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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: 1 week ago

TLE from 1 week ago

0 THEMIS D
1 30797U 07004D   26168.14778321 -.00000390  00000-0  00000-0 0  9996
2 30797   7.6675  80.4898 8331978 230.8824 268.0937  0.87589082 41076

Epoch: 2026-06-17T03:32Z

TLE epoch observation values (Epoch: 2026-06-17T03:32:48.469Z)

Latitude

7.05723°

Longitude

-171.10352°

Altitude

63,752.262 km

Speed

1.652 km/s

True Right ascension

09h 50m 01s

True Declination

7° 03' 11"

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

21:07:04

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

78,220.46 km

Perigee altitude

1,319.468 km

Semi-major axis

46,148.101 km

Eccentricity

0.8332

Inclination

7.6675°

RAAN

80.4898°

Arg. of periapsis

230.8824°

True anomaly

196.37327°

Mean anomaly

268.0937°

Eccentric anomaly

230.9959°

Mean motion

0.21893 °/min

Orbital period

1,644.33 mins

BSTAR

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

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

THEMIS A, 30580

THEMIS E, 30798

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

ARTEMIS P2 (THEMIS C), 30582

ARTEMIS P1 (THEMIS B), 30581

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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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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.
717 mins	2026-06-24 15:53:15.166Z	95.83° ESE	2026-06-24 21:48:15.166Z	181.166° SSW	38.906°	2026-06-25 03:50:15.166Z	266.484° 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: 1 week ago

TLE from 1 week ago

TLE epoch observation values (Epoch: 2026-06-17T03:32:48.469Z)

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: 1 week ago