Monday, June 10, 2019

Juno

 2011-040A


Second New Frontiers mission, PI Scott Bolton of SWRI. LMA/Denver spacecraft managed by JPL. Jupiter polar orbiter.

4500 x 2.7M km x 90 deg

Hex + disk + 3 panels. 3.5m high, 3.5m dia. Spinning spacecraft with 3 solar arrays. Span around 22m not including WAVES. Size 2.0m? Mass ?

Launch by Atlas V 551 in 2011 for Jupiter arrival in 2016.

Mass 3625 kg, 1593 kg dry.


Juno 
 

DateTimeEventOrbit  

2011 Aug 5 1625:00 Launch by Atlas V 551CC SLC41 
  T+1:44 SRB sep 
  T+3:24 Fairing sep
  T+4:27 BECO 
  T+4:33 Atlas sep 
  T+4:43 MES1 
 1635:45 T+10:45 MECO1  194 x 226 x 28.8 
 1706:33 T+41:33 MES2 
 1715:34 T+50:34 MECO2 
 1718:49 T+53:49 Centaur sep  262 x -38649 x 28.90 AOP = 273.2 
   251 x -39053 x 29.53 (Cen) 
   1.0 x 2.3 AU x 0.0 (Cen) 
  T+1:10:00 Array deploy 
 2334  Pass EL1:4 
 2335  Centaur pass EL1:4 
2011 Aug 6  1050? Pass lunar orbit 
2011 Aug 8  1714?  Pass Hill sphere  1.0 x 2.26 AU x 0.1 deg 
 1743  Centaur pass Hill sphere 
2011 Aug 8   Inner cruise 1 
2011 Oct 8   Inner cruise 2 
2012 Feb 1  1810  TCM-1 25min 3kg 1.2m/s  
2012 Aug 30  2257 DSM-1a 344 m/s 29:39 
2012 Sep 14  2230 DSM-1b, 30min 
2013 Jan 1    721.3d 0.88 x 2.27 AU x 0.01  
2013 May 28   Inner cruise 3 
2013 Oct 8  0348  Inside L1 
 1858  Enter SOI 
2013 Oct 9 1922  Earth flyby 552 km 
2013 Oct 10  1948  Leave SOI 
2013 Oct 11  1056 Leave L1 radius 
2013 Nov 5   Outer Cruise (Quiet Cruise) phase 
2014 Jan 1    2101.7d 0.98 x 5.44 AU x 4.53 
2016 Jan 5   Jupiter Approach Phase 
2016 Feb 3  1838  TCM 35min 0.6kg 0.3m/s 
2016 Apr 5  1000  Inside J Hill sphere 
2016 Jun 20   Open main engine cover 
2016 Jun 24  0817  Bow shock crossing 
2016 Jul 1   JOI Phase 
2016 Jul 5   Jupiter arrival 
 0142  Radiation belt entry 
 0208  Spinup 2 to 5 rpm 
 0230  JOI burn 35 min 
 0305  Main engine cutoff 542m/s, 2102s 
 0305 JOI 53d, 145 Rj 
 0312  Spindown 5 to 2 rpm, sun point 
 0342  Exit radiation belts 
 0500  Capture Orbit Phase begins 
2016 Jul 27   Apo 0, start orbit 1 
2016 Jul 31  1900?  Apo 0 
2016 Aug 27  1300? Peri 1 
2016 Oct 14   End of COP 
2016 Oct 14   PRM phase 
2016 Oct 19  1800?  Perijove 2  

2016 Oct 21  

 Orbits 2-3 phase 
2016 Oct 25  1851 Thruster burn 31 min 2.6m/s 3.6kg 
2016 Nov 9   Science Orbit Phase 
2016 Dec 11  1703? Perijove 3 
2017 Feb 2  1257  Perijove 4 
2017 Mar 27  0852  Perijove 5 
2017 May 19  0600? Perijove 6 
2017 Jul 11  0155 Perijove 7 
2017 Oct 24   Perijove 8 

Payload:

  • MWR Microwave radiometer (JPL/Janssen)

  • MFI Magnetic field Investigation (Connerney/GSFC)

    • FGM Flux gate magnetometer (GSFC/)

    • ASC Advanced stellar compass (DTU/)

  • Polar Magnetosphere suite

    • JADE (McComas/SWRI) plasma particles

    • JEDI (Mauk/APL) H, He, O, S ions energy and angular dist.

    • WAVES (Kurth/Iowa) Auroral currents, radio and plasma spectra (short dipole antenna)

    • UVS (Gladstone/SwrI) 1024 x 256 MCP detector, UV polar spectral emissions

  • GS Gravity science Ka-band transponder (Juno radio system) (ASI/)

  • JIRAM Jovian IR Auroral Mapper (camera, spectrometer) INIA-Milano/ASI/, 2-5 mu

  • JunoCam (3 color imagers) (MalinSS/)

  • Leros 1b thruster, 645N

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