Mars Express

 2003-022A

---

ESA mission to Mars. Astrium-built Orbiter derived from Rosetta. The ASPERA-3 instrument is partly funded by the NASA Discovery program. Launch by Soyuz/Fregat with Starsem fairing (3.7m dia 7.7m long). Control from ESOC via 35-m ESA Perth antenna. 

Mars Express
Date	Time	Event	Orbit
2003 Jun 2	1745:26	Launch by Soyuz/Fregat	KB
		T+1:58 Strapon sep
		T+4:14 Fairing sep
		T+4:47 Blok A sep
		T+4:57 KhO sep
	1754:11	T+8:45 Blok-I MECO
	1754:14	T+8:48 Blok-I sep	-1? x 177 x 51.8 (dV)
			21 x 182 x 51.8 (EFG)
		T+8:53 Fregat SOZ
	1755:14	T+9:48 Fregat MES-1
	1755:35	T+10:09 Fregat MECO-1	185 x 200 x 51.8 (plan)
			177 x 177 x 51.8 (TLE)
			180 x 181 x 51.8 (EFG)
	1902:18	T+1:16:52 Fregat SOZ-2
	1903:13	T+1:17:47 Fregat MES-2
	1917:05	T+1:31:39 Fregat MECO-2, Solar insertion
	1917:17	T+1:31:51 Fregat sep, Vinf = 2.95 km/s	341 x -104700? x 51.8
		Fregat MES-3
		Fregat MECO-3, avoidance	347 x Inf x 51.8
2003 Jun 3	0430	Fregat Pass EL1:4
2003 Jun 3	0436?	Pass EL1:4
2003 Jun 5	2020:26	T+2d TCM-1, v = 32.4km/s
2003 Jun 6	0530	1 Mkm range	1.014 x 1.531 AU x 0.17
2003 Jun 8	0300?	Fregat exit Earth sphere
2003 Jun 8	0315	1.5 Mkm range, exit Earth sphere
2003 Aug 22			1.0143AU x 1.5031AU x 0.16
2003 Dec 16		TCM for Beagle-2 targeting
2003 Dec 19	0831	Beagle-2 sep 0.3m/s
2003 Dec 20	1030?	TCM targeting for 400 km
	1400?	Enter Mars sphere 1.08Mkm
2003 Dec 22	1810	Range to Mars 577000 km
2003 Dec 23	1100	Range to Mars 410000 km
2003 Dec 24	1100	Range to Mars 169000 km
	2100	Range 66800 km
2003 Dec 25	0100	Range 23700 km
2003 Dec 25	0247	MOI 34 min burn	-98 x Inf x 12.0
	0321	MOI CO	400 x 188000 x 13?
2003 Dec 30	0800	MOI-2	250? x 188000 x 86.3?
2004 Jan 4	1313	MOI-3	250 x 40000 x 86.3?
2004 Jan 7	s	MOI-4	250? x 14000 x 86
2004 Jan 7	1213	Pass over Isidis
2004 Jan 9	s	MOI-5	258 x 11560 x 86.3
		G3u	266 x 11580 x 86.6
2004 Feb 26			456.13 260 x 11607 x 86.6
2004 May 6		G3b orbit change	400.3 266 x 10046 x 86.6
2005 May 7		MARSIS Boom one partly deployed
2005 May 11		Boom 1 fully deployed
2005 Jun 13		Boom 2 deploy command
2005 Jun 14		Boom 2 deployment completed.
2005 Jun 17		Boom 3 (Z) deploy
2007 Oct 2		Phobos flyby 140 km
2007 Nov 18		Begin 5-burn orbit adjust to 18:5 res from 11:3
2007 Dec 19		End 5-burn orbit adjust
2008 Jul 12		Phobos flyby 563 km
2008 Jul 17		Phobos flyby 273 km
2008 Jul 23	0334	Pericenter
	0446:23	Phobos flyby 90 km
2008 Jul 28		Phobos flyby 361 km
2008 Aug 3		Phobos flyby 664 km
2010 Jan 1			353 x 10333 x 86.8
2010 Feb 15		Orbit trim
2010 Feb 16	0552	Phobos flyby 991 km
2010 Feb 22		Flyby 2 574 km
2010 Feb 25		Flyby 3 398 km
2010 Feb 28		Flyby 4 226 km
2010 Mar 3	2055	67 km flyby 5
2010 Mar 7		Flyby 6 107 km
2010 Mar 10		Flyby 7 286 km
2010 Mar 13		Flyby 8 476 km
2010 Mar 16		Flyby 9 662 km
2010 Mar 19		Flyby 10 848 km
2010 Mar 23		Flyby 11 1341 km
2010 Mar 26	1217	1304 km flyby 12
2011 Jan 9	1406:30	Phobos flyby 111 km center
2011 Oct		Safemode, computer issues
2011 Oct 16		Tenporary suspension of science ops
2012 Feb		Resumed science ops
2013 Dec 29	0709	Phobos flyby 45 km surface, 58 km center	44 x -71 x 53

Payload:

• 400N LAE plus 8 x 10N thrusters. 595 kg capacity tanks.

• HRSC High Res Stereoscopic Camera, 10m color with 2m res narrow field

• OMEGA, Observatoire pour la Mineralogie L'Eau, les Glaces et l'Activite. 0.5-5.2mu, 100m res.

• PFS Planetary Fourier Spectrometer, 1.2-45mm to get molecular composition and CO2 p,T profile

• MARSIS Mars Advanced Radar for Subsurface and Ionospheric Sounding, 40m long (20m each main booms, 7m zenith boom)

• SPICAM Spectroscopic Investigation of the Characteristics of the Atmosphere of Mars., 2500A ozone absorption line and 1.38mu H2O line.

• MaRS Mars Radio Science Experiment

• ASPERA-3 Analyser of Space Plasmas and Energetic Atoms; ions, e, atoms