C/2001 K3 Skiff
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Comet C/2001 K3 was discovered on 22 May 2001 by Brian A. Skiff during LONEOS project, that is a month after its perihelion passage. It was observed until 12 October 2001.
Comet had its closest approach to the Earth on 15 July 2001 (2.266 au), less than 2 months after discovery.
Solution given here is based on data spanning over 0.392 yr in a range of heliocentric distances from 3.07 au to 3.49 au.
This Oort spike comet suffers notable planetary perturbations during its passage through the planetary system; these perturbations lead to a significantly more tight future orbit with semimajor axis of about 1,500 au.
See also Królikowska 2014.

solution description
number of observations 346
data interval 2001 05 22 – 2001 10 12
data type observed only after perihelion (POST)
data arc selection entire data set (STD)
range of heliocentric distances 3.07 au – 3.49au
detectability of NG effects in the comet's motion NG effects not determinable
type of model of motion GR - gravitational orbit
data weighting YES
number of residuals 669
RMS [arcseconds] 0.67
orbit quality class 2a
orbital elements (heliocentric ecliptic J2000)
Epoch 2001 05 22
perihelion date 2001 04 22.88555150 ± 0.00201821
perihelion distance [au] 3.06018209 ± 0.00001221
eccentricity 0.99905199 ± 0.00002082
argument of perihelion [°] 3.454678 ± 0.000569
ascending node [°] 289.850306 ± 0.000142
inclination [°] 52.026705 ± 0.000265
recip semi-major axis [10-6 au-1] 309.79 ± 6.80
Time distribution of positional observations with corresponding heliocentric (red curve) and geocentric (green curve) distance at which they were taken. The horizontal dotted line shows the perihelion distance for a given comet whereas vertical dotted line – the moment of perihelion passage