SL-16 DEB, 25401

Orbit data source: Space-Track

SL-16 DEB, 25401 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 src="https://www.satcat.com/sats-embedded/25401?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/25401?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

25401, 1998-043H

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: 1 day ago

TLE from 1 day ago

0 SL-16 DEB
1 25401U 98043H   26093.32767542  .00000049  00000-0  58892-4 0  9991
2 25401  98.5380 221.8510 0161040 184.2408 231.7270 13.94815741410117

Epoch: 2026-04-03T07:51Z

TLE epoch observation values (Epoch: 2026-04-03T07:51:51.156Z)

Latitude

53.75332°

Longitude

-99.52986°

Altitude

994.465 km

Speed

7.322 km/s

True Right ascension

14h 00m 23s

True Declination

53° 35' 40"

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

14:54:40

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,026.338 km

Perigee altitude

791.634 km

Semi-major axis

7,287.123 km

Eccentricity

0.0161

Inclination

98.538°

RAAN

221.851°

Arg. of periapsis

184.2408°

True anomaly

230.29625°

Mean anomaly

231.727°

Eccentric anomaly

231.00983°

Mean motion

3.48906 °/min

Orbital period

103.18 mins

BSTAR

0.000058892

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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.
10 mins	2026-04-04 09:31:21.388Z	208.53° SW	2026-04-04 09:36:21.388Z	261.879° W	25.123°	2026-04-04 09:41:21.388Z	320.463° NNW
6 mins	2026-04-04 20:23:21.388Z	55.918° ENE	2026-04-04 20:26:21.388Z	101.113° ESE	21.529°	2026-04-04 20:29:21.388Z	140.539° SSE
8 mins	2026-04-04 22:04:21.388Z	352.304° N	2026-04-04 22:08:21.388Z	282.561° WNW	32.881°	2026-04-04 22:12:21.388Z	225.098° WSW
10 mins	2026-04-05 07:56:21.388Z	138.613° SSE	2026-04-05 08:00:21.388Z	77.928° E	38.111°	2026-04-05 08:06:21.388Z	357.313° N

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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, 25401 on other resources

View SL-16 DEB, 25401 on Heavens-Above

View SL-16 DEB, 25401 on Keep Track

View SL-16 DEB, 25401 on Celestrak

View SL-16 DEB, 25401 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, 25401

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 1 day ago

TLE from 1 day ago

TLE epoch observation values (Epoch: 2026-04-03T07:51:51.156Z)

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, 25401 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 1 day ago