NASA Space Station On-Orbit Status 19 February 2006

SpaceRef note: This NASA Headquarters internal status report, as presented here, contains additional, original material produced by SpaceRef.com (copyright © 2006) to enhance access to related status reports and NASA activities.

All ISS systems continue to function nominally, except those noted previously or below. Sunday — off-duty day for Bill McArthur & Valery Tokarev, except for housekeeping and voluntary work. Ahead: Week 20 for Expedition 12. >>>Today 20 years ago (2/19/1986), at the Soviet Union’s Baikonur Cosmodrom (2/20 local), Space Station Mir was launched on a Proton rocket. In the 15 years of its existence, Mir (Peace, World, Village) circled Earth 86,331 times, covering 3.27 billion kilometers (21.8 times the distance Earth-Sun), was visited by 29 Soyuz missions carrying 78 persons, and ten Shuttle flights, of which nine docked to the station. Unofficial reports spoke of crews overcoming 1600 malfunctions on board, and Mir occupants conducted about 16,500 of science experiments. A second version of Mir’s central block was later modified to become “Zvezda”, the Service Module (SM) of the ISS.<<<

FE Valery Tokarev performed the daily routine maintenance of the SM’s environment control & life support system (SOZh), including its toilet system (ASU) and the weekly inspection of the air/liquid condensate separator apparatus (BRPK), as well as the weekly collection of the toilet flush (SP) counter and water supply (SVO) readings for calldown to TsUP/Moscow.

CDR/SO William McArthur ran another periodic atmospheric status check for ppO2 (Partial Pressure Oxygen) and ppCO2 (pp Carbon Dioxide), using the CSA-O2 (Compound Specific Analyzer-Oxygen Sensor).

Both crewmembers completed their regular 2.5-hr. physical exercise program on the TVIS treadmill, RED resistive exerciser and VELO bike with bungee cord load trainer. [Valery’s daily protocol prescribes a strict four-day microcycle exercise with 1.5 hr on the treadmill in unmotorized mode and one hour on VELO plus load trainer (today: Day 1 of the first set).]

At ~12:00pm EST, the CDR held his weekly PFC (private family conference) via S-band/audio.

Working off his discretionary “time available” task list, Tokarev completed his regular checkup on the Japanese experiment GCF-JAXA (Granada Crystallization Facility) in the Russian TBU incubator, maintained at 20 degC, including a temperature check on its ART (automatic temperature recorder). [This daily monitoring/temp checking, carried on the Russian voluntary “time available” task list, will continue until 4/30.]

Also on the voluntary task list for today was the daily status check of the BIO-5 Rasteniya-2 (“Plants-2”) experiment and water tank recharge. [Rasteniya researches growth and development of plants under spaceflight conditions in the Lada-8 greenhouse. The regular maintenance of the experiment (each Monday, Wednesday, Friday and Sunday) involves monitoring of seedling growth, humidity measurements, moistening of the substrate if necessary, topping off the water tank if ~20-25% of the total amount (4 liters) remains, and photo/video recording. Once weekly, data from the Lada greenhouse control unit are recorded on floppy disk for weekly downlink via REGUL-Packet or the new BSR-TM at a suitable occasion

If the MT (Mobile Transporter)’s remaining single heater string should lose power during the current period from today to 2/23 (when the solar Beta angle is greater than +40 deg), ISS may have to maneuver from XPOP (x-axis perpendicular to orbit plane) to an LVLH XVV (local vertical local horizon/x-axis in velocity vector) roll-biased attitude in order to protect MT systems.

No CEO (Crew Earth Observation) photo targets uplinked today.

To date, more than 186,000 of CEO images have been taken in the first five years of the ISS, almost one third of the total number of images taken from orbit by astronauts.

CEO photography can be viewed and studied at the websites:

• http://exploration.nasa.gov/programs/station/CEO.html
• http://eol.jsc.nasa.gov
• http://earthobservatory.nasa.gov
• http://earthobservatory.nasa.gov/Study/AstronautPhotography/

See also the website “Space Station Challenge” at:

• http://voyager.cet.edu/iss/

To view the latest photos taken by the expedition 12 crew visit:

• http://spaceflight.nasa.gov/gallery/images/station/crew-12/ndxpage1.html at NASA’s Human Spaceflight website.

Expedition 12 Flight Crew Plans can be found at http://spaceflight.nasa.gov/station/timelines/

Previous NASA ISS On-orbit Status Reports can be found here. Previous NASA Space Station Status Reports can be found here. Previous NASA Space Shuttle Processing Status Reports can be found here. A collection of all of these reports and other materials relating to Return to Flight for the Space Shuttle fleet can be found here.

ISS Orbit (as of this morning, 11:32am EST [= epoch]):

• Mean altitude — 345.7 km
• Apogee height — 350.6 km
• Perigee height — 340.7 km
• Period — 91.45 min.
• Inclination (to Equator) — 51.64 deg
• Eccentricity — 0.0007371
• Solar Beta Angle — 38.6 deg (magnitude increasing)
• Orbits per 24-hr. day — 15.75
• Mean altitude loss in last 24 hours — 92 m
• Revolutions since FGB/Zarya launch (Nov. 98) — 41464

Events Ahead (all dates Eastern & tentative):

• 02/22/06 — ISS reboost (by 19P; mnvr. back to XPOP after burn)
• 02/23/06 — Airlock Campout SDTO (overnight)
• 03/03/06 — Progress M-54/19P undocking & reentry (mnvr. to LVLH XVV after undock)
• 03/10/06 — ISS reboost (by SM thrusters; mnvr. back to XPOP after burn)
• 03/30/06 — Soyuz TMA-8/12S launch (Pavel Vinogradov/Russia, Jeffrey Williams/US, Marcos Pontes/Brazil)
• 04/01/06 — Soyuz TMA-8/12S docking (SM aft end port; mnvr. to LVLH XVV after dock)
• 04/09/06 — Soyuz TMA-7/11S undocking & reentry (mnvr. to XPOP after undock)
• 04/16/06 — Soyuz TMA-8/12S relocation (SM aft end port to FGB nadir port)
• 04/24/06 — Progress M-56/21P launch
• 04/26/06 — Progress M-56/21P docking (SM aft end port)
• 05/03/06 — ULF1.1 launch (NET, not earlier than)
• 06/15/06 — U.S. EVA (under review)
• 06/19/06 — Progress M-55/20P undocking & reentry
• 06/28/06 — Progress M-57/22P launch
• 06/30/06 — Progress M-57/22P docking
• 07/01/06 — 12A launch (under review)
• 08/01/06 — Russian EVA-16 (under review)
• 09/13/06 — Progress M-56/21P undocking & reentry
• 09/14/06 — Soyuz TMA-9/13S launch
• 09/16/06 — Soyuz TMA-9/13S docking (DC1)
• 09/24/06 — Soyuz TMA-8/12S undocking & reentry
• 10/18/06 — Progress M-58/23P launch
• 10/20/06 — Progress M-58/23P docking
• 12/19/06 — Progress M-57/22P undocking & reentry
• 12/20/06 — Progress M-59/24P launch
• 12/22/06 — Progress M-59/24P docking

ISS Altitude History

Apogee height — Mean Altitude — Perigee height

For more on ISS orbit and worldwide ISS naked-eye visibility dates/times, see http://www.hq.nasa.gov/osf/station/viewing/issvis.html. In addition, information on International Space Station sighting opportunities can be found at http://spaceflight.nasa.gov/realdata/sightings/ on NASA’s Human Spaceflight website. The current location of the International Space Station can be found at http://science.nasa.gov/temp/StationLoc.html at NASA’s Marshall Space Flight Center. Additional satellite tracking resources can be found at http://www.spaceref.com/iss/tracking.html.