COSMOS 1900 DEB, 43501

Orbit data source: Space-Track

COSMOS 1900 DEB, 43501 is space debris in LEO originally from a launch on Sat, 12 Dec 1987 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/43501?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

43501, 1987-101F

Orbit

LEO

Last TLE update

1 day ago

Origin

Russian Navy (CIS)

Manufacturer

Unknown

Mission

Spacecraft

Bus & Motor

Unknown

Mass

Unknown

Launch date (UTC)

1987-12-12 (38 years ago)

Launch vehicle

Unknown

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Small (<0.1 m²)

Expand to show TLE details & history

TLE from 1 day ago

0 COSMOS 1900 DEB
1 43501U 87101F   25198.66366150  .00000220  00000-0  70192-4 0  9995
2 43501  66.0812 220.1417 0043381 293.1054  66.5483 14.58058570187492

Epoch: 2025-07-17T15:55Z

TLE epoch observation values (Epoch: 2025-07-17T15:55:40.353Z)

Latitude

-0.00008°

Longitude

45.49729°

Altitude

689.427 km

Speed

7.519 km/s

True Right ascension

14h 40m 33s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

39.87692°

Longitude

63.44561°

Altitude

715.687 km

Speed

7.496 km/s

Apparent Right ascension

19h 38m 52s

Apparent Declination

5° 24' 41"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:12:07

Azimuth

71.563° E

Elevation

-12.806°

Doppler factor

Orbital elements

Apogee altitude

728.574 km

Perigee altitude

667.181 km

Semi-major axis

7,076.014 km

Eccentricity

0.00434

Inclination

66.0812°

RAAN

220.1417°

Arg. of periapsis

293.1054°

True anomaly

67.00533°

Mean anomaly

66.5483°

Eccentric anomaly

66.77672°

Mean motion

3.64636 °/min

Orbital period

98.73 mins

BSTAR

0.000070192

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Other satellites on launch #101 in the year 1987 (1987-12-12 UTC)

COSMOS 1900, 18665

COSMOS 1900 DEB, 19553 (Decayed)

COSMOS 1900 DEB, 19589 (Decayed)

COSMOS 1900 DEB, 43499

COSMOS 1900 DEB, 43500

COSMOS 1900 DEB Visibility forecast

Observer location: undefined°, undefined°

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.
8 mins	2025-07-19 02:37:31.040Z	191.567° SSW	2025-07-19 02:41:31.040Z	119.314° SE	40.172°	2025-07-19 02:45:31.040Z	40.486° NE
5 mins	2025-07-19 04:21:31.040Z	284.041° WNW	2025-07-19 04:23:31.040Z	314.847° NW	19.252°	2025-07-19 04:26:31.040Z	356.244° N
7 mins	2025-07-19 11:16:31.040Z	353.088° N	2025-07-19 11:19:31.040Z	44.772° NE	31.746°	2025-07-19 11:23:31.040Z	116.419° SE
6 mins	2025-07-19 12:58:31.040Z	293.072° NW	2025-07-19 13:01:31.040Z	242.426° WSW	24.045°	2025-07-19 13:04:31.040Z	199.648° SSW

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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Check out COSMOS 1900 DEB, 43501 on other resources

View COSMOS 1900 DEB, 43501 on Heavens-Above

View COSMOS 1900 DEB, 43501 on Keep Track

View COSMOS 1900 DEB, 43501 on Celestrak

View COSMOS 1900 DEB, 43501 on Gunter's Space Page

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