Author Topic: ALOS-4 - H3 F3 (H3-22S) - Tanegashima LC-Y2 - 1 July 2024 (03:06 UTC)  (Read 7233 times)

Offline Galactic Penguin SST

Photos of ALOS-4 at Mitsubishi Heavy Industries' Kamakura plant today during a media event:

https://twitter.com/Kosmograd_Info/status/1767177457873080445
Quote from: Google translate
On the 11th, a press release of the advanced radar satellite "DAICHI-4" (ALOS-4) was held at Mitsubishi Electric Kamakura Works.
The launch is scheduled for 2024, and will carry on the mission of ``DAICHI'', ``DAICHI 2'', and ``DAICHI 3'', which unfortunately failed to launch, and will expand Japan and the world with an observation device using the world's first technology. I'll watch over you from space.
« Last Edit: 06/28/2024 05:22 am by Galactic Penguin SST »
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Offline GWR64

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Re: ALOS-4 - H3 F-3? (H3-30?) - Tanegashima LC-Y2 - Mid-2024
« Reply #1 on: 03/29/2024 11:40 am »
JAXA presents ALOS-4:




Offline GWR64

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Re: ALOS-4 - H3 F-3 (H3-22) - Tanegashima LC-Y2 - Mid-2024
« Reply #2 on: 04/13/2024 10:15 am »
An H3-22 will probably be used again for the ALOS-4 launch.

https://xtech.nikkei.com/atcl/nxt/column/18/01540/00072/

Google translate:
Quote
... First stage of H3 rocket No. 3
The original plan was for the Type 30 to be equipped with three LE-9 engines, but it was changed to the Type 22, equipped with two LE-9 engines and two solid rocket boosters. Both engines will be installed at Tanegashima Space Center.
...
On March 21, 2024, the Japan Aerospace Exploration Agency (JAXA) and Mitsubishi Heavy Industries unveiled the third vehicle of the "H3" rocket at the Mitsubishi Heavy Industries Nagoya Aerospace Systems Works (Tobishima Village, Aichi Prefecture). Regarding the satellite to be launched with Unit 3, JAXA is envisioning the Earth observation satellite ``Daichi-4'' (ALOS-4).
« Last Edit: 04/15/2024 10:44 am by zubenelgenubi »

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Cross-post; my bold:
Quote
The new STA is intended to cover multiple launches using H2A and H3 launch vehicles during which Comtech’s monitoring services will be required. The first launch using an H3 rocket (F3) is expected to occur as early as June 15, 2024, which would be covered under Comtech’s current STA if launched on that date, but with a launch window extending until July 31, 2024, more than a month after the current STA’s expiration. The payload to be placed in earth orbit will be Advanced Land Observing Satellite-4 (ALOS-4)/SSO to be launched from Tanegashima Space Center (“TNSC”) in Japan.

The second identified launch, which will use an H2A launch vehicle (F49), is expected to occur at the end of the third quarter of 2024. This satellite is an Information Gathering Satellite (IGS)/SSO and is also to be launched from TNSC. Additional launches using these same classes of launch vehicles may also be scheduled during the STA period...
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Offline Galactic Penguin SST

https://global.jaxa.jp/press/2024/04/20240426-1_e.html

Launch Schedule of Advanced Land Observing Satellite-4 “DAICHI-4” (ALOS-4) aboard the third H3 Launch Vehicle (H3 F3).
April 26, 2024 (JST)

Japan Aerospace Exploration Agency

Japan Aerospace Exploration Agency (JAXA) hereby announces the launch schedule of Advanced Land Observing Satellite-4 “DAICHI-4” (ALOS-4) aboard the third H3 Launch Vehicle (H3 F3: Flight No.3) as follows;

Launch date   : June 30, 2024
Launch Window   : 12:06:42 (JST) through 12:19:34 (JST)
 The time is the 24-hour clock
Reserved Launch Period   : July 1 through July 31, 2024
Launch site   : Yoshinobu Launch Complex at the JAXA Tanegashima Space Center

----------------------------------------------------------------------------------------------------------------------------------------------

Note that it has been confirmed original plans to use this launch to certify the H3-30 variant with no SRBs and 3 1st stage engines has been dropped (as hinted by MHI transporting an extra H3 1st stage to TNSC some time earlier). This one will fly on a stock H3-22S.
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https://twitter.com/NVSreporter/status/1794279140088271078

More photos of ALOS-4 at a press event. This time at Tanegashima.
« Last Edit: 05/27/2024 04:44 am by zubenelgenubi »

Offline catdlr

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It's Tony De La Rosa, ...I don't create this stuff, I just report it.

Offline russianhalo117

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JAXA ALOS-4 Mission CG:


Offline Galactic Penguin SST

Launch coverage:



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Offline yoichi

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H3 Rocket F3 Pre Launch Briefing Session


« Last Edit: 06/28/2024 05:02 am by yoichi »

Offline Galactic Penguin SST

Launch is delayed to July 1st due to launch site weather: https://www.jaxa.jp/press/2024/06/20240628-1_j.html
Launch window remains at 03:06:42 - 03:19:34 UTC.
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Offline alerzheov

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NORTH PACIFIC, WESTERN PART.
ROCKET, H3-3, LAUNCHING. ELEMENTS FALL
01 JUL, ALTERNATE DAILY 02 TO 31 JUL.
AREAS BOUNDED BY
A. 0311Z TO 0329Z. 30-01-00N 132-21-00E
30-29-00N 132-25-00E
30-18-00N 133-33-00E
30-00-20N 133-29-57E
29-50-58N 133-16-58E.
B. 0317Z TO 0344Z. 27-16-00N 134-26-00E
28-08-00N 135-18-00E
26-49-00N 136-36-00E
25-57-00N 135-44-00E
C. 0323Z TO 0353Z. 14-43-00N 132-40-00E
13-12-00N 134-10-00E
10-48-00N 131-44-00E
12-19-00N 130-14-00E.
CANCEL 0341/24.
CANCEL THIS MSG 310453Z JUL.

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Launcher is at the launch pad...

Offline jcm

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-----------------------------

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http://planet4589.org

Offline jcm

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NORTH PACIFIC, WESTERN PART.
ROCKET, H3-3, LAUNCHING. ELEMENTS FALL
01 JUL, ALTERNATE DAILY 02 TO 31 JUL.
AREAS BOUNDED BY
A. 0311Z TO 0329Z. 30-01-00N 132-21-00E
30-29-00N 132-25-00E
30-18-00N 133-33-00E
30-00-20N 133-29-57E
29-50-58N 133-16-58E.
B. 0317Z TO 0344Z. 27-16-00N 134-26-00E
28-08-00N 135-18-00E
26-49-00N 136-36-00E
25-57-00N 135-44-00E
C. 0323Z TO 0353Z. 14-43-00N 132-40-00E
13-12-00N 134-10-00E
10-48-00N 131-44-00E
12-19-00N 130-14-00E.
CANCEL 0341/24.
CANCEL THIS MSG 310453Z JUL.

Is there a NOTAM for the Indian Ocean deorbit of Stage 2?
-----------------------------

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Screen capture from the beginning of the webcast:

And T-1 minute
« Last Edit: 07/01/2024 03:06 am by zubenelgenubi »
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Launch!

Screen captures through SRB separation and payload fairing separation.
« Last Edit: 07/01/2024 03:32 am by zubenelgenubi »
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Offline jcm

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Launch at 0306 UTC
-----------------------------

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Stage 1 shutdown
Stage 1/2 separation
Stage 2 ignition
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Long second stage burn

The trajectory simulation is changing perspectives to better demonstrate in 3D.
« Last Edit: 07/01/2024 03:20 am by zubenelgenubi »
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