SL-16 DEB, 25403

Orbit data source: Space-Track

SL-16 DEB, 25403 is space debris in SSO originally from a launch on Fri, 10 Jul 1998 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/25403?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25403, 1998-043K

Orbit

SSO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Yuzhnoe

Mission

Spacecraft

Bus & Motor

SEP MOTOR COVER, Unknown motor

Mass

~0 kg wet, ~1 kg dry

Launch date (UTC)

1998-07-10 (27 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: 8 hours ago

TLE from 8 hours ago

0 SL-16 DEB
1 25403U 98043K   25289.95769569  .00000248  00000-0  24121-3 0  9997
2 25403  98.5745 240.1356 0210668 299.9557 131.1941 13.78459134370863

Epoch: 2025-10-16T22:59Z

TLE epoch observation values (Epoch: 2025-10-16T22:59:04.907Z)

Latitude

71.03125°

Longitude

-156.22127°

Altitude

1,085.357 km

Speed

7.264 km/s

True Right ascension

14h 17m 02s

True Declination

70° 55' 48"

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

01:38:37

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,121.293 km

Perigee altitude

811.834 km

Semi-major axis

7,344.7 km

Eccentricity

0.02107

Inclination

98.5745°

RAAN

240.1356°

Arg. of periapsis

299.9557°

True anomaly

132.97937°

Mean anomaly

131.1941°

Eccentric anomaly

132.08984°

Mean motion

3.44812 °/min

Orbital period

104.4 mins

BSTAR

0.00024121

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Other satellites on launch #43 in the year 1998 (1998-07-10 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.
6 mins	2025-10-17 07:58:57.451Z	56.528° ENE	2025-10-17 08:01:57.451Z	83.058° E	13.977°	2025-10-17 08:04:57.451Z	111.4° ESE
12 mins	2025-10-17 09:40:57.451Z	13.724° NNE	2025-10-17 09:45:57.451Z	19.671° NNE	44.696°	2025-10-17 09:52:57.451Z	194.918° SSW
6 mins	2025-10-17 11:25:57.451Z	327.449° NNW	2025-10-17 11:28:57.451Z	297.26° NW	16.625°	2025-10-17 11:31:57.451Z	269.015° W
9 mins	2025-10-17 19:40:57.451Z	115.109° SE	2025-10-17 19:44:57.451Z	64.967° ENE	26.291°	2025-10-17 19:49:57.451Z	9.226° NNE
10 mins	2025-10-17 21:23:57.451Z	199.564° SSW	2025-10-17 21:27:57.451Z	265.078° W	35.08°	2025-10-17 21:33:57.451Z	334.222° NNW

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, 25403 on other resources

View SL-16 DEB, 25403 on Heavens-Above

View SL-16 DEB, 25403 on Keep Track

View SL-16 DEB, 25403 on Celestrak

View SL-16 DEB, 25403 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, 25403

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2025-10-16T22:59:04.907Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #43 in the year 1998 (1998-07-10 UTC)

SL-16 DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out SL-16 DEB, 25403 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago