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12 May 2003

ISS On-Orbit Status 10 May 2003

Part 2 of 2

EarthKAM (EK):  Setup for next operation is tomorrow, 4/6, in the
SM.  Over 70 schools will participate in this session.

Crew Earth Observations (CEO):  Today's CEO targets, including cities
during daylight and at night (again available as targets in the
current LVLH attitude) were Lisbon, Portugal (nadir pass),
Industrialized SE Africa (looking left for evidence of aerosols.
Industrial South Africa is one of the biggest generators of aerosol
in the southern hemisphere), Tornado damage, Oklahoma (Dynamic event.
Looking left for swaths of damage of the most recent deadly family of
tornados), Havana, Cuba (looking left, on the north coast of Cuba),
Los Angeles, California (nadir and a touch left), Buenos Aires,
Argentina (nadir pass over this city of 13 million, fully 30% of
Argentina's population. Also trying for glint views of the lower
Parana River where very severe floods have occurred), Patagonian
Glaciers (opportunity for low sun-angle panoramas of the southern
Andes ranges, as lighting conditions improve at the bottom of the
orbit), Jarvis Island, Central Pacific (this 2-mile-long island is
located on the equator.  Crew was asked to capture detail of the reef
that completely surrounds this atoll.  The settlement of Millersville
is "usually uninhabited" [CIA Factbook]), Phoenix, AZ (city at night;
good pass just west of the metro area), and Taipeh, Taiwan (Taipeh
and the string of cities along the west coast, all to the right of
track). http://eol.jsc.nasa.gov and http://earthobservatory.nasa.gov

ISS Orbit (as of this morning, 7:51am EDT [= epoch]):

Mean altitude -- 390.0 km
Apogee -- 394.3 km
Perigee -- 385.8 km
Period -- 92.36 min.
Inclination (to Equator) --  51.63 deg
Eccentricity -- 0.0006334
Orbits per 24-hr. day -- 15.59
Mean altitude loss in last 24 hours -- 85 m
Revolutions since FGB/Zarya launch (Nov. '98)  -- 25512
For more on ISS orbit and worldwide naked-eye visibility dates/times,
see http://www.hq.nasa.gov/osf/station/viewing/issvis.html

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