JPL Small-Body Database Browser

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(2020 HB11)

Classification: Centaur SPK-ID: 54017270

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | 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.

Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.7085483649946795	0.00091075
a	16.59995889396717	0.05407	au
q	4.838085160667843	0.00066099	au
i	147.2958101903651	0.0005802	deg
node	290.150692447142	0.003513	deg
peri	104.5416821612868	0.039423	deg
M	4.537467063045733	0.017869	deg
t_p	2459085.134901138365 (2020-Aug-23.63490114)	0.34996	TDB
period	24703.52600531019 67.63	120.7 0.3305	d yr
n	.01457281846820634	7.12e-05	deg/d
Q	28.3618326272665	0.092381	au

Orbit Determination Parameters

# obs. used (total)	74
data-arc span	37 days
first obs. used	2020-04-18
last obs. used	2020-05-25
planetary ephem.	DE441
SB-pert. ephem.	SB441-N16
condition code	6
norm. resid. RMS	.43786
source	ORB
producer	Otto Matic
solution date	2021-Apr-15 22:25:56

Additional Information

Earth MOID = 4.02053 au

Jupiter MOID = 1.11951 au

T_jup = -1.808

[ show covariance matrix ]

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

Physical Parameter Table

Parameter	Symbol	Value	Units	Sigma	Reference	Notes
absolute magnitude	H	14.99		.4606	MPO545532	autocmod 2.8

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

2021-Jul-28 15:07 UT
(server date/time)

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