JPL Small-Body Database Browser

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C/2020 H3 (Wierzchos)

Classification: Hyperbolic Comet SPK-ID: 1003678

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.

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Orbital Elements at Epoch 2458982.5 (2020-May-13.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	1.002165268687532	0.00013096
a	-1064.232469562615	64.351	au
q	2.304349242598755	4.1092e-05	au
i	62.36872739382149	0.00093615	deg
node	270.56927253	0.0008059	deg
peri	29.60941311621433	0.0014839	deg
M	-.0006123976852745706	5.555e-05	deg
t_p	2459004.071692663076 (2020-Jun-03.57169266)	0.003892	TDB
period	n/a n/a	n/a n/a	d yr
n	2.838894911212991E-5	2.5749e-06	deg/d
Q	n/a	n/a	au

Orbit Determination Parameters

# obs. used (total)	87
data-arc span	74 days
first obs. used	2020-04-25
last obs. used	2020-07-08
planetary ephem.	DE431
SB-pert. ephem.	SB431-N16
norm. resid. RMS	.46099
source	ORB
producer	Otto Matic
solution date	2020-Jul-09 22:14:14

Additional Information

Earth MOID = 1.3719 au

Jupiter MOID = 2.72506 au

T_jup = 0.946

[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
comet total magnitude	M1	13.7		0.6	9	from 59 observations, assumed slope, autocmod 2.8
comet total magnitude slope	K1	10.		n/a	9	autocmod 2.8

[ Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters ]

2020-Jul-16 14:55 UT
(server date/time)

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