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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: 13 hours ago

TLE from 13 hours ago

0 SNAP-3 JIMI
1 40975U 15058M   26261.08939304  .00004362  00000-0  29151-3 0  9993
2 40975  64.7638 285.6047 0113870  19.5736 340.9699 15.03167530128185

Epoch: 2026-09-18T02:08Z

TLE epoch observation values (Epoch: 2026-09-18T02:08:43.558Z)

Latitude

-0.00003°

Longitude

-103.59409°

Altitude

484.587 km

Speed

7.664 km/s

True Right ascension

19h 02m 25s

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

07:36:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

634.652 km

Perigee altitude

476.741 km

Semi-major axis

6,933.834 km

Eccentricity

0.01139

Inclination

64.7638°

RAAN

285.6047°

Arg. of periapsis

19.5736°

True anomaly

340.53864°

Mean anomaly

340.9699°

Eccentric anomaly

340.75485°

Mean motion

3.75909 °/min

Orbital period

95.77 mins

BSTAR

0.00029151

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

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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.
5 mins	2026-09-19 03:51:45.379Z	239.975° WSW	2026-09-19 03:53:45.379Z	294.449° NW	45.466°	2026-09-19 03:56:45.379Z	15.817° NNE
7 mins	2026-09-19 12:12:45.379Z	330.045° NNW	2026-09-19 12:15:45.379Z	358.619° N	79.445°	2026-09-19 12:19:45.379Z	147.074° 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 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: 13 hours ago

TLE from 13 hours ago

TLE epoch observation values (Epoch: 2026-09-18T02:08:43.558Z)

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: 13 hours ago