C/1902 R1 Perrine
more info
Comet C/1902 R1 was discovered on 1 September 1902 by Charles Dillon Perrine (Lick Observatory, California, USA), that is about three months before perihelion passage, and it was last seen on 28 April 1903 [Kronk, Cometography: Volume 3], however the last good quality measurements of its position was made on 31 March.
This comet made its closest approach to the Earth on 7 October 1902 (0.371 au), that is about five weeks after its discovery. At this time it was naked eye object.
Solution given here is based on data spanning over 0.578 yr in a range of heliocentric distances from 1.79 au through perihelion (0.401 au) to 2.44 au.
This Oort spike comet suffers moderate planetary perturbations during its passage through the planetary system that cause a more tight future orbit with semimajor axis of about 1150 au.
This comet was in the original sample of 19 comets used by Oort for his hypothesis on LPCs, and according to presented here statistics for previous perihelion passage, this comet most is dynamically new.
More details in Królikowska et al. 2014.

solution description
number of observations 1491
data interval 1902 09 01 – 1903 03 31
data type perihelion within the observation arc (FULL)
data arc selection entire data set (STD)
range of heliocentric distances 1.79 au – 0.40 au (perihelion) – 2.44 au
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 2501
RMS [arcseconds] 2.28
orbit quality class 1b
orbital elements (heliocentric ecliptic J2000)
Epoch 1902 11 27
perihelion date 1902 11 24.35668378 ± 0.00002538
perihelion distance [au] 0.40107241 ± 0.00000033
eccentricity 0.99996675 ± 0.00000069
argument of perihelion [°] 152.983569 ± 0.000085
ascending node [°] 50.740193 ± 0.000087
inclination [°] 156.354721 ± 0.000036
recip semi-major axis [10-6 au-1] 82.90 ± 1.71
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