SL-16 R/B, 17590

Orbit data source: Space-Track

SL-16 R/B, 17590 is space debris in LEO originally from a launch on Wed, 18 Mar 1987 UTC launched from the Tyuratam Missile And Space Complex (TTMTR). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.

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Iframe URL

https://www.satcat.com/sats-embedded/17590?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

17590, 1987-027B

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

11S772, Unknown motor

Mass

9,000 kg wet, 9,000 kg dry

Launch date (UTC)

1987-03-18 (40 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl, 5.6 m

Radar Cross Section

37.829 m², Large (>1 m²)

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

TLE from 10 hours ago

0 SL-16 R/B
1 17590U 87027B   26310.51297157  .00000014  00000-0  30865-4 0  9996
2 17590  71.0007 126.9049 0003024 128.1608 231.9788 14.17190420 49601

Epoch: 2026-11-06T12:18Z

TLE epoch observation values (Epoch: 2026-11-06T12:18:40.743Z)

Latitude

-0.00009°

Longitude

-103.4964°

Altitude

838.617 km

Speed

7.433 km/s

True Right ascension

08h 27m 37s

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

18:14:42

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

834.974 km

Perigee altitude

830.612 km

Semi-major axis

7,210.93 km

Eccentricity

0.0003

Inclination

71.0007°

RAAN

126.9049°

Arg. of periapsis

128.1608°

True anomaly

231.95151°

Mean anomaly

231.9788°

Eccentric anomaly

231.96515°

Mean motion

3.54451 °/min

Orbital period

101.57 mins

BSTAR

0.000030865

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Other satellites on launch #27 in the year 1987 (1987-03-18 UTC)

SL-16 DEB, 43323 (Decayed)

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SL-16 R/B 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.
11 mins	2026-11-06 23:01:37.976Z	338.803° N	2026-11-06 23:07:37.976Z	126.312° SE	73.244°	2026-11-06 23:12:37.976Z	154.713° SSE
7 mins	2026-11-07 12:09:37.976Z	142.328° SSE	2026-11-07 12:12:37.976Z	100.959° ESE	24.238°	2026-11-07 12:16:37.976Z	52.011° ENE
8 mins	2026-11-07 13:52:37.976Z	235.195° WSW	2026-11-07 13:56:37.976Z	312.972° NW	43.825°	2026-11-07 14:00:37.976Z	7.416° NNE

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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 SL-16 R/B, 17590 on other resources

View SL-16 R/B, 17590 on Heavens-Above

View SL-16 R/B, 17590 on Keep Track

View SL-16 R/B, 17590 on Celestrak

View SL-16 R/B, 17590 on Gunter's Space Page

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

SL-16 R/B, 17590

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: 2026-11-06T12:18:40.743Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #27 in the year 1987 (1987-03-18 UTC)

SL-16 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 R/B, 17590 on other resources

Documentation

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