Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft

Details Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft

Feb 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992a%26a...254..393g&link_type=abstract

Astronomy and Astrophysics, Vol.254, NO. FEB(I), P. 393, 1992

Astronomy and Astrophysics

Astrophysics

6

Asteroids, Photometry, Planets And Satellites: Individual: 243 Ida

Scientific paper

According to the present mission planning, 243 Ida will be the second main belt asteroid to be encountered by the Galileo spacecraft, the fly-by being scheduled for August 1993. In the framework of our observation program of space mission targets, we have undertaken CCD and photoelectric measurements of 243 Ida in the B and V Johnson bands from the observatories of Loiano (Italy) and ESO (La Silla, Chile) at the time of its 1990 apparition.
From seven observations which spanned a period of three months in time and a phase angle range from about 4 to 20 degrees, we obtain three composite lightcurves of this asteroid. The good quality of these data allows a substantial improvement in the determination of the synodic rotational period of 243 Ida, which results to be Psyn = 4.6330 ± 0.0005 hr. We derive for the first time the magnitude-phase relationship and an estimation for the amplitude-phase relationship (APR) of this asteroid. The computation of the parameters of the Bowell-Harris-Lumme relation from our measurements gives: H = 10.042 ± 0.008 mag and G = 0.15 ± 0.02 mag . From the lightcurve amplitude-phase relation we estimate s (APR) = 0.010 mag deg-1 and m = 0.016 deg-1. We also derive the color index B - V = 0.87 ± 0.03.

Affiliated with

Also associated with

No associations

Rating

Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Physical Study of the Asteroid 243 Ida - Second Fly-By Target of the Galileo Spacecraft will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1044703