CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-1021
SITRO-AIS-35
SITRO-AIS-35 (NORAD 59056) re-entered Earth’s atmosphere on 13 May 2025, after 1 year, 2 months in orbit.
Official dateIdentified from the historical record
NORAD number
59056
International designator
2024-039F
Object type
Spacecraft
Official listing
OBJECT FListed as an unidentified object
Country
Not recorded
Launched
29 Feb 2024Vostochny Cosmodrome
Re-entered (UTC)
13 May 2025UTC calendar day
Time in orbit
1 year, 2 months439 days
How it ended
Re-entered (natural decay)
Latitude range
82.6°N to 82.6°SFinal inclination 97.4°
Mass
3 kg
Operator
Sitronics
Built by
Sputniks
Bus
Cubesat 3U?
Programme
Sputnix
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 97.4°, allowed a re-entry anywhere between 82.6°N and 82.6°S.
Life in orbit
1 year, 2 monthsSITRO-AIS-35’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 13 May 2025
19 entriesFrom the same launch
2024-0392025-0940SITRO-AIS-502025-0941SITRO-AIS-512025-0942SITRO-AIS-522025-1018SITRO-AIS-292025-1019SITRO-AIS-312025-1020SITRO-AIS-332025-1022SITRO-AIS-342025-1023SITRO-AIS-362025-1049SITRO-AIS-302025-1050SITRO-AIS-322025-1051SITRO-AIS-49PendingZorkiy-2M No. 2In orbitMeteor-M No. 2-4In orbitPars-1In orbitSITRO-AIS-25In orbitSITRO-AIS-26In orbitSITRO-AIS-27In orbitSITRO-AIS-28
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-1021
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-1021
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.