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COSMOS 2076, 20596

Orbit data source: Space-Track

COSMOS 2076, 20596 is a payload satellite owned by PVO (CIS) in HEO that was launched on Sat, 28 Apr 1990 UTC via an MOLNIYA 8K78M launch vehicle from the Plesetsk Missile And Space Complex (PKMTR). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

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https://www.satcat.com/sats-embedded/20596?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

20596, 1990-040A

Orbit

HEO

Country

CIS

Related business

Russian Aerospace Forces (RU)

Manufacturer

NPOL/KOMET

Mission

Defense Early Warn

Bus & Motor

OKO, Unknown motor

Mass

~1,250 kg wet, ~1,150 kg dry

Launch date (UTC)

1990-04-28 (36 years ago)

Launch vehicle

MOLNIYA 8K78M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + 2 Pan, 2.5 m

Radar Cross Section

6.333 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 9 months ago

TLE from 9 months ago

0 COSMOS 2076
1 20596U 90040A   25259.55383186  .00000018  00000-0  00000+0 0  9995
2 20596  68.6654 210.2926 4874395 113.6019  23.9114  2.00705145259260

Epoch: 2025-09-16T13:17Z

TLE epoch observation values (Epoch: 2025-09-16T13:17:31.072Z)

Latitude

-1.39187°

Longitude

-164.29153°

Altitude

10,706.526 km

Speed

5.626 km/s

True Right ascension

02h 03m 19s

True Declination

-1° 23' 18"

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

18:28:46

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

33,109.104 km

Perigee altitude

7,228.87 km

Semi-major axis

26,547.124 km

Eccentricity

0.48744

Inclination

68.6654°

RAAN

210.2926°

Arg. of periapsis

113.6019°

True anomaly

67.63816°

Mean anomaly

23.9114°

Eccentric anomaly

42.93534°

Mean motion

0.50178 °/min

Orbital period

717.44 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #40 in the year 1990 (1990-04-28 UTC)

SL-6 R/B(1), 20597 (Decayed)

SL-6 R/B(2), 20599

SL-6 PLAT, 20598 (Decayed)

SL-6 DEB, 20600 (Decayed)

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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

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COSMOS 2076 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.
102 mins	2026-06-04 14:05:01.590Z	331.545° NNW	2026-06-04 14:41:01.590Z	255.554° W	44.578°	2026-06-04 15:47:01.590Z	175.803° S
114 mins	2026-06-05 00:08:01.590Z	131.704° SE	2026-06-05 01:27:01.590Z	82.831° E	31.46°	2026-06-05 02:02:01.590Z	28.81° NE

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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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Click to sort rows by RSO header in ascending order	Click to sort rows by Country header in ascending order	Click to sort rows by Type header in ascending order	Click to sort rows by Inclination Δ header in ascending order	Click to sort rows by RAAN Δ header in ascending order	Click to sort rows by Coplanar Angle header in ascending order	Click to sort rows by SMA Δ header in ascending order	Click to sort rows by Orbital period header in ascending order	Click to sort rows by <5km Md TCA header in descending order

CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out COSMOS 2076, 20596 on other resources

View COSMOS 2076, 20596 on NASA - NSSDCA Website

View COSMOS 2076, 20596 on Heavens-Above

View COSMOS 2076, 20596 on Keep Track

View COSMOS 2076, 20596 on Celestrak

View COSMOS 2076, 20596 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 2076, 20596

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 9 months ago

TLE from 9 months ago

TLE epoch observation values (Epoch: 2025-09-16T13:17:31.072Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #40 in the year 1990 (1990-04-28 UTC)

COSMOS 2076 Visibility forecast

Co-orbital & Co-planar RSOs

Check out COSMOS 2076, 20596 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 9 months ago