Microscope

 2016-025B

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Microsatellite `a trane'e Compens'ee pour l'Observation du Principe d'Equivalence. Uses Myriade 5 bus. CNES Microscope microsat to test equivalence principle. Two masses of different materials on the same orbit.

CNES is prime contractor; ONERA is lead payload agency. Deploys two 4.5m long booms at end of mission to increase drag. 303 kg. 1.0 x 1.4 x 1.5m box + 2 panels span 3.5m?

Date	Time	Event	Orbit
2016 Apr 25	2102:13	Launch by Soyuz ST-A/Fregat	CSG ELA3
		T+1:58 BVGD sep
		T+3:29 Fairing sep
		T+4:48 Blok A sep
		T+8:45? Blok I MECO
	2111	T+9:24 Block I sep -500? x 250? x 98.2
	2111	T+9:49 Fregat MES-1
	2122	T+20:14 MECO-1	686 x 686 x 98.2
	2125?	Blok-I entry near Baffin at 71N 61W
	2125	T+23:35 Sentinel-1B sep
	2302	T+2:00:05 MES-2 13s
	2302	T+2:00:18 MECO-2
	2350	T+2:48:11 P-POD eject 3 x 1U cubesats	453 x 665 x 98.2
	2351	T+2:49:01 ASAP-S Multi-payload-carrier eject
2016 Apr 26	0034	T+3:32:35 MES-3 12s
	0034	T+3:32:47 MECO-3
	0100	T+3:57:46 MES-4 16s	711 x 711 x 98.2
	0100	T+3:58:02 MECO-4
	0103	T+4:00:52 Microscope eject
	0118	T+4:15:55 MES-5 29s deorbit over S Atlantic
	0118	T+4:16:24 MECO-5	-2000? x 713
	0118	T+4:16:34 Fregat passivation
	0132?	Fregat entry

Payload:

• Drag free chamber with Ti mass and PtRh alloy mass.

• SAGE Electrostatic differential accelerometers, 2 (ONERA)