Key statistics
Satellite OBJECT C at a glance.
Uptime
20
Days in orbit
Revolutions
≈ 15.2
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for OBJECT C.
Object identification
Identified? True
Debris? False
Object name: OBJECT C
International designator: 2025-155C
Object number (NORAD): 64878
Object ID (CCSDS): 64878
Country: TO BE DETERMINED/UNKNOWN (TBD)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 94.657 minutes
Inclination: 97.4123 deg
SMA: 6880.101 km
Apoapsis: 509.981 km
Periapsis: 493.951 km
RAAN: 190.8577 deg
Eccentricy: 0.001165
Argument of periapsis: 175.9866 deg
Mean anomaly: 184.1465 deg
Mean motion: 15.21284868 rev/day
Mean motion (dot): 0.00003592 rev/day2
B* drag term: 0.0001635 1/REarth
Two-line elements (TLE)
Creation date: Aug. 14, 2025, 2:27 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Aug. 13, 2025, 9:50 p.m. UTC
TLE line 0: 0 OBJECT C
TLE line 1: 1 64878U 25155C 25225.91018584 .00003592 00000-0 16350-3 0 9990
TLE line 2: 2 64878 97.4123 190.8577 0011650 175.9866 184.1465 15.21284868 33890
Live tracking on map
Real-time ground track for satellite OBJECT C.
In-orbit conjunctions
There are no conjunctions computed for OBJECT C, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Ionosfera is a constellation of four ionospheric and magnetospheric research satellites developed by for Roscosmos for the project Ionozond. The satellites will operate on circular sun-synchronous orbits (SSO), at altitude of about 800 km and located in two orbital planes of two satellites each. The following science instruments are carried on the satellites: * SPER/1 Plasma and energy radiation spectrometer * SG/1 Gamma-ray spectrometer * GALS/1 Galactic cosmic ray spectrometer / 1 * LAERTES On-board Ionosonde * NBK/2 Low-frequency wave complex * ESEP Ionospheric plasma energy spectrometer * Ozonometer-TM Ozonometer * MayaK On-board radio transmitters * PES GPS-GLONASS device
OBJECT C was lifted into orbit during the mission ‘Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4’, on board a Soyuz 2.1b/Fregat-M space rocket.
The launch took place on July 25, 2025, 5:54 a.m. from Cosmodrome Site 1S.
For more information about the launch, click the button.

Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4
Agency: N/A
Status: Launch Successful
Launch date: July 25, 2025, 5:54 a.m. UTC
Rocket: Soyuz 2.1b/Fregat-M
Launch pad: Cosmodrome Site 1S
Location: Vostochny Cosmodrome, Siberia, Russian Federation
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