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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>

Iframe URL

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

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ISO8601 Format

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   26118.11015618  .00002239  00000-0  80668-4 0  9999
2 26365  86.3451 156.3128 0009048 154.0941 206.0761 15.27907853434743

Epoch: 2026-04-28T02:38Z

TLE epoch observation values (Epoch: 2026-04-28T02:38:37.493Z)

Latitude

-0.00006°

Longitude

-99.4336°

Altitude

490.827 km

Speed

7.616 km/s

True Right ascension

10h 25m 15s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

20:13:48

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

485.106 km

Perigee altitude

472.698 km

Semi-major axis

6,857.039 km

Eccentricity

0.0009

Inclination

86.3451°

RAAN

156.3128°

Arg. of periapsis

154.0941°

True anomaly

206.03057°

Mean anomaly

206.0761°

Eccentric anomaly

206.05333°

Mean motion

3.82242 °/min

Orbital period

94.18 mins

BSTAR

0.000080668

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

SL-19 R/B, 26367 (Decayed)

SIMSAT 2, 26366

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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.
6 mins	2026-04-28 14:12:15.321Z	19.101° NNE	2026-04-28 14:15:15.321Z	80.763° E	27.941°	2026-04-28 14:18:15.321Z	146.039° SSE
4 mins	2026-04-29 02:22:15.321Z	120.174° SE	2026-04-29 02:24:15.321Z	73.66° E	20.311°	2026-04-29 02:26:15.321Z	36.975° NE

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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: 2026-04-28T02:38:37.493Z)

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