685 Hermia Explained

Minorplanet:	yes
Background:	D6D6D6
685 Hermia
Mpc Name:	(685) Hermia
Alt Names:	1909 HE
Discovered:	12 August 1909
Epoch:	31 July 2016 (JD 2457600.5)
Eccentricity:	0.19640
Semimajor:	2.236AU
Perihelion:	1.7969AU
Aphelion:	2.6752abbr=onNaNabbr=on
Period:	3.34 yr (1221.3 d)
Inclination:	3.6466°
Asc Node:	235.210°
Arg Peri:	80.876°
Mean Motion:	/ day
Orbit Ref:	^[1]
Observation Arc:	89.52 yr (32696 d)
Uncertainty:	0
Abs Magnitude:	12.0
Rotation:	50.4+/-
Mean Radius:	km

685 Hermia is an S-type asteroid^[2] belonging to the Flora family in the Main Belt. Its diameter is about 11 km and it has an albedo of 0.281.^[3]

Notes and References

1. Web site: 685 Hermia (1909 HE) . . . 5 May 2016.
2. Web site: Asteroid Taxonomy . https://web.archive.org/web/20090805185511/http://www.psi.edu/pds/resource/taxonomy.html . live . 2009-08-05 . PDS Asteroid/Dust Archive . NASA.
3. Web site: Supplemental IRAS Minor Planet Survey (SIMPS) and IRAS Minor Planet Survey (IMPS) . https://archive.today/20070119015129/http://www.psi.edu/pds/resource/imps.html . live . 2007-01-19 . PDS Asteroid/Dust Archive . NASA.