Plots are in GSE (geocentric solar ecliptic) coordinates, so Earth is at [0,0], the Sun is at [1,0]. The plot is the projection of the orbit on the ecliptic plane.
7th orbit & most of 8th orbit in NMP: 5 RS windows, S and N windows reach max latitude 21º.
RS window (default) placement
Period | Window/GAM | EXT Start | Start | End | Hcentric | Distance | Range | Hgraphic | Latitude | Range | SC-Sun- | Earth | Angle | Conjunction | Safe Mode Comms Blackout | Largest Comms Roll | GAM Restrictions |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MTP 11 | Perihelion | 2024-01-03 | 2024-01-07 | 2024-01-17 | 0.30 | 0.28 | 0.31 | -05.99 | 10.39 | 19.63 | 105 | 137 | 170 | NO | NO | -01 | NO |
| MTP 11 | North | N/A | 2024-01-17 | 2024-01-27 | 0.31 | 0.36 | 0.43 | 19.63 | 21.20 | 18.96 | 170 | 164 | 148 | NO | NO | 85 | NO |
| MTP 11 | South | 2024-05-09 | 2024-05-13 | 2024-05-23 | 0.59 | 0.52 | 0.46 | -20.83 | -21.33 | -20.71 | 112 | 105 | 094 | NO | NO | 00 | NO |
| MTP 11 | Perihelion | 2024-06-01 | 2024-06-05 | 2024-06-15 | 0.30 | 0.28 | 0.31 | -05.50 | 10.91 | 19.82 | 042 | 010 | 023 | NO | NO | 00 | NO |
| MTP 11 | North | N/A | 2024-06-15 | 2024-06-25 | 0.31 | 0.37 | 0.43 | 19.82 | 21.16 | 18.84 | 023 | 049 | 066 | NO | NO | 00 | NO |
Proposal
I_DEFAULT outside of RSwindows, L_IS_STIX on inside all RSwindows
MTP11 - First Perihelion window:
- one of the 3 closest perihelion windows, interesting for high-resolution science like R_SMALL_HRES_LCAD_FineScaleStructure during few days
- Metis, SoloHI can benefit from being close in as well: run L_FULL_LRES_MCAD_Coronal-Synoptic for rest of the time
- (If it fits TM wise, L_FULL_MRES_MCAD_Flare_SEPs could be run here as well (depending on what has been scheduled in rest of MTP) )
MTP11 - First North window: very close to the Sun at a reasonable latitude
- suitable for L_SMALL_HRES_HCAD_Fast-Wind
MTP11 - Second Perihelion window:
- one of the 3 closest perihelion windows, interesting for high-resolution science like R_SMALL_HRES_LCAD_FineScaleStructure (can be run on different targets for example)
- If it fits TM wise, L_FULL_MRES_MCAD_Flare_SEPs could be run here as well (depending on what has been scheduled in rest of MTP)
- L_BOTH_MRES_MCAD_Flare-SEPs to run through this perihelion and upcoming north window: benefits of close distance + radial alignment with Earth. SPP would be big asset as well.
MTP11 - Second North window:
- Objectives requiring Metis & SoloHI to observe Earth-directed Transients, as SolO has 45 degrees separation angle with Earth.
We will be looking down on North pole at 21º (distance range 0.31-0.34AU), around solar maximum.
SOOP proposal for this RSW: - Possibly combined with connection science goals on slow solar wind sources. These require modelling to find the most likely connection point.
SOOPs L_SMALL_MRES_MCAD_Connection_Mosaic combined with L_SMALL_HRES_HCAD_SlowWindConnection (higher res/cadence RS to explore source region in more detail) or L_SMALL_MRES_MCAD_Ballistic-connection
If we happen to point at a coronal hole boundary, also the SOOP L_SMALL_HRES_LCAD_CH_Boundary_Expansion fits. - The start of the final north window (or end final perihelion window) is also very close to the Sun at a reasonable latitude which makes it ideal for R_SMALL_HRES_HCAD_Atmospheric_Dynamics_Structure targeted at a CH. Good enough TM.
- L_FULL_MRES_MCAD_Flare_SEPs to be continued after perihelion window
- Also suitable for L_SMALL_HRES_HCAD_Fast-Wind
Alternative plan for full set of second orbit - final 3 RSWs:
- During this period, from 9 May to 25 June, we can run RS observations with minimal interruption (only 7 interwindow days between the South window and the extension start of the concatenated period).
SC goes from -21º to +21º passing through one of the closest perihelia. This is particularly interesting for L_BOTH_LRES_MCAD_Pole-to-Pole SOOP.
TM is low in that MTP period which is OK since this SOOP has quite low TM needs.
Modelled in SAP v0:
I_DEFAULT outside of RSwindows, L_IS_STIX on inside all RSwindows
MTP11 - First Perihelion window:
- R_SMALL_HRES_LCAD_FineScaleStructure -> duration 2 days, with offpointing
- L_FULL_LRES_MCAD_Coronal-Synoptic -> duration 8 days
MTP11 - First North window: L_SMALL_HRES_HCAD_Fast_Wind duration 3 days - EUI and PHI flush limited volume (still to be set in SOOP)
MTP11 - 2nd orbit (3 RSWs):
- L_BOTH_LRES_MCAD_Pole-to-Pole SOOP - 30 days in total
- 1 break for R_SMALL_HRES_HCAD_Atmospheric_Dynamics_Structure at last day of perihelion window - duration 1hr