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COSMOS 1830, 17585

Orbit data source: Space-Track

COSMOS 1830, 17585 is a payload satellite owned by UNKS (CIS) in LEO that was launched on Fri, 13 Mar 1987 UTC via a TSIKLON-3 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 URL

https://www.satcat.com/sats-embedded/17585?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

17585, 1987-026D

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

NPO PM

Mission

Spacecraft

Bus & Motor

STRELA-3, Unknown motor

Mass

225 kg wet, 225 kg dry

Launch date (UTC)

1987-03-13 (39 years ago)

Launch vehicle

TSIKLON-3

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.8 m

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 COSMOS 1830
1 17585U 87026D   26053.07474580  .00000018  00000-0  42672-4 0  9994
2 17585  82.5583 279.8236 0005659 124.4932  30.9955 12.63615916796100

Epoch: 2026-02-22T01:47Z

TLE epoch observation values (Epoch: 2026-02-22T01:47:38.037Z)

Latitude

24.28144°

Longitude

-82.43448°

Altitude

1,407.069 km

Speed

7.16 km/s

True Right ascension

06h 25m 50s

True Declination

24° 09' 49"

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

12:23:08

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,409.779 km

Perigee altitude

1,400.97 km

Semi-major axis

7,783.512 km

Eccentricity

0.00057

Inclination

82.5583°

RAAN

279.8236°

Arg. of periapsis

124.4932°

True anomaly

31.02891°

Mean anomaly

30.9955°

Eccentric anomaly

31.01221°

Mean motion

3.16067 °/min

Orbital period

113.9 mins

BSTAR

0.000042672

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Other satellites on launch #26 in the year 1987 (1987-03-13 UTC)

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COSMOS 1830 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.
12 mins	2026-02-22 14:23:26.128Z	132.526° SE	2026-02-22 14:29:26.128Z	81.561° E	24.461°	2026-02-22 14:35:26.128Z	32.006° NE
15 mins	2026-02-22 16:16:26.128Z	204.002° SW	2026-02-22 16:23:26.128Z	276.445° WNW	40.943°	2026-02-22 16:31:26.128Z	0.299° NNE
16 mins	2026-02-23 02:16:26.128Z	0.346° NNE	2026-02-23 02:24:26.128Z	76.823° E	39.724°	2026-02-23 02:32:26.128Z	154.914° SSE
12 mins	2026-02-23 04:13:26.128Z	325.251° NNW	2026-02-23 04:18:26.128Z	281.202° WNW	25.853°	2026-02-23 04:25:26.128Z	221.794° SW

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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 COSMOS 1830, 17585 on other resources

View COSMOS 1830, 17585 on NASA - NSSDCA Website

View COSMOS 1830, 17585 on Heavens-Above

View COSMOS 1830, 17585 on Keep Track

View COSMOS 1830, 17585 on Celestrak

View COSMOS 1830, 17585 on Gunter's Space Page

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

COSMOS 1830, 17585

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-02-22T01:47:38.037Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #26 in the year 1987 (1987-03-13 UTC)

COSMOS 1830 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 1830, 17585 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago