Russia: Orbit Decay of Missile Warning Satellites?
5 Jan 2026: Russia appears to be struggling to maintain its 4-satellite missile warning constellation. The Tundra/Kupol constellation was meant to consist of 8-10 satellites (as it had…
11 reports match “Jonathan McDowell”. Browse every relevant article across the Integrity Flash archive.
5 Jan 2026: Russia appears to be struggling to maintain its 4-satellite missile warning constellation. The Tundra/Kupol constellation was meant to consist of 8-10 satellites (as it had…
21 Nov 2025: China launched a LM-3B with the TJS-21 satellite from the Xichang. According to official sources, the satellite entered the planned orbit successfully and “will be…
16 Sep 2025: China launched a Long March-2C with a Yuanzheng-1S upper stage carrying 4 test satellites for the Guowang constellation (65617-65620) from Jiuquan. Jonathan McDowell has labeled…
9 Sep 2025: China launched a Long March-7A with the Yaogan-45 (65563) satellite from Wenchang. Official sources noted the satellite entered the planned orbit and “will be mainly…
15 Feb 2022: Amateur satellite tracker Scott Tilley (noted previously) and others, have been following Chang'e-5's travels through space and provide evidence for the new lunar orbit following…
30 Aug 2023: A three-decade-old Soviet satellite has disintegrated in orbit some 1,400 kilometers above Earth, likely following a space debris strike. The disintegration of the satellite ,…
27 Sep 2023: Iran (specifically the Iranian Revolutionary Guard Corp ) successfully launched its third reconnaissance satellite, the Noor-3, using the three-stage Qasem rocket from Shahroud. Noor-3 is…
20 Jul: China launched a Long March-4C with the Shiyan-28B 01 (64753) satellite Xichang on 3 Jul 2025. According to official sources, the satellite entered the desired orbit…
The United States has accused Russia of conducting on-orbit counterspace testing in the past. Testing thus far has not resulted in the creation of space debris. Below is…
The United States has accused Russia of conducting on-orbit counterspace testing in the past. Testing thus far has not resulted in the creation of space debris. Below is…
27 Jan 2023: LeoLabs reported two pieces of Russian space debris came within ~6m of colliding in orbit. Both uncontrolled objects are in a particularly dangerous LEO altitude…