801 Helwerthia

From Wikipedia, the free encyclopedia

801 Helwerthia
Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg
Discovery date	March 20, 1915
Designations
Alternative names	1915 WQ; A924 OD; 1925 RG; 1970 GS1
Orbital characteristics
Epoch August 18, 2005 (JDCT 2453600.5)
Aphelion	2.804 AU
Perihelion	2.407 AU
Semi-major axis	2.606 AU
Eccentricity	0.076
Orbital period	4.206 a
Mean anomaly	191.401°
Inclination	14.100°
Longitude of ascending node	186.140°
Argument of perihelion	333.763°

801 Helwerthia is a C-type asteroid orbiting in the Main belt near the Eunomia family. However, it is not a family member but an un-related interloper in the region because its composition is inconsistent with membership. Its diameter is about 33 km, its albedo around 0.038.

References

Supplemental IRAS Minor Planet Survey

External links

Discovery Circumstances: Numbered Minor Planets

v t e Minor planets navigator

800 Kressmannia 801 Helwerthia 802 Epyaxa

Small Solar System bodies

Minor planets

Designation Groups Moons Meanings of names Pronunciation of names

Asteroids	Aten asteroid Families Jupiter Trojans Main-belt Near-Earth Spectral types

Distant minor planets	Centaurs Damocloids Neptune trojans Trans-Neptunian objects Detached Kuiper belt Oort cloud Scattered disc

Comets

Meteoroids

Bolide
Dust
Fireball
Meteor
Meteorite
Tektite

Lists / categories

Asteroid groups and families
Asteroid moons
Binary asteroids
Minor planets

This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.