C/2019 NJ3 | CODEC

C/2019 NJ3 Lemmon

Comet C/2019 NJ3 was discovered on 5 July 2019 as an asteroidal objects, almost 1.5 yr before its perihelion passage. Its cometary features was later detected. This comet was observed to 18 February 2021.

Solution given here is based data span over 1.71 yr in a range of heliocentric distances: 5.95 au – 4.36 au (perihelion) – 4.47 au.

This Oort spike comet suffers tiny planetary perturbations during its passage through the planetary system; its future orbit has very large semimajor axis at the level of 100,000 au.

2019nja1

solution description
number of observations	52
data interval	2019 06 05 – 2021 02 18
data type	perihelion within the observation arc (FULL)
data arc selection	entire data set (STD)
range of heliocentric distances	5.95 au – 4.36 au (perihelion) – 4.47 au
detectability of NG effects in the comet's motion	NG effects not determinable
type of model of motion	GR - gravitational orbit
data weighting	NO
number of residuals	99
RMS [arcseconds]	0.44
orbit quality class	1a

next orbit statistics, both Galactic and stellar perturbations were taken into account
no. of returning VCs in the swarm	129
no. of escaping VCs in the swarm	4872	*
no. of hyperbolas among escaping VCs in the swarm	0
next reciprocal semi-major axis [10^-6 au^-1]	8.19 – 11.31 – 14.58
next perihelion distance [au]	247 – 268 – 288
next aphelion distance [10³ au]	140 – 180 – 240
synchronous stop epoch [Myr]	3.16	S
percentage of VCs with q_next > 20	100

next orbit statistics, here only the Galactic tide has been included
no. of returning VCs in the swarm	146
no. of escaping VCs in the swarm	4855	*
no. of hyperbolas among escaping VCs in the swarm	0
next reciprocal semi-major axis [10^-6 au^-1]	8.39 – 11.51 – 14.76
next perihelion distance [au]	36 – 41 – 46
next aphelion distance [10³ au]	140 – 170 – 240
synchronous stop epoch [Myr]	3.22	S
percentage of VCs with q_next > 20	100