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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

1 day 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 1 day ago

0 MOLNIYA 1-91
1 25485U 98054A   25169.07619414 -.00000149  00000-0  00000-0 0  9990
2 25485  64.5047 338.7703 6783741 287.4342  12.9338  2.36440079204961

Epoch: 2025-06-18T01:49Z

TLE epoch observation values (Epoch: 2025-06-18T01:49:43.173Z)

Latitude

0.00023°

Longitude

44.76515°

Altitude

4,295.092 km

Speed

7.613 km/s

True Right ascension

22h 35m 02s

True Declination

0° 00' 01"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

39.8864°

Longitude

-158.87205°

Altitude

25,954.913 km

Speed

2.813 km/s

Apparent Right ascension

08h 20m 33s

Apparent Declination

31° 51' 12"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

16:14:52

Azimuth

311.741° NW

Elevation

1.545°

Doppler factor

Orbital elements

Apogee altitude

33,566.447 km

Perigee altitude

1,276.422 km

Semi-major axis

23,799.571 km

Eccentricity

0.67837

Inclination

64.5047°

RAAN

338.7703°

Arg. of periapsis

287.4342°

True anomaly

Unknown

Mean anomaly

12.9338°

Eccentric anomaly

Unknown

Mean motion

0.59114 °/min

Orbital period

608.99 mins

BSTAR

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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.
393 mins	2025-06-19 08:31:34.148Z	91.498° ESE	2025-06-19 09:41:34.148Z	43.524° NE	24.354°	2025-06-19 15:04:34.148Z	47.862° ENE
485 mins	2025-06-19 19:09:34.148Z	303.963° NW	2025-06-19 23:37:34.148Z	315.361° NNW	37.418°	2025-06-20 03:14:34.148Z	255.413° W

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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