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Jonathan's Space Report
No. 679 draft                                               2013 May 2, Somerville, MA

International Space Station

Expedition 35 continues with astronauts  Hadfield, Romanenko and Marshburn, Vinogradov,
Misurkin and Cassidy.

Ferry ship Soyuz TMA-07M is at Rassvet; Soyuz TMA-08M is at Poisk.
Cargo ship Progress M-18M is at the Pirs module and Progress M-19M is
at the Zvezda module.

On May 9 a serious ammonia coolant leak was discovered on the P6 truss segment.
The 2B solar array section was be shut down to isolate the leak, reducing the
power available to operate the Station. (details are from www.nasaspaceflight.com,
which has the best coverage on this).

On May 11 astronauts Cassidy and Marshburn, in suits EMU 3010 and EMU
3005, carried out spacewalk US EVA-21 from the Quest airlock to replace
a Pump Flow Control System (PFCS) unit suspected to be responsible for
the ammonia leak. The Station has eight solar array wings, labelled 1A,
1B, 2A, 2B, 3A, 3B, 4A and 4B. Associated with each wing is one PFCS
unit, which is a 111 kg, 1.0 x 0.5m box placed in the IEA (Integrated
Electronics Assembly) section of the truss. In addition, two further
PFCS units on the P6 Long Spacer (LS) were used as part of the EEATCS
Early External Active Thermal Control System used when P6 was installed on the
zenith of Z1 between 2000 Dec 3 and 2007 Oct 28, and a spare PFCS was
launched on the ESP-1 external stowage platform in 2001.

PFCS units:
   Truss section    Solar array wing   Launched
1  Port 6 IEA       2B                 2000 Dec 1 - removed to Port 6 Long Spacer on May 13
2  Port 6 IEA       4B                 2000 Dec 1
3  Port 6 LS        EEATCS             2000 Dec 1 - moved to Port 6 IEA/2B on May 13
4  Port 6 LS        EEATCS             2000 Dec 1
5  Lab ESP-1        -                  2001 Mar 8  (Spare)
6  Port 4 IEA       2A                 2006 Sep 9
7  Port 4 IEA       4A                 2006 Sep 9
8  Stbd 4 IEA       1A                 2007 Jun 8
9  Stbd 4 IEA       3A                 2007 Jun 8
10 Stbd 6 IEA       1B                 2009 Mar 15
11 Stbd 6 IEA       3B                 2009 Mar 15
During the spacewalk, the astronauts removed the 2B PFCS unit from the P6 IEA and swapped
it with one of the EATCS units on the P6 Long Spacer. Quest was depressurized at 1241 UTC
and repressurization began at 1814 UTC.


China's Zhongxing-11 satellite was launched on May 1 into geostationary
transfer orbit (data from Rui Barbosa on Nasaspaceflight.com; nice
to meet you in Lisboa, Rui!). Object A is in a 196 x 42178 km x 26.7 deg orbit,
B (which may be the payload) is in a 227 x 43081 km orbit.
Vega VV02

Arianespace's Vega rocket made a second successful flight on May 7.
Flying north-northwest from Kourou, the three solid stages reached a
near-orbital trajectory of around -370 x 226 km. The AVUM liquid fourth
stage then made a first burn to about 289 x 820 km at 0217 UTC; at 0300
UTC a second burn circularized the orbit at apogee and the upper
payload, Proba-V, was deployed into a 787 x 828 km x 98.7 deg
orbit. A third burn at 0310 UTC lowered perigee, leading to a 
670 x 815 km orbit. At 0357 UTC the lid of the dual payload adapter, Vespa, was
ejected, and at 0400 UTC AVUM's burn 4 recircularized the orbit at 669 x
673 km x 98.1 deg. The lower payload VNREDSAT-1 was ejected at 0404 UTC,
with the 1U cubesat ESTCube-1 deployed three minutes later. At 0423 UTC
the AVUM stage was scheduled to make a deorbit burn for disposal in the

Proba-V is a European Space Agency technology satellite carrying the
Vegetation sensor previously used on French SPOT remote sensing
satellites. It was built by Qinetiq Space (formerly Verhaert) in
Belgium. The VNREDSAT-1, built by  Astrium/Toulouse, is a remote sensing
satellite for the Vietnam Academy of Science and Technology.  ESTCube-1
was built by the Estonian Student Satellite Program led by the
University of Tartu.

Table of Recent (orbital) Launches 
Date UT       Name            Launch Vehicle        Site            Mission    INTL.  

Mar  1 1510   Dragon CRS-2       Falcon 9          Canaveral SLC40   Cargo      10A
Mar 19 2121   SBIRS GEO-2        Atlas V 401       Canaveral SLC41  Early Warn  11A
Mar 26 1907   Satmex 8           Proton-M/Briz-M   Baykonur LC200/39 Comms      12A
Mar 28 2043   Soyuz TMA-08M      Soyuz-FG          Baykonur LC1/5   Spaceship   13A
Apr 15 1836   Anik G-1           Proton-M/Briz-M   Baykonur LC200/39 Comms      14A
Apr 19 1000   Bion-M No. 1 )     Soyuz-2-1A        Baykonur LC31/6  Life Sci    15A
              OSSI-1       )                                                    15B
              BEESAT-2     )                                                    15G
              BEESAT-3     )                                                    15E
              SOMP         )                                                    15F
              Dove-2       )                                                    15C
              AIST-2       )                                                    15D
Apr 21 2100   Cygnus Mass Sim )  Antares 110       Wallops MARS 0A  Tech        16A
              Alexander       )                                     Tech        16C
              Graham          )                                     Tech        16E?
              Bell            )                                     Tech        16D
              Dove-1          )                                     Tech        16B
Apr 24 1012   Progress M-19M     Soyuz-U          Baykonur LC1/5    Cargo       17A
Apr 26 0413   Gao Fen 1     )                                       Imaging     18A
              NEE-01 Pegaso )    Chang Zheng 2D   Jiuquan           Tech
              Turksat-3USAT )                                       Tech
              CubeBug-1     )                                       Tech
Apr 26 0523   Glonass-M No. 47   Soyuz-2-1B/Fregat Plesetsk         Nav         19A
May  1 1606   Zhongxing-11       Chang Zheng 3B/E Xichang           Comms       20A
May  7 0206   Proba-V     )                                         Imaging     21A
              VNREDSAT-1  )      Vega             Kourou ZLV        Imaging     21B
              ESTCube-1   )                                         Tech        21C

Suborbital launches

Colorado's SLICE UV astronomy experiment launched from White Sands on Apr 21 as flight
NASA 36.271UG, to study the Local Interstellar Cloud. The payload is a reflight of
the DICE experiment launched on 2010 May 21. It was followed two days later by
the third flight of the NASA-Goddard EUNIS solar telescope, NASA 36.269GS.

On May 1 NASA carried out the first of a series of launches from
Roi-Namur Island, part of Kwajalein Atoll in the Pacific, with the Air
Force Research Lab's MOSC payload. The flight, NASA 41.100DR, released a
cloud of samarium vapor to investigate the use of 'metal oxide space
clouds' to suppress ionospheric disturbances that disrupt radio signals.
The flight was funded by the US Air Force Space Test Program.

The French ministry of defense launched an M51 missile from the submarine Le Vigilant
off the coast of Brittany on May 5, but it was destroyed after a first stage failure and
did not reach space.

Table of Recent (suborbital) Launches

Date UT     Payload/Flt Name  Launch Vehicle  Site                   Mission    Apogee/km

Mar 11 0610?  Shark            Terrier Lynx        Wallops I         Target       300?
Apr  4 2155   Kunpeng-1        Tianying-3E         Hainan            Ionosphere   191
Apr  7 0455   Agni RV          Agni 2              Wheeler I.        Op. Test     200?
Apr 10        Haft-IV RV       Shaheen 1           Somniani?         Op. Test     100?
Apr 12 0425   TEXUS 50         VSB-30              Kiruna            Micrograv    261
Apr 21 0800   SLICE            Black Brant IX      White Sands       FUV Astron   318?
Apr 23 1730   EUNIS            Black Brant IX      White Sands       Solar EUV    320?
May  1 0738   MOSC             Terrier Imp. Orion  Roi-Namur         Ionosphere   189
May  7 0400   REXUS 14         Imp. Orion          Kiruna            Micrograv     81

|  Jonathan McDowell                 |  phone : (617) 495-7176            |
|  Somerville MA 02143               |  inter : planet4589 at gmail       |
|  USA                               |          jcm@cfa.harvard.edu       |
|                                                                         |
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