Discovered by A. Schwassmann Alternative names 1921 JD Aphelion 3.4384 AU (514.38 Gm) Discovered 8 February 1921 Asteroid group Asteroid belt | Discovery date 8 February 1921 Observation arc 109.28 yr (39915 days) Perihelion 2.0641 AU (308.78 Gm) Absolute magnitude 9.9 Discovery site Hamburg Observatory | |
Discoverer Friedrich Karl Arnold Schwassmann Similar 528 Rezia, 540 Rosamunde, 679 Pax, 509 Iolanda, 625 Xenia | ||
947 Monterosa is a minor planet orbiting the Sun.
Observations performed at the Palmer Divide Observatory in Colorado Springs, Colorado in during 2007 produced a light curve with a period of 5.164 ± 0.001 hours with a brightness range of 0.23 ± 0.02 in magnitude. This differs from a period of 2.376 hours reported in 2007.
References
947 Monterosa Wikipedia(Text) CC BY-SA