SL-16 DEB, 25402

Orbit data source: Space-Track

SL-16 DEB, 25402 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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Iframe URL

https://www.satcat.com/sats-embedded/25402?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25402, 1998-043J

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 (28 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: 14 hours ago

TLE from 14 hours ago

0 SL-16 DEB
1 25402U 98043J   26093.70416703  .00000227  00000-0  17761-3 0  9991
2 25402  99.2372 153.4699 0152897 202.6283 280.1407 13.96928137412254

Epoch: 2026-04-03T16:54Z

TLE epoch observation values (Epoch: 2026-04-03T16:54:00.031Z)

Latitude

57.84609°

Longitude

-97.15145°

Altitude

896.181 km

Speed

7.419 km/s

True Right ascension

23h 13m 31s

True Declination

57° 41' 38"

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

12:58:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,012.972 km

Perigee altitude

790.36 km

Semi-major axis

7,279.803 km

Eccentricity

0.01529

Inclination

99.2372°

RAAN

153.4699°

Arg. of periapsis

202.6283°

True anomaly

278.41044°

Mean anomaly

280.1407°

Eccentric anomaly

279.27612°

Mean motion

3.49433 °/min

Orbital period

103.02 mins

BSTAR

0.00017761

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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.
9 mins	2026-04-04 16:59:12.997Z	11.043° NNE	2026-04-04 17:03:12.997Z	261.44° W	44.585°	2026-04-04 17:08:12.997Z	199.789° SSW
9 mins	2026-04-05 02:50:12.997Z	118.829° SE	2026-04-05 02:54:12.997Z	71.599° E	27.38°	2026-04-05 02:59:12.997Z	9.445° NNE
10 mins	2026-04-05 04:31:12.997Z	194.912° SSW	2026-04-05 04:36:12.997Z	264.792° W	34.413°	2026-04-05 04:41:12.997Z	329.005° NNW

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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, 25402 on other resources

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View SL-16 DEB, 25402 on Keep Track

View SL-16 DEB, 25402 on Celestrak

View SL-16 DEB, 25402 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, 25402

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-04-03T16:54:00.031Z)

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, 25402 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago