Discovered by Johann Palisa Alternative names A887 BA, 1942 EL Observation arc 130.29 yr (47590 d) Orbits Sun Discoverer Johann Palisa Discovery site Vienna Observatory | Discovery date 9 March 1882 Minor planet category Main belt (Themis) Discovered 9 March 1882 Spectral type C-type asteroid Asteroid family Themis family | |
Aphelion 3.45415 AU (516.733 Gm) Similar 266 Aline, 220 Stephania, 242 Kriemhild, 222 Lucia, 218 Bianca | ||
223 Rosa is a large Themistian asteroid. It is classified as a combination of C-type and P-type asteroids, so it is probably composed of carbonaceous material rich in water ice. It was discovered by Johann Palisa on March 9, 1882 in Vienna. The origin of the name is not known.
Photometric observations made in 2011–2012 at the Organ Mesa Observatory in Las Cruces, New Mexico produced a light curve with a period of 20.283 ± 0.002 hours and a brightness variation of 0.13 ± 0.02 in magnitude. The curve has two asymmetrical maxima and minima per 20.283-hour cycle.
References
223 Rosa Wikipedia(Text) CC BY-SA