Discovered by Parchomenko, P. Observation arc 86.61 yr (31636 days) Perihelion 2.7820 AU (416.18 Gm) Discovered 8 August 1929 Asteroid group Asteroid belt | Discovery date 8 August 1929 Aphelion 3.2709 AU (489.32 Gm) Semi-major axis 3.0265 AU (452.76 Gm) Orbits Sun | |
Discoverers Praskovjya Georgievna Parkhomenko, Praskov′ja Georgievna Parchomenko People also search for 1147 Stavropolis, 1123 Shapleya | ||
1129 Neujmina is a main belt asteroid orbiting the Sun. Approximately 35 kilometers in diameter, it makes a revolution around the Sun once every 5 years. It completes one rotation once every 8 hours. It was discovered by Praskovjya Parchomenko at Simeis on August 8, 1929. It was named for Grigory Nikolaevich Neujmin, an astronomer at the Pulkovo and Simeis Observatories, who discovered seven comets and more than 70 minor planets. Its provisional designation was 1929 PH.
Photometric observations of this asteroid collected during 2008 show a rotation period of 5.089 ± 0.004 hours with a brightness variation of 0.29 ± 0.02 magnitude.
References
1129 Neujmina Wikipedia(Text) CC BY-SA