTAR

0.00066875

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

ATLAS 5 CENTAUR R/B, 40978

SNAP-3 ALICE, 40970

SINOD-D 3, 40977

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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 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	2026-02-06 17:16:46.549Z	198.109° SSW	2026-02-06 17:19:46.549Z	143.832° SSE	41.041°	2026-02-06 17:23:46.549Z	38.724° NE
5 mins	2026-02-07 01:40:46.549Z	4.426° NNE	2026-02-07 01:42:46.549Z	59.432° ENE	27.524°	2026-02-07 01:45:46.549Z	115.394° 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

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

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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: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-02-06T01:08:45.432Z)

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: 15 hours ago