FOV conditions (boom/solar panel must not block) Half-sphere (360° x 90°): MSA (place either +Z or -Z) entrance must stick out Tophat (360° x ~10°): MIMS, NOID (place rim) entrance must stick out from rim & symmetry axis is  to spin axis Half-tophat (180° x ~10°): CHEMS, PEACE (place rim) entrance must stick out from rim & (for in-situ SC) look outward & symmetry axis is  to spin axis (for remote sensing SC) symmetry axis face zenith (-Z) Small Rectangular (45° x ~20°): STEIN (place backsidel) entrance must stick out from rim & look anti-sunward Telescope: NUVO on a scanning arm (use entire -Y side) telescope look in-situ spacecraft's meridian plane Instrument as of

Ion/electron/ENA ranges

MIMS (Toulouse) Mass 6 kg (4 kg + shielding) including E-box (no need for DPU) Power 6 W (including HV, Front-end and FPGA consumptions) on 28 V Data production: Size : Ø35 cm x 24 cm (one unit only) FOV: 360° (stick out) installation entrance

will be 4 cm longer and 6 cm wider than this, but entrance is narrower NOID (Kiruna) entrance mass 8 kg (5 kg + shielding) power 210 mA / 5.9 W (7-8 W on 28V) data production: 8 kB/s after compression size: Cylinder Ø19 cm x length 30 cm + 15 cm x 16 cm x 6 cm electric/DPU box FOV: 360° x 8° (stick out)

time resolution s entrance cold plasma NIMS (Bern) FOV: probe-type mass 3.5 kg + shield (inc. Ebox) = 5.3 kg power 23 W telemetry 7 kbps size (LWH) 36 x 18 x 19 cm

CHEMS (UNH, USA) mass 9.7 kg (7.7 kg+shield) power 7.1 W telemetry size 40 x 15 x 20 cm + 11 x 11 x 11 cm FOV: 180° (look outward) entrance

PEACE (MSSL) entrance Use only limited sectors out of this half-tophat mass 3.1 kg kg (Ebox) +shield = ??? kg (+ margin) power 3 W + 5 W (Ebox) = 8 W (+ margin) telemetry 7 kbps size 20 x 14 x 12 cm + 12 x 12 x 8cm (Ebox) FOV: 180° (look outward) analyser head sticks out side the spacecraft skin by about 8 cm.

MAG 1&2 (Graz) Dual sensor and sensor electronics as well as harness (7m), Sensors: End of 4-5 m boom 2/3 of 4-5 m boom 0.4 kg + harness (70g/m) = 0.9 kg 2 W+ 0.25W margin Telemetry: 55 bit/s after 50% compression E-Box (inc DCDC+DPU) 16x17x12cm 1 kg + shield = 1.8 kg (+ 0.2kg margin) 1.5 W+0.55W margin Boom of 4-5 m length is a part of spacecraft subsystem

SLP (Belgium) Requirements * LP should always be sunlit * LP should avoid the s/c photoelectron cloud * LP should avoid the s/c wave * LP should not obstruct the FOV of particle sensors * It should reach as far as possible from the s/c CoM Possible accommodation as in sketch (* About 45 deg behind s/c as seen from sun) better on spin place * Mounted on s/c antisunward side mass 2.5 kg (0.8 kg + shield) + deployment system (inc Ebox) power 7.5 W (peak 25 W 28 V or 12 V telemetry 3.5 kbps size : Ø5 cm m boom + Ebox = 15 cm x 15 cm x 10 cm (no need for DPU) + Deploment system

WAVES (Prague) mass 6 kg ( kg for a 8mm shield box) – Incl. redundant boards Telemetry <200kbps ; 140 after compression (rate for max science) power 9.4 W (incl. 20%margin, incl. converter efficiency) size 15 cm x 20 cm x 15 cm Box with: -LFR receiver -Redundant DPU -Redundant Power converter The DPU is also used by SLP Requirements: -Need to be placed close to SLP box (interlinked instruments) -FOV requirements: None -Attitude knowledge requirements (a posteriori): 1deg -Attitude control requirements (real-time): None -Instruments on at the same time: SLP, MAG, Search Coil Open to discussion: mass & size (redundant boards), power (efficiency), telemetry

ELF-VLF Search Coil (Orleans) Mass:0.6 kg (does not need shield) + 2 m (minimum) boom telemetry power 0.2 W (0.13 V) size Ø11 cm x 14 2 m boom

STEIN (SSL, USA) mass 2 kg (1.2 kg + shield) power 2 W telemetry 7 kbps size 8 cm x 12 cm x 10 cm FOV: 45° x 20° (look anti-sunward) E-box here

NUVA (LATMOS, Paris) Mass:5 kg + shield telemetry 100 kbps output / 33 kbp nominal power 20 W (standby=5W) size 31 cm x 25 cm x 16 cm (UV) + similar (visible) + Ebox/DPU FOV2°x0.1°

Common Electronics Ion Head FOV 360 o azimuth angle ±30 o elevation with scanning Neutral Head FOV ±15 o azimuth angle around RAM, ±10 o elevation The ACTIVE neutral head occupies a 30 o fraction of the azimuthal plane RAM Instrument z- axis CINMS (NASA/GSFC) mass 3.8 kg (+0.8 kg) including E-box + shield (no need of DPU) power 3.5 W (+1 W) telemetry: 16 kByte/s size Ø20 x 40 cm + Ebox Ø20 x 24 cm (one unit) FOV: 180° x 10° must face RAM direction

Auroral/Airglow camera (Tohoku U) mass/3 camera 4.6 kg (2.3 kg/1 camera) + shield (inc. Ebox/DPU) power/3 camera 15 W (11 W/1 camera) data production: size: about 20 cm x 15 cm x 30 cm (or 10 cm for 1 camera) FOV: 7.6° (16x16 pixel)

MSA (optional: ISAS) mass 9.7 kg (6.6 kg + shield) including E-box power 11.2 W data production: size: 40 cm x 10 cm x 38 cm FOV: 360°x90° (2π steradian, look zenith direction)

Scanner for NUVO reference: scanner on MEX Mass: 1.5 kg Power: 0.5 – 2 W size: 6cm x 26cmx24 cm Scanning angle: ±100°/ 30 sec

ASPOC reference: ASPOC for Cluster Mass: 0.16 kgx kg + shield = 3.5 kg Power: 3-4 W size: 2 emitter of ø6 x 6cm + 20x12x10 cm