Updated sumary: the J-SSOD-M2 deployer flew to ISS on NG-15, taken to the Kibo module and moved outside with the JEM-RMS robot arm. At 0830 UTC Mar 22 it ejected its payload, the လောကနတ်-၁ (Lawkanat-1) microsat which is a joint project of Hokkaido U and MAEU (Meiktila, Myanmar)
A Reuters story by @kellyJapan noted the controversy over the sat. The report today by @heinkoLwin confirms the deployment and says that Lawkanat-2 is scheduled for Sep 2023.
@kellyJapan @heinkoLwin The announcement republished by Lwin says " Under the terms of the agreement, the Earth observation satellite is intended for the following non-military peaceful uses: They are:
(1) Agriculture;
(2) Forests;
(3) Rural areas; Urban change;
(4) Oceanography;
(cont)
@kellyJapan @heinkoLwin (5) Soil; Mining and soil change;
(6) Hydrology and water resources;
(7) With the environment
And (8) disaster management.

Under the terms of the agreement, the University of Hokkaido will do its utmost to protect the satellite from military use.
@kellyJapan @heinkoLwin Full control of the satellite and ensuring that the sat.'s performance is not compromised will be controlled by Japanese personnel. Sat. imagery will only be used in the event of an unforeseen natural disaster, and the location will be released for non-military purposes only.
@kellyJapan @heinkoLwin ... end quote. Wow, they REALLY want to make clear that Myanmar has absolutely no control over the satellite!
Ah, I finally scrolled down far enough in heinkolwin.com/the-first-myan… to see there is an English translation! (But I must say google trans seems to do an excellent job on Burmese). I should clarify that the statement was from the Hokkaido team.

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More from @planet4589

25 Mar
The Fregat stage should now have made its circularization burn and the first 4 satellite separations should happen soon
The first 4 sats released were OneWeb 0108, 0174, 0177, 0178. The second four satellites have now been released: 0155, 0163, 0166, 0171.
Satellites 0112, 0115, 0116 and 0158 should have been released at 0444 UTC, while I was distracted by North Korean missile geolocation. Satellites 0151, 0159, 0172 and 0173 will pop out at 0503 UTC, about 10 minutes from now
Read 5 tweets
25 Mar
LAUNCH of Starsem flight ST30, Soyuz-2-1b (Vostochniy) No V15000-005 with 36 OneWebs
The 4 side boosters, block B V G and D, have separated as the core stage A continues to fire
Blok A core stage separated, Blok I third stage now firing
Read 5 tweets
23 Mar
Electron 19's Stage 2 has been cataloged as 47965, 2021-023A, in a 297 x 557 km x 45.0 deg orbit.
The payloads on Electron 19 are:
A Black Sky Global satellite (possibly Global-5?), about 55 kg, separated at 0019 UTC Mar 23;
RAAF's M2 A and B, two 6U sats deployed at 2322 UTC Mar 22; Fleet's Centauri 3, a 6U built by Tyvak, deployed 2323 UTC; (1/2)...
Care Weather's Veery Hatchling, a 1U deployed at 2324 UTC; one of the US Army SMDC's Gunsmoke-J series (J2?) deployed at 2324 UTC; and Myriota's Myriota 7, deployed at 2325 UTC.
Read 6 tweets
23 Nov 20
The Chang'e-5 lunar sample return mission is pretty complicated. The spacecraft has a lot of sub-pieces and the mission has a lot of phases. I am going to take a deep breath and summarize what I believe the scenario to be.
First, the Lego pieces (abbreviations are mine):
SM: Service module
DS: Descent stage (lander)
AS: Ascent stage
AD: Adapter
DA: Docking adapter
RV: Reentry vehicle
At launch, the stack has the AS on top of the DS on top of the AD on top of the SM, wit the DA on top of the RV sitting on the SM inside the AD.
Read 10 tweets
23 Nov 20
Chang'e-5 will launch aboard the Chang Zheng (Long March) 5 serial number Y5 from pad 101 at the Wenchang space centre on Hainan island. The CZ-5 rocket has 4 liquid side boosters, core stage, and upper stage. The upper stage will go to parking orbit and then translunar insertion
The CE-5 will separate from the CZ-5 second stage on its translunar trajectory, and coast on to lunar orbit insertion in a few days.
After some time in lunar orbit, the lander will separate from the service module and touch down. The lander ascent stage will then take off with its sample and dock with the service module in lunar orbit, transferring its samples.
Read 4 tweets
14 Oct 20
The predicted close approach on Oct 16 involves a Soviet Parus navigation satellite and a Chinese rocket stage. Here is the Parus. It's a big satellite, about 800 kg, 2 metres in dia and it has a 17 metre long gravity gradient boom.
The Parus satellite was designed by ISS Reshetnev in Zheleznogorzk and built by PO Polyot in Omsk. Images from kik-sssr.ru
The CZ-4C third stage is about 7.5m long and 2.9m diameter. I don't have a good mass for it but it is probably of order a tonne. Here is art of the stage from the specific launch in question with the payload still attached at right
Read 6 tweets

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