Discovery | |
---|---|
Discovered by | A. Schwassmann |
Discovery site | Bergedorf |
Discovery date | 8 February 1921 |
Designations | |
(947) Monterosa | |
1921 JD | |
Orbital characteristics [1] | |
Epoch 31 July 2016 ( JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 109.28 yr (39915 days) |
Aphelion | 3.4384 AU (514.38 Gm) |
Perihelion | 2.0641 AU (308.78 Gm) |
2.7513 AU (411.59 Gm) | |
Eccentricity | 0.24975 |
4.56 yr (1666.8 d) | |
61.4561 ° | |
0° 12m 57.528s / day | |
Inclination | 6.7071° |
48.349° | |
338.212° | |
Physical characteristics | |
13.45±0.85 km | |
5.164 h (0.2152 d) | |
0.2937±0.040 | |
9.9 | |
947 Monterosa is a minor planet orbiting the Sun.
Observations performed at the Palmer Divide Observatory in Colorado Springs, Colorado 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. [2]