C/1898 L1 Coddington-Pauly
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C/1898 L1 was discovered on 11 June 1898 by Edwin Foster Coddington at Lick Observatory. Independently, the comet was also found in the evening of 14 June 1898by Wolfgang Pauly in Bucharest, who had no knowledge of this discovery, although the comet was already observed at European observatories previously informed about this event.At the moment of discovery, C/1898 L1 was about 3 months before its perihelion passage and it was last seen on 7 December 1899.
This comet made its closest approach to the Earth on 19 June 1898 (1.079 au), that is a week after its discovery.
Solutions given here are based on data spanning over 1.49 yr in a range of heliocentric distances from 2.09 au through perihelion (1.702 au) to 5.27 au.Two non-gravitational solutions given here differ in how the data was weighted: solution n2 is based on measurements weighted as in the case of pure gravitational orbit determination;while preferred NG solution is obtain in a standard way (dedicated data weighting for non-gravitational orbit determination).
This comet suffers notable planetary perturbations during its passage through the planetary system; these perturbations lead to escape the comet from the planetary zone on hypebolic orbit (see future barycentric orbits).
C/1896 V1 was in the original sample of 19 comets used by Oort for his hypothesis on LPCs; however, according to presented here statistics for previous perihelion passage, this comet seems be dynamically old (see both non-gravitatioal solutions).
See also Królikowska 2020.

solution description
number of observations 371
data interval 1898 06 12 – 1899 12 07
data type perihelion within the observation arc (FULL)
data arc selection entire data set (STD)
range of heliocentric distances 2.09 au – 1.70 au (perihelion) – 5.27 au
type of model of motion NS - non-gravitational orbits for standard g(r)
data weighting YES
number of residuals 716
RMS [arcseconds] 3.02
orbit quality class 1b
orbital elements (heliocentric ecliptic J2000)
Epoch 1898 09 28
perihelion date 1898 09 14.54677150 ± 0.00058358
perihelion distance [au] 1.70157698 ± 0.00001139
eccentricity 1.00099859 ± 0.00002659
argument of perihelion [°] 233.270361 ± 0.000382
ascending node [°] 75.408828 ± 0.000166
inclination [°] 69.935537 ± 0.000209
recip semi-major axis [10-6 au-1] -586.86 ± 15.62
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
non-gravitational parameters
A1 [10-8au\day-2] 0.6425 ± 1.283
A2 [10-8au\day-2] 2.5248 ± 0.8242
A3 [10-8au\day-2] -1.0055 ± 0.4656
m -2.15
n 5.093
k -4.6142
r0 [au] 2.808
α 0.1113