475 Ocllo Explained

Minorplanet:yes
Background:
  1. D6D6D6
475 Ocllo
Discovery Ref:http://cfa-www.harvard.edu/iau/lists/NumberedMPs.html
Discovered:14 August 1901
Mpc Name:(475) Ocllo
Alt Names:1901 HN; 1959 JS;
1979 DD
Orbit Ref:[1]
Epoch:31 July 2016 (JD 2457600.5)
Semimajor:2.59436AU
Perihelion:1.60661AU
Aphelion:3.5821abbr=onNaNabbr=on
Eccentricity:0.38073
Period:4.18 yr (1526.3 d)
Inclination:18.926°
Asc Node:34.496°
Dimensions:11–25 km
Mass:3.1? kg
Density:2.0? g/cm3
Rotation:7.3151abbr=onNaNabbr=on
Abs Magnitude:11.88
Arg Peri:305.68°
Mean Motion: / day
Observation Arc:97.47 yr (35601 d)
Uncertainty:0
Moid:0.670978AU
Mars Moid:0.3173AU

475 Ocllo is a large Mars-crossing asteroid. It was discovered by American astronomer DeLisle Stewart on August 14, 1901 and was assigned a provisional name of 1901 HN.

Photometric observations of this asteroid at the Organ Mesa Observatory in Las Cruces, New Mexico during 2010 gave a light curve with a period of 7.3151 ± 0.0002 hours and a brightness variation of 0.66 ± 0.04 in magnitude.

Notes and References

  1. Web site: The Asteroid Orbital Elements Database . astorb . Lowell Observatory.