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RADIO ROSTO, 23439

Orbit data source: Space-Track

RADIO ROSTO, 23439 is a payload satellite owned by NPO PM (CIS) in LEO that was launched on Mon, 26 Dec 1994 UTC via an ROKOT launch vehicle from the Tyuratam Missile And Space Complex (TTMTR). 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/23439?theme=dark&initialShowStats=false

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Identifier

23439, 1994-085A

Orbit

LEO

Country

CIS

Related business

Federal Space Agency of Russia (Roscosmos) (RU)

Manufacturer

NPO PM

Mission

Partially operational Civil Communications

Bus & Motor

STRELA-1M, Unknown motor

Mass

70 kg wet, 70 kg dry

Launch date (UTC)

1994-12-26 (31 years ago)

Launch vehicle

ROKOT

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Sphere, Unknown HBR

Radar Cross Section

0.785 m², Medium (>0.1 m² and < 1m²)

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

TLE from 8 hours ago

0 RADIO ROSTO
1 23439U 94085A   26062.48729517 -.00000012  00000-0  87855-3 0  9996
2 23439  64.8146 114.1652 0152441  23.1978 337.5733 11.27583800283985

Epoch: 2026-03-03T11:41Z

TLE epoch observation values (Epoch: 2026-03-03T11:41:42.302Z)

Latitude

-0.00008°

Longitude

137.47326°

Altitude

1,905.893 km

Speed

6.987 km/s

True Right ascension

07h 36m 39s

True Declination

0° 00' 00"

Sunlit

Object was in partial shadow 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

23:33:11

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,149.161 km

Perigee altitude

1,893.083 km

Semi-major axis

8,399.259 km

Eccentricity

0.01524

Inclination

64.8146°

RAAN

114.1652°

Arg. of periapsis

23.1978°

True anomaly

336.89495°

Mean anomaly

337.5733°

Eccentric anomaly

337.23533°

Mean motion

2.81956 °/min

Orbital period

127.68 mins

BSTAR

0.00087855

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Other satellites on launch #85 in the year 1994 (1994-12-26 UTC)

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RADIO ROSTO 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	2026-03-04 02:43:16.125Z	125.213° SE	2026-03-04 02:48:16.125Z	95.73° ESE	15.01°	2026-03-04 02:53:16.125Z	67.076° ENE
20 mins	2026-03-04 04:49:16.125Z	199.769° SSW	2026-03-04 04:58:16.125Z	119.828° SE	44.244°	2026-03-04 05:09:16.125Z	34.517° NE
18 mins	2026-03-04 07:03:16.125Z	263.201° W	2026-03-04 07:12:16.125Z	327.519° NNW	29.785°	2026-03-04 07:21:16.125Z	24.707° NE
13 mins	2026-03-04 09:23:16.125Z	322.648° NNW	2026-03-04 09:29:16.125Z	358.984° N	17.832°	2026-03-04 09:36:16.125Z	38.288° NE
18 mins	2026-03-04 11:38:16.125Z	338.115° N	2026-03-04 11:46:16.125Z	28.788° NE	26.765°	2026-03-04 11:56:16.125Z	89.71° E
21 mins	2026-03-04 13:51:16.125Z	328.981° NNW	2026-03-04 14:01:16.125Z	91.709° ESE	44.865°	2026-03-04 14:12:16.125Z	148.132° SSE
15 mins	2026-03-04 16:05:16.125Z	299.785° NW	2026-03-04 16:12:16.125Z	256.871° W	23.105°	2026-03-04 16:20:16.125Z	211.845° SW

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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 RADIO ROSTO, 23439 on other resources

View RADIO ROSTO, 23439 on NASA - NSSDCA Website

View RADIO ROSTO, 23439 on Heavens-Above

View RADIO ROSTO, 23439 on Keep Track

View RADIO ROSTO, 23439 on Celestrak

View RADIO ROSTO, 23439 on Gunter's Space Page

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

RADIO ROSTO, 23439

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: 2026-03-03T11:41:42.302Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #85 in the year 1994 (1994-12-26 UTC)

RADIO ROSTO Visibility forecast

Co-orbital & Co-planar RSOs

Check out RADIO ROSTO, 23439 on other resources

Documentation

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