**COSMOS 252 DEB *, 3938**

Orbit data source: Space-Track

COSMOS 252 DEB *, 3938 is space debris in LEO originally from a launch on Fri, 01 Nov 1968 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/3938?theme=dark&initialShowStats=false

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Identifier

3938, 1968-097BS

Orbit

LEO

Country

CIS

Related business

Russian Space Forces (RU)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1968-11-01 (57 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown shape, 0.1 m

Radar Cross Section

Small (<0.1 m²)

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

TLE from 8 hours ago

0 COSMOS 252 DEB *
1  3938U 68097BS  26076.89306193  .00000512  00000-0  38558-3 0  9993
2  3938  63.0360 356.9499 1060838 312.1327 102.2352 12.56285324559465

Epoch: 2026-03-17T21:26Z

TLE epoch observation values (Epoch: 2026-03-17T21:26:00.550Z)

Latitude

54.52736°

Longitude

-94.73665°

Altitude

1,702.64 km

Speed

6.913 km/s

True Right ascension

02h 48m 55s

True Declination

54° 23' 01"

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

09:52:25

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,266.305 km

Perigee altitude

608.139 km

Semi-major axis

7,815.359 km

Eccentricity

0.10608

Inclination

63.036°

RAAN

356.9499°

Arg. of periapsis

312.1327°

True anomaly

113.71337°

Mean anomaly

102.2352°

Eccentric anomaly

108.01536°

Mean motion

3.14138 °/min

Orbital period

114.6 mins

BSTAR

0.00038558

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Other satellites on launch #97 in the year 1968 (1968-11-01 UTC)

COSMOS 252 DEB, 5432 (Decayed)

COSMOS 252 DEB, 9973

COSMOS 252 DEB, 3788

COSMOS 252 DEB, 18490

COSMOS 252 DEB *, 3686

COSMOS 252 DEB, 3565

COSMOS 252 DEB, 3569

COSMOS 252 DEB *, 5322

COSMOS 252 DEB *, 3690

COSMOS 252 DEB, 3555

COSMOS 252 DEB, 4011 (Decayed)

COSMOS 252 DEB, 4018 (Decayed)

COSMOS 252 DEB *, 18597

COSMOS 252 DEB, 3561

COSMOS 252 DEB, 3557

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COSMOS 252 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.
25 mins	2026-03-18 05:17:46.288Z	324.161° NNW	2026-03-18 05:30:46.288Z	200.637° SSW	44.803°	2026-03-18 05:42:46.288Z	152.772° SSE
17 mins	2026-03-18 07:19:46.288Z	301.998° NW	2026-03-18 07:27:46.288Z	260.469° W	24.262°	2026-03-18 07:36:46.288Z	211.36° SW
15 mins	2026-03-18 20:08:46.288Z	199.301° SSW	2026-03-18 20:14:46.288Z	95.55° ESE	43.386°	2026-03-18 20:23:46.288Z	37.696° NE
15 mins	2026-03-18 22:08:46.288Z	272.436° WNW	2026-03-18 22:14:46.288Z	333.155° NNW	30.557°	2026-03-18 22:23:46.288Z	28.846° NE
14 mins	2026-03-19 00:11:46.288Z	319.713° NNW	2026-03-19 00:17:46.288Z	359.258° N	20.496°	2026-03-19 00:25:46.288Z	40.667° NE
19 mins	2026-03-19 02:12:46.288Z	333.656° NNW	2026-03-19 02:21:46.288Z	28.507° NE	26.409°	2026-03-19 02:31:46.288Z	80.023° E
24 mins	2026-03-19 04:11:46.288Z	329.175° NNW	2026-03-19 04:23:46.288Z	57.653° ENE	42.218°	2026-03-19 04:35:46.288Z	129.992° SE

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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 COSMOS 252 DEB *, 3938 on other resources

View COSMOS 252 DEB *, 3938 on Heavens-Above

View COSMOS 252 DEB *, 3938 on Keep Track

View COSMOS 252 DEB *, 3938 on Celestrak

View COSMOS 252 DEB *, 3938 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

COSMOS 252 DEB *, 3938

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: 2026-03-17T21:26:00.550Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #97 in the year 1968 (1968-11-01 UTC)

COSMOS 252 DEB * Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 252 DEB *, 3938 on other resources

Documentation

**COSMOS 252 DEB *, 3938**

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