| Crew: 5 | CDR - Richard N. Richards |
| Plt - Robert D. Cabana | |
| MS 1 - Bruce E. Melnick (EV 1) | |
| MS 2 - William M. Shepherd | |
| MS 3 - Thomas D. Akers (EV 2) | |
| Launch | 6 October 1990 @ 0747:15 EDT |
| Orbital incl: | 28.47 |
| Max alt: | 328.3 km. |
| Orbits: | 65 |
| Dur: | 4:02:10:04 |
| Landing: | 10 October 1990 @ 0657:19 PDT |
| Launch Window: | 2 hours, 35 minutes (7:35 - 10:10 am EDT) |
| Planetary window for Ulysses: | 18 days: 5 - 23 October 1990 |
| TAL Sites: | Ben Guerir |
| AOA site: | Edwards AFB |
| Primary landing site: | Edwards AFB, scheduled at 6:54 am PDT on 10 October |
| Landing Speed: | 194 knots (223 mph) |
| Landing rollout: | 8,542' from main gear touchdown |
| Vehicle weight @ liftoff: | 4,524,982 lbs |
| Orbiter weight @ liftoff: | 256,330 lbs |
| Orbiter weight @ landing: | 197,385 lbs |
| Cargo mass approx.: | 47,340 lbs |
| Landing Weight: | 3,316 lbs |
| Special mission kits: | RMS-301, EMU's 2013 & 2008, GAlley, teleprinter, TAGS, APC, 70 mm Rolliflex Camera and an advanced Ariflex Camera for evaluation |
| Ulysses Solar Probe/IUS-17-PAM S - 1990-090B | Deployed mass - 44,024 lbs. Probe - 807 lbs |
| SSBUV | Shuttle Solar Backscatter Ultraviolte - 1,215 lbs. (see STS-34) |
| ISAC | Intelsat Solar Array Coupon - Two witness plates mounted on RMS, tfor Intelsat VI rescue mission evaluation. Also including Space Station material samples. |
| Mid-deck | SSCE (Solid Surface Combustion Experiment), IPMP (see STS-31), CHROMEX (see STS-29), PSE (Physiological System Experiment), VCS (Voice Command System), RME-III and AMOS |
| SSME's: | 2011 (1) - 6th use, 2031 (2) - 4th use, 2107 (3) - 8th use. AtTower Clear 104% |
| OMS Pods/Engines: | LP-04/109 - Pod 8th use, Motor 5th use & RP-01/111 - Pod 4th use, Motor 8th use |
| ET: | ET-39 (LWT-32) |
| SRB's: | BI-040 (RSRM-13) - Set successfully recovered |
| Left - 40A | Right - 40B | |||
| trip | # | Fwd | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Cyl | # | trip |
| trip | # | Att | # | trip |
| trip | # | Stf | # | trip |
| trip | # | Stf | # | trip |
| trip | # | Aft | # | trip |
| 26 March 1990 | ET-39 arrives on dock KSC |
| 8 May 1990 | OV-103 returns to OPF-1 following Mission-35/STS-31R |
| 11 June 1990 | Partially stacked SRB's were rolled out to Pad 39B to make room for STS-35 rollback |
| 18 June 1990 | Partially stacked SRB's returned to VAB |
| 1 August 1990 | ET/SRB mate |
| 27 August 1990 | OV-103 rollover from OPF-1 to VAB High Bay 3 for stacking the next day |
| 4 September 1990 | Stack rollout to Pad 39B |
| 8 September 1990 | Ulysses payload installed in cargo bay at Pad 39B |
| 11 September 1990 | TCDT dress rehearsal conducted with crew aboard orbiter |
| 3 October 1990 | Astronaut arrival KSC; "Call to stations" 43 hr countdown started at 3:30 am EDT |
| 6 October 1990 | Launch |
| 10 October 1990 | Landing at Edwards AFB |
| 15 October 1990 | First leg of ferry flight from Edwards AFB to Sheppard AFB to Eglin AFB for over night stay |
| 16 October 1990 | Final leg from Eglin AFB to KSC for delivery to OPF-1 the next day |
| 8 February 1992 | Jupiter fly-by |
| 26 June 1994 | Begin first solar pass - Southern hemisphere |
| 5 November 1994 | End first solar pass - southern hemisphere |
| 19 June 1995 | Start second solar pass - northern hemisphere |
| 29 September 1995 | End second solar pass - northern hemisphere |