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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: 5 hours ago

TLE from 5 hours ago

0 RADIO ROSTO
1 23439U 94085A   26007.85481288 -.00000021  00000-0  60186-3 0  9994
2 23439  64.8118 202.5164 0150675  33.5933 327.4436 11.27583670277826

Epoch: 2026-01-07T20:30Z

TLE epoch observation values (Epoch: 2026-01-07T20:30:55.832Z)

Latitude

0.00002°

Longitude

147.36649°

Altitude

1,917.855 km

Speed

6.977 km/s

True Right ascension

13h 30m 03s

True Declination

0° 00' 00"

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

01:29:59

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

2,147.679 km

Perigee altitude

1,894.567 km

Semi-major axis

8,399.26 km

Eccentricity

0.01507

Inclination

64.8118°

RAAN

202.5164°

Arg. of periapsis

33.5933°

True anomaly

326.49953°

Mean anomaly

327.4436°

Eccentric anomaly

326.97307°

Mean motion

2.81956 °/min

Orbital period

127.68 mins

BSTAR

0.00060186

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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.
18 mins	2026-01-08 01:27:00.420Z	310.034° NW	2026-01-08 01:36:00.420Z	256.753° W	26.705°	2026-01-08 01:45:00.420Z	203.429° SW
18 mins	2026-01-08 13:38:00.420Z	178.592° S	2026-01-08 13:46:00.420Z	118.228° SE	37.768°	2026-01-08 13:56:00.420Z	41.459° NE
19 mins	2026-01-08 15:50:00.420Z	244.684° WSW	2026-01-08 15:59:00.420Z	316.263° NNW	36.75°	2026-01-08 16:09:00.420Z	26.235° NE
13 mins	2026-01-08 18:09:00.420Z	308.482° NW	2026-01-08 18:15:00.420Z	346.044° N	19.189°	2026-01-08 18:22:00.420Z	27.529° NE
15 mins	2026-01-08 20:26:00.420Z	338.396° N	2026-01-08 20:33:00.420Z	21.994° NNE	21.702°	2026-01-08 20:41:00.420Z	69.335° E
21 mins	2026-01-08 22:39:00.420Z	334.345° NNW	2026-01-08 22:48:00.420Z	41.712° NE	41.131°	2026-01-08 23:00:00.420Z	130.887° SE
19 mins	2026-01-09 00:52:00.420Z	311.139° NW	2026-01-09 01:00:00.420Z	256.945° W	32.97°	2026-01-09 01:11:00.420Z	188.53° SSW

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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: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-01-07T20:30:55.832Z)

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: 5 hours ago