Category Archives: Lunar Landers

Weekend Edition
Fri-Tues / 1-5 September 2023

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India and China Operating on Moon and Advancing Next Lunar Missions as USA Plans Human / Robotic Return

ISRO continues nominal 1 lunar day (14 Earth diurnal cycles) mission Chandrayaan-3, which may extend another 14 days or more depending on lander / rover charging functionality; Prospects for radio astronomy from the MSP more favorable following findings of sparse near-surface plasma density via RAMBHA-LP Langmuir probe; ISRO to collaborate with JAXA on LUPEX NET 2025; CNSA continues collecting seismic & astronomical data with Lunar-Penetrating Radar on Chang’E-4 rover Yutu-2 and Lunar-based Ultraviolet Telescope on Chang’E-3 lander while preparing Chang’E-6 sample return NET May 2024 and Chang’E-7 MSP mission NET 2026; NASA working towards Artemis 2 crewed lunar flyby NET Nov 2024 while CLPS providers Intuitive Machines (NET 16 Nov) and Astrobotic (EOY) striving for robotic lander launches

Credits: ISRO, CNSA, NASA

Weekend Edition
Fri-Mon / 25-28 August 2023

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India Exploring Area Near Moon South Pole with Chandrayaan-3

ISRO now conducting the farthest expedition into the lunar south ever, with landing site 69.374454°S, 32.318695°E ~625km from the southernmost point on the Moon (90°S on Shackleton crater rim); Lander Module Vikram and Pragyan rover operating nominally with ILSA, RAMBHA and ChaSTE instruments activated and ready to take seismic, ionic and thermal readings; APXS and LIBS will perform X-ray and laser spectroscopy to determine chemical, mineralogical and elemental composition of regolith from Pragyan, now rolled out and >8 meters from LM

Friday / 25 Aug 2023

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JAXA Counting Down to Launch of Smart Lander for Investigating Moon (SLIM)

SLIM set to lift off on H-2A rocket with XRISM rideshare from Tanegashima Space Center 26 August 09:34 JST (00:34 UTC) for 4–6-month journey to landing site at 13.2°S, 25.2°E, an area east of Shioli, a 270-m diameter crater emanating distinctive bright rays (itself within 98-km Cyrillus crater, west of Mare Nectaris); 200-kg (dry) SLIM will take fuel-efficient route to lunar orbit taking ~3-4 months, followed by ~1 month in lunar orbit prior to surface descent; Primary mission objective is validation of vision-based navigation system with <100m accuracy; JAXA will stream launch with live coverage starting 09:00 JST (00:00 UTC)

Tuesday / 22 Aug 2023

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ISRO Making Final Checks While Awaiting Lunar Daybreak at Chandrayaan-3 Landing Site

Chandryaan-3 Vikram lunar lander in elliptical 25 x 134 km lunar orbit as ISRO operators at Mission Operations Complex in Bengaluru ensuring craft readiness ahead of powered descent to Moon surface ~20° from MSP set to begin 23 Aug 12:15 UTC, with touchdown on lunar surface now scheduled ~19 minutes later at 12:34 UTC; Landing to be supported by NASA and ESA Deep Space Network antennas in Canberra and Madrid with backup relay via Chandrayaan-2 orbiter; ISRO encourages schools to observe historic moment which will ‘fuel curiosity’ and ‘spark passion for exploration’; Live coverage starts 11:50 UTC

Weekend Edition
Fri-Mon / 18-21 August 2023

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As Luna-25 and Chandrayaan-3 Position for Moon South Pole Region Landings, Will USA Accelerate Moon Return?

India Chandrayaan-3 Lander Module in 113 x 157 km lunar orbit as ISRO controllers prepare for final deorbiting burn on 19 Aug, 20:30 UTC ahead of planned 23 Aug 12:17 UTC landing, while Propulsion Module performing spectroscopic observation of Earth from Moon orbit; Russia Luna-25 in 100-km lunar orbit following 243 and 76-sec maneuvers on route and a 40-sec orbital correction with landing NET 21 Aug planned; USA commercial lunar landers working under NASA CLPS contracts may launch soon; Intuitive Machines targeting 15 Nov launch of Nova-C / IM-1 mission, followed by IM-2 and IM-3 asap; Astrobotic Peregrine Mission One may still launch in 2023

 

Tuesday / 15 Aug 2023

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India and Russia Reaching Final Stretch Before Landings in South Polar Region

ISRO Chandrayaan-3 now in 150 x 177 km orbit around Moon with next orbital reduction / circularization maneuver planned to retrofire on 16 Aug at ~08:30 IST ahead of expected 23 Aug 12:17 UTC landing at South Polar Region (69.368°S, 32.348°E) roughly 120 km west of Roscosmos Luna-25 prime landing site at 69.545°S, 43.544°E; Luna-25 operating nominally with stable comms and power following 13 Aug instrument / telemetry check and Earth / Moon imaging, activation of ADRON-LR cosmic radiation detector and final orbit correction maneuver 14 Aug; LOI to occur 16 Aug, while landing may happen on 21 Aug

Weekend Edition
Fri-Mon / 11-14 August 2023

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As World Space Powers Converge on Moon, USA May Find Inspiration to Resume Lunar Exploration Promptly

While China continues to operate Chang’E-3 from IAU-designated landing site Guang Han Gong and Chang’E-4 in South Pole–Aitken basin; India and Russia on way to Moon South Pole region (~70°S) with Chandrayaan-3 & Luna-25 landers; USA works toward first soft landing in 50+ years (Apollo 17) via private CLPS providers; Astrobotic awaiting Vulcan Centaur readiness, which ULA CEO says is on track for Q4 2023 launch – Peregrine to fly solo, as Project Kuiper opts to for proven Atlas V; Intuitive Machines preparing IM-1,2,3 and holding Q2 earnings call on 14 Aug

Friday / 11 Aug 2023

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Russia Luna-25 on Route to Moon South Pole

The first Russia lunar lander mission in 47 years has begun 5-day lunar transfer following Soyuz 2.1b launch / TLI firing powered by Fregat-M upper stage; Prime landing site planned near Boguslawsky crater (69.545°S, 43.544°E) expected to be reached between 20-22 Aug (UTC), perhaps arriving slightly before ISRO Chandrayaan-3, currently in 174 km x 1437 km lunar orbit, to MSP region; With China operating for ~10 years on Moon and Russia and India on the way, NASA CLPS landers race to resume USA activity on lunar surface

Tuesday / 8 Aug 2023

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Chandrayaan-3 Tightening Orbit Around Moon Ahead of Landing Attempt as Luna-25 and SLIM Launches Approach

ISRO Moon lander Chandrayaan-3 now in an elliptical 170 km x 4313 km lunar orbit as ISTRAC controllers at Mission Operations Complex (MOX) in Bengaluru prepare to execute orbital reduction maneuver 2 of 5, planned for 9 Aug 13:00-14:00 IST (07:30-08:30 UTC) to bring craft into circular, polar 100-km orbit ahead of 23 August landing; Luna-25 rollout set for 8 Aug, with previously reported 10 Aug 2:10:57 MSK (23:10:57 UTC) launch now officially declared by Roscosmos; JAXA SLIM to follow 26 Aug 09:34:57 JST (00:34:57 UTC)

Weekend Edition
Fri-Mon / 4-7 August 2023

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August Moon Landings by Russia, India, Launch by Japan, Raise Major Challenges for USA

As Roscosmos readies Luna-25 / Soyuz-2.1b rocket at Vostochny Cosmodrome for launch to Moon from Site 1S reportedly set for 11 Aug 2:10 MSK (backup launch 12 Aug 2:35 MSK, landing NET 20 Aug), ISRO preps for 5 Aug 19:00 IST lunar orbit insertion / 23 Aug landing of Chandrayaan-3, and JAXA planning SLIM lander launch via H-2A on 26 Aug 09:34 JST, 21st Century USA Moon landings remain unrealized; Impact on USA world standing and space leadership may be profound if CLPS robotic landers / Artemis human Moon return are further delayed