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IONOSFERA-M 04, 64877

Orbit data source: Space-Track

IONOSFERA-M 04, 64877 is a payload satellite owned by VNIIEM (CIS) in SSO that was launched on Fri, 25 Jul 2025 UTC via a SOYUZ-2-1B launch vehicle from the Vostochny Cosmodrome (VOSTO). 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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Iframe URL

https://www.satcat.com/sats-embedded/64877?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

64877, 2025-155B

Orbit

SSO

Last TLE update

15 hours ago

Origin

VNIIEMI (CIS)

Manufacturer

VNIIEM

Mission

Operational spacecraft

Bus & Motor

IONOSFERA-M, Unknown motor

Mass

430 kg wet, 430 kg dry

Launch date (UTC)

2025-07-25 (3 weeks ago)

Launch vehicle

SOYUZ-2-1B

Launch site

Vostochny Cosmodrome (VOSTO)

Object type

Payload

Rocket body

Debris

Shape & HBR

Unknown

Radar Cross Section

Large (>1 m²)

Expand to show TLE details & history

TLE from 15 hours ago

0 IONOSFERA-M 04
1 64877U 25155B   25224.75219280  .00000069  00000-0  51226-4 0  9994
2 64877  98.5562 190.1368 0001723  63.3161 296.8193 14.21190886  2583

Epoch: 2025-08-12T18:03Z

TLE epoch observation values (Epoch: 2025-08-12T18:03:09.457Z)

Latitude

-0.00004°

Longitude

-42.09293°

Altitude

823.689 km

Speed

7.442 km/s

True Right ascension

12h 40m 32s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

31.69544°

Longitude

-46.77557°

Altitude

824.289 km

Speed

7.444 km/s

Apparent Right ascension

12h 08m 44s

Apparent Declination

-1° 35' 32"

Sunlit

Object is in daylight

Visualization observer readout

Local Sidereal Time

23:52:23

Azimuth

353.422° N

Elevation

-51.496°

Doppler factor

Orbital elements

Apogee altitude

819.718 km

Perigee altitude

817.238 km

Semi-major axis

7,196.615 km

Eccentricity

0.00017

Inclination

98.5562°

RAAN

190.1368°

Arg. of periapsis

63.3161°

True anomaly

296.80168°

Mean anomaly

296.8193°

Eccentric anomaly

296.81049°

Mean motion

3.55509 °/min

Orbital period

101.26 mins

BSTAR

0.000051226

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Other satellites on launch #155 in the year 2025 (2025-07-25 UTC)

IONOSFERA-M 03, 64876

IONOSFERA-M 04 Visibility forecast

Observer location: undefined°, undefined°
Set Observer location

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.
8 mins	2025-08-13 09:51:34.319Z	40.104° NE	2025-08-13 09:55:34.319Z	102.236° ESE	27.868°	2025-08-13 09:59:34.319Z	156.465° SSE
7 mins	2025-08-13 11:32:34.319Z	339.148° N	2025-08-13 11:35:34.319Z	287.696° WNW	27.422°	2025-08-13 11:39:34.319Z	234.286° WSW
8 mins	2025-08-13 21:13:34.319Z	137.501° SSE	2025-08-13 21:16:34.319Z	88.895° E	36.395°	2025-08-13 21:21:34.319Z	359.977° N
5 mins	2025-08-13 22:55:34.319Z	240.613° WSW	2025-08-13 22:57:34.319Z	269.433° W	18.994°	2025-08-13 23:00:34.319Z	307.757° NW

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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Authenticating...

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Check out IONOSFERA-M 04, 64877 on other resources

View IONOSFERA-M 04, 64877 on NASA - NSSDCA Website

View IONOSFERA-M 04, 64877 on Heavens-Above

View IONOSFERA-M 04, 64877 on Keep Track

View IONOSFERA-M 04, 64877 on Celestrak

View IONOSFERA-M 04, 64877 on Gunter's Space Page

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