Jonathan McDowell

Jonathan McDowell

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Astrophysicist tracking launches and satellites; author of Jonathan's Space Report newsletter.

Japan's H3-30 Three-Engine Test Launch at 0053 UTC
SocialJun 12, 2026

Japan's H3-30 Three-Engine Test Launch at 0053 UTC

LAUNCH at 0053 UTC Jun 12 from Tanegashima of Japan's H3 flight F6, the flight test of the H3-30 three-engine model

By Jonathan McDowell
Rocket Lab's Electron HASTE Suborbital Launch From Wallops
SocialJun 11, 2026

Rocket Lab's Electron HASTE Suborbital Launch From Wallops

Suborbital LAUNCH of Rocket Lab Electron HASTE with the CURVEBALL mission at about 0800 UTC Jun 11 from Wallops with reentry over the Atlantic

By Jonathan McDowell
Landspace Zhuque-2E Lifts Off with Two Chinese Satellites
SocialJun 9, 2026

Landspace Zhuque-2E Lifts Off with Two Chinese Satellites

LAUNCH at 0823 UTC Jun 9 of a Landspace Zhuque-2E from Jiuquan with the 千帆DTC 01星 (Qianfan direct-to-cell 01) and 中国移动02星 (China Mobile 02) satellites

By Jonathan McDowell
MASER‑17 Suborb
SocialMay 31, 2026

MASER‑17 Suborb

Suborbital launch at 0633 UTC May 31 of the SSC/DLR MASER 17 (Suborbital Express 5) microgravity mission from Kiruna using a two stage Red Kite/Red Kite rocket to apogee of 260 km

By Jonathan McDowell
Shenzhou 22 Undocks, Lands on May 29
SocialMay 30, 2026

Shenzhou 22 Undocks, Lands on May 29

Shenzhou 22 undocked from the Chinese space station at 0644 UTC May 29 and landed at 1211 UTC ( I think - can someone confirm these times?)

By Jonathan McDowell
NASA Space
SocialMay 27, 2026

NASA Space

NASA PAO reports hatch open to close time of the spacewalk was 6h5m, but MCC-M screen appears to show 6:06:20 and implies hatch open to close was 1417:51 to 2024:11 UTC

By Jonathan McDowell
Shenzhou 23 Launch Carries First Hong Kong Specialist
SocialMay 24, 2026

Shenzhou 23 Launch Carries First Hong Kong Specialist

LAUNCH at 1508 UTC May 24 of Shenzhou 23 carrying Chinese astronauts 朱杨柱 (Zhu Yangzhu), 张志远 (Zhang Zhiyan) and Hong Kong payload specialist 黎家盈 (Lai Ka-ying)

By Jonathan McDowell
First Version‑3 Starship Launches with Raptor 3 Engines
SocialMay 23, 2026

First Version‑3 Starship Launches with Raptor 3 Engines

Starship 12 recap: flight 12, with Super Heavy booster 19 and Ship 39, was launched on May 22 at 2230:20 UTC. It was the first version 3 Starship, with Raptor 3 engines. [1/n]

By Jonathan McDowell
Starship FT12 Perigee Estimated at -7 ± 8 Km
SocialMay 23, 2026

Starship FT12 Perigee Estimated at -7 ± 8 Km

Attempt to fit Starship FT12 orbit from webcast data: I estimate -7 x 194 km x 28 deg with an uncertainty of about +/- 8 km on that perigee value, so between -15 and +1 km....

By Jonathan McDowell
Varda's W-6 Lands Safely; W-4 Status Unclear
SocialMay 19, 2026

Varda's W-6 Lands Safely; W-4 Status Unclear

Varda's W-6 landed safely in Australia. As far as I know, still no word from @VardaSpace on the fate of W-4

By Jonathan McDowell
Chang Zheng 8 Launches 18 Qianfan Internet Satellites
SocialMay 18, 2026

Chang Zheng 8 Launches 18 Qianfan Internet Satellites

LAUNCH at 1443 UTC May 17 of a Chang Zheng 8 from Hainan with eighteen Qianfan commercial internet satellites.

By Jonathan McDowell
Lijian‑1 Launch From Jiuquan Carries Multiple
SocialMay 15, 2026

Lijian‑1 Launch From Jiuquan Carries Multiple

LAUNCH of a Lijian-1 at 0433 UTC May 15 from Jiuquan with the Youxi, Dianjian-1, JL1GF03D55, Taijing-3 05A/05B satellites

By Jonathan McDowell
Zhuque-2E's SECO-1 Orbit Reveals
SocialMay 15, 2026

Zhuque-2E's SECO-1 Orbit Reveals

Two objects cataloged from the Zhuque-2E launch in 209 x 872 km x 89.0 deg orbit. The parameters are consistent with the theory that this is the SECO-1 orbit, the second stage failed to restart, and the payload then separated.

By Jonathan McDowell
Landspace's Zhuque-2E Stretched Rocket Successfully Orbits 2.8‑ton Payload
SocialMay 14, 2026

Landspace's Zhuque-2E Stretched Rocket Successfully Orbits 2.8‑ton Payload

On May 14 at 0300 UTC, Landspace launched Zhuque-2E flight Y5, introducing a new stretched version of this methalox launch vehicle. It placed a 2800 kg dummy payload in orbit.

By Jonathan McDowell