SL-16 DEB, 28357

Orbit data source: Space-Track

SL-16 DEB, 28357 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/28357?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/28357?theme=dark&initialShowStats=false

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

Identifier

28357, 2004-021F

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: 9 hours ago

TLE from 9 hours ago

0 SL-16 DEB
1 28357U 04021F   26119.27266612  .00000067  00000-0  10119-3 0  9991
2 28357  71.0725 216.7299 0198633 163.1093 228.6890 13.73551899 96166

Epoch: 2026-04-29T06:32Z

TLE epoch observation values (Epoch: 2026-04-29T06:32:38.352Z)

Latitude

28.38631°

Longitude

-88.04214°

Altitude

1,087.999 km

Speed

7.262 km/s

True Right ascension

15h 09m 24s

True Declination

28° 14' 57"

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

23:07:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,131.057 km

Perigee altitude

838.552 km

Semi-major axis

7,362.941 km

Eccentricity

0.01986

Inclination

71.0725°

RAAN

216.7299°

Arg. of periapsis

163.1093°

True anomaly

227.00712°

Mean anomaly

228.689°

Eccentric anomaly

227.8453°

Mean motion

3.43531 °/min

Orbital period

104.79 mins

BSTAR

0.00010119

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

SL-16 DEB Visibility forecast

Loading observer location...
Set Observer location

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.
10 mins	2026-04-29 17:27:59.524Z	343.187° N	2026-04-29 17:32:59.524Z	97.628° ESE	42.633°	2026-04-29 17:37:59.524Z	149.369° SSE
10 mins	2026-04-30 06:58:59.524Z	164.446° S	2026-04-30 07:03:59.524Z	97.551° ESE	32.844°	2026-04-30 07:08:59.524Z	40.742° NE
10 mins	2026-04-30 08:45:59.524Z	241.69° WSW	2026-04-30 08:50:59.524Z	302.91° NW	30.775°	2026-04-30 08:55:59.524Z	3.406° NNE

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

Authenticating...

Click to sort rows by Secondary header in ascending order	Click to sort rows by Secondary name header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Owner header in ascending order	Click to sort rows by Obj. Type header in ascending order	Click to sort rows by Miss dist. header in ascending order	Click to sort rows by Rel. speed header in ascending order	Click to sort rows by Apr. angle header in ascending order	Click to sort rows by TCA header in descending order

Check out SL-16 DEB, 28357 on other resources

View SL-16 DEB, 28357 on Heavens-Above

View SL-16 DEB, 28357 on Keep Track

View SL-16 DEB, 28357 on Celestrak

View SL-16 DEB, 28357 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, 28357

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 hours ago

TLE from 9 hours ago

TLE epoch observation values (Epoch: 2026-04-29T06:32:38.352Z)

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, 28357 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 hours ago