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THEMIS D, 30797

Orbit data source: Space-Track

THEMIS D, 30797 is a payload satellite owned by GSFC (US) in HEO that was launched on Sat, 17 Feb 2007 UTC via a DELTA 7925-10C launch vehicle from the Air Force Eastern Test Range (AFETR). 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/30797?theme=dark&initialShowStats=false

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Identifier

30797, 2007-004D

Orbit

HEO

Country

Related business

National Aeronautics and Space Administration (NASA) (US)

Manufacturer

Swales

Mission

Operational Civil Science

Bus & Motor

ATK-A100, Unknown motor

Mass

125 kg wet, 76 kg dry

Launch date (UTC)

2007-02-17 (19 years ago)

Launch vehicle

DELTA 7925-10C

Launch site

Air Force Eastern Test Range (AFETR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 6 Rod, 24.5 m

Radar Cross Section

0.720 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 THEMIS D
1 30797U 07004D   26120.76628794 -.00000099  00000-0  00000-0 0  9996
2 30797   7.2514  82.3485 8341162 224.0765  88.4932  0.87589833 40669

Epoch: 2026-04-30T18:23Z

TLE epoch observation values (Epoch: 2026-04-30T18:23:27.278Z)

Latitude

3.30473°

Longitude

-25.65124°

Altitude

62,689.746 km

Speed

1.704 km/s

True Right ascension

07h 15m 40s

True Declination

3° 18' 10"

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

14:53:45

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

78,262.465 km

Perigee altitude

1,277.051 km

Semi-major axis

46,147.895 km

Eccentricity

0.83412

Inclination

7.2514°

RAAN

82.3485°

Arg. of periapsis

224.0765°

True anomaly

162.86189°

Mean anomaly

88.4932°

Eccentric anomaly

126.77414°

Mean motion

0.21894 °/min

Orbital period

1,644.32 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #4 in the year 2007 (2007-02-17 UTC)

THEMIS E, 30798

THEMIS A, 30580

DELTA 2 R/B(1), 30585 (Decayed)

ARTEMIS P2 (THEMIS C), 30582

DELTA 2 R/B(2), 30799 (Decayed)

ARTEMIS P1 (THEMIS B), 30581

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THEMIS D 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.
721 mins	2026-05-01 17:56:16.449Z	104.795° ESE	2026-05-02 00:10:16.449Z	182.667° SSW	37.924°	2026-05-02 05:57:16.449Z	264.646° W

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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 THEMIS D, 30797 on other resources

View THEMIS D, 30797 on NASA - NSSDCA Website

View THEMIS D, 30797 on Heavens-Above

View THEMIS D, 30797 on Keep Track

View THEMIS D, 30797 on Celestrak

View THEMIS D, 30797 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

THEMIS D, 30797

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: 2026-04-30T18:23:27.278Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #4 in the year 2007 (2007-02-17 UTC)

THEMIS D Visibility forecast

Co-orbital & Co-planar RSOs

Check out THEMIS D, 30797 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 13 hours ago