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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

Country

CIS

Related business

None

Manufacturer

VNIIEM

Mission

Operational spacecraft

Bus & Motor

IONOSFERA-M, Unknown motor

Mass

430 kg wet, 430 kg dry

Launch date (UTC)

2025-07-25 (1 month 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
Last TLE update: 8 hours ago

TLE from 8 hours ago

0 IONOSFERA-M 04
1 64877U 25155B   25242.91624585  .00000153  00000-0  89743-4 0  9999
2 64877  98.5593 207.7424 0001162  48.1959 311.9318 14.21195489  5167

Epoch: 2025-08-30T21:59Z

TLE epoch observation values (Epoch: 2025-08-30T21:59:23.641Z)

Latitude

0.00001°

Longitude

-101.44978°

Altitude

823.674 km

Speed

7.442 km/s

True Right ascension

13h 50m 58s

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

21:39:51

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

819.299 km

Perigee altitude

817.626 km

Semi-major axis

7,196.599 km

Eccentricity

0.00012

Inclination

98.5593°

RAAN

207.7424°

Arg. of periapsis

48.1959°

True anomaly

311.92189°

Mean anomaly

311.9318°

Eccentric anomaly

311.92685°

Mean motion

3.5551 °/min

Orbital period

101.26 mins

BSTAR

0.000089743

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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.
10 mins	2025-08-31 10:23:38.634Z	19.693° NNE	2025-08-31 10:28:38.634Z	113.286° SE	42.583°	2025-08-31 10:33:38.634Z	184.535° SSW
4 mins	2025-08-31 12:06:38.634Z	316.475° NNW	2025-08-31 12:07:38.634Z	303.601° NW	15.549°	2025-08-31 12:10:38.634Z	266.757° W
8 mins	2025-08-31 21:46:38.634Z	170.377° S	2025-08-31 21:49:38.634Z	201.039° SSW	44.135°	2025-08-31 21:54:38.634Z	344.326° N