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MOLNIYA 1-91, 25485

Orbit data source: Space-Track

MOLNIYA 1-91, 25485 is a payload satellite owned by VKS RVSN (CIS) in HEO that was launched on Mon, 28 Sep 1998 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/25485?theme=dark&initialShowStats=false

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Identifier

25485, 1998-054A

Orbit

HEO

Last TLE update

13 hours ago

Origin

Russian Space Forces (CIS)

Manufacturer

NPO PM

Mission

Defense Communications

Bus & Motor

MOLNIYA-1T, Unknown motor

Mass

1,670 kg wet, ~1,620 kg dry

Launch date (UTC)

1998-09-28 (27 years ago)

Launch vehicle

MOLNIYA 8K78M

Launch site

Plesetsk Missile And Space Complex (PKMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + Cone + 6 Pan, 8.6 m

Radar Cross Section

15.107 m², Large (>1 m²)

Expand to show TLE details & history

TLE from 13 hours ago

0 MOLNIYA 1-91
1 25485U 98054A   25113.67088343 -.00000023  00000-0  00000-0 0  9997
2 25485  64.4550 347.1984 6797133 287.9979  12.7908  2.36440916203651

Epoch: 2025-04-23T16:06Z

Definitive object data (Epoch: 2025-04-23T16:06:04.328Z)

Latitude

-0.00003°

Longitude

-106.22749°

Altitude

4,242.225 km

Speed

7.637 km/s

True Right ascension

23h 08m 58s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at TLE epoch

Visualization TLE readout

Latitude

64.45273°

Longitude

-18.39962°

Altitude

29,525.054 km

Speed

2.338 km/s

Apparent Right ascension

03h 59m 10s

Apparent Declination

58° 02' 44"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

12:13:26

Azimuth

332.26° NNW

Elevation

18.662°

Doppler factor

Orbital elements

Apogee altitude

33,598.224 km

Perigee altitude

1,244.531 km

Semi-major axis

23,799.515 km

Eccentricity

0.6797133

Inclination

64.455°

RAAN

347.1984°

Arg. of periapsis

287.9979°

True anomaly

72.14065°

Mean anomaly

12.7908°

Eccentric anomaly

35.28943°

Mean motion

0.59114 °/min

BSTAR

Unknown

Orbital period

608.99 mins

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Other satellites on launch #54 in the year 1998 (1998-09-28 UTC)

SL-6 R/B(1), 25486 (Decayed)

SL-6 PLAT, 25487 (Decayed)

SL-6 R/B(2), 25488 (Decayed)

MOLNIYA 1-91 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.
226 mins	2025-04-24 05:03:58.524Z	332.251° NNW	2025-04-24 06:18:58.524Z	327.349° NNW	20.596°	2025-04-24 08:49:58.524Z	314.459° NW
369 mins	2025-04-24 12:41:58.524Z	85.951° E	2025-04-24 13:50:58.524Z	42.138° NE	23.318°	2025-04-24 18:50:58.524Z	43.878° NE
349 mins	2025-04-24 23:14:58.524Z	302.626° NW	2025-04-25 03:46:58.524Z	314.805° NW	38.031°	2025-04-25 05:03:58.524Z	298.166° NW

Authenticating...

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Check out MOLNIYA 1-91, 25485 on other resources

View MOLNIYA 1-91, 25485 on NASA - NSSDCA Website

View MOLNIYA 1-91, 25485 on Heavens-Above

View MOLNIYA 1-91, 25485 on Keep Track

View MOLNIYA 1-91, 25485 on Celestrak

View MOLNIYA 1-91, 25485 on Gunter's Space Page

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