SL-16 DEB, 28355

Orbit data source: Space-Track

SL-16 DEB, 28355 is space debris in LEO originally from a launch on Thu, 10 Jun 2004 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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https://www.satcat.com/sats-embedded/28355?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

28355, 2004-021D

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

SEP MOTOR COVER, Unknown motor

Mass

~1 kg wet, ~1 kg dry

Launch date (UTC)

2004-06-10 (22 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cone, 0.5 m

Radar Cross Section

0.635 m², Small (<0.1 m²)

Expand to show TLE details & history
Last TLE update: 20 hours ago

TLE from 20 hours ago

0 SL-16 DEB
1 28355U 04021D   26118.83843608  .00000012  00000-0  52791-4 0  9999
2 28355  70.9660 270.6782 0226031  37.0980  77.0451 13.68330675 91912

Epoch: 2026-04-28T20:07Z

TLE epoch observation values (Epoch: 2026-04-28T20:07:20.877Z)

Latitude

57.74382°

Longitude

-100.90983°

Altitude

980.928 km

Speed

7.384 km/s

True Right ascension

03h 50m 56s

True Declination

57° 35' 35"

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

23:07:24

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,170.392 km

Perigee altitude

836.694 km

Semi-major axis

7,381.68 km

Eccentricity

0.0226

Inclination

70.966°

RAAN

270.6782°

Arg. of periapsis

37.098°

True anomaly

79.58455°

Mean anomaly

77.0451°

Eccentric anomaly

78.31332°

Mean motion

3.42224 °/min

Orbital period

105.19 mins

BSTAR

0.000052791

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Other satellites on launch #21 in the year 2004 (2004-06-10 UTC)

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SL-16 DEB 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	2026-04-29 20:41:26.888Z	348.879° N	2026-04-29 20:46:26.888Z	64.972° ENE	39.685°	2026-04-29 20:52:26.888Z	139.608° SSE
8 mins	2026-04-29 22:30:26.888Z	297.054° NW	2026-04-29 22:33:26.888Z	261.99° W	22.585°	2026-04-29 22:38:26.888Z	210.746° SW
7 mins	2026-04-30 10:18:26.888Z	143.555° SSE	2026-04-30 10:21:26.888Z	98.842° ESE	23.802°	2026-04-30 10:25:26.888Z	49.653° ENE
8 mins	2026-04-30 12:05:26.888Z	243.847° WSW	2026-04-30 12:08:26.888Z	296.121° NW	32.242°	2026-04-30 12:13:26.888Z	7.27° 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 DEB, 28355 on other resources

View SL-16 DEB, 28355 on Heavens-Above

View SL-16 DEB, 28355 on Keep Track

View SL-16 DEB, 28355 on Celestrak

View SL-16 DEB, 28355 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 DEB, 28355

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 20 hours ago

TLE from 20 hours ago

TLE epoch observation values (Epoch: 2026-04-28T20:07:20.877Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #21 in the year 2004 (2004-06-10 UTC)

SL-16 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 DEB, 28355 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 20 hours ago