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SIMSAT 1, 26365

Orbit data source: Space-Track

SIMSAT 1, 26365 is a payload satellite owned by Eurockot (CIS) in LEO that was launched on Tue, 16 May 2000 UTC via an ROKOT launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). 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/26365?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

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https://www.satcat.com/sats-embedded/26365?theme=dark&initialShowStats=false

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Identifier

26365, 2000-026A

Orbit

LEO

Country

CIS

Related business

Eurockot Launch Services GmbH (D for RU lanch vehicle) (DE)

Manufacturer

Khrunichev

Mission

Commercial Technology

Bus & Motor

SIMSAT, Unknown motor

Mass

657 kg wet, 657 kg dry

Launch date (UTC)

2000-05-16 (26 years ago)

Launch vehicle

ROKOT

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 1 Arm, 1.8 m

Radar Cross Section

9.625 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 10 hours ago

TLE from 10 hours ago

0 SIMSAT 1
1 26365U 00026A   26223.21364776  .00001111  00000-0  38740-4 0  9991
2 26365  86.3425 104.6610 0010189 123.2093 237.0133 15.28313278450793

Epoch: 2026-08-11T05:07Z

TLE epoch observation values (Epoch: 2026-08-11T05:07:39.166Z)

Latitude

-0.00001°

Longitude

68.06265°

Altitude

487.847 km

Speed

7.619 km/s

True Right ascension

06h 58m 38s

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

05:19:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

484.674 km

Perigee altitude

470.703 km

Semi-major axis

6,855.825 km

Eccentricity

0.00102

Inclination

86.3425°

RAAN

104.661°

Arg. of periapsis

123.2093°

True anomaly

236.91543°

Mean anomaly

237.0133°

Eccentric anomaly

236.96436°

Mean motion

3.82343 °/min

Orbital period

94.16 mins

BSTAR

0.00003874

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Other satellites on launch #26 in the year 2000 (2000-05-16 UTC)

SIMSAT 2, 26366

SL-19 R/B, 26367 (Decayed)

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SIMSAT 1 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	2026-08-11 16:15:18.568Z	147.252° SSE	2026-08-11 16:18:18.568Z	80.277° E	27.329°	2026-08-11 16:20:18.568Z	32.997° NE
4 mins	2026-08-12 03:42:18.568Z	38.716° NE	2026-08-12 03:44:18.568Z	88.546° E	23.285°	2026-08-12 03:46:18.568Z	131.576° 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 SIMSAT 1, 26365 on other resources

View SIMSAT 1, 26365 on NASA - NSSDCA Website

View SIMSAT 1, 26365 on Heavens-Above

View SIMSAT 1, 26365 on Keep Track

View SIMSAT 1, 26365 on Celestrak

View SIMSAT 1, 26365 on Gunter's Space Page

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

SIMSAT 1, 26365

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 10 hours ago

TLE from 10 hours ago

TLE epoch observation values (Epoch: 2026-08-11T05:07:39.166Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #26 in the year 2000 (2000-05-16 UTC)

SIMSAT 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SIMSAT 1, 26365 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 10 hours ago