JPL Small-Body Database Browser

+ View the NASA Portal
+ Center for Near-Earth Object Studies

(2020 HB11)

Classification: Centaur SPK-ID: 54017270

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

[ hide orbit diagram ]

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.

[ revert to old Java-based viewer ]

Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)

Element	Value	Uncertainty (1-sigma)	Units
e	.7076312543189139	0.00091028
a	16.5485257382507	0.053714	au
q	4.838271712963525	0.00066116	au
i	147.2975391274913	0.00058027	deg
node	290.1460651913986	0.0035146	deg
peri	104.5464863837809	0.039468	deg
M	358.7602539351245	0.010819	deg
t_p	2459085.177422335294 (2020-Aug-23.67742234)	0.35046	TDB
period	24588.80322702824 67.32	119.72 0.3278	d yr
n	.01464081015558678	7.1283e-05	deg/d
Q	28.25877976353787	0.091724	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.	DE431
SB-pert. ephem.	SB431-N16
condition code	6
norm. resid. RMS	.43786
source	ORB
producer	Otto Matic
solution date	2020-May-27 08:12:09

Additional Information

Earth MOID = 4.02006 au

Jupiter MOID = 1.11834 au

T_jup = -1.806

[ 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	14.947		.4606	1	autocmod 2.8

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

2020-Jul-16 15:06 UT
(server date/time)

Site Manager:	Ryan S. Park
Webmaster:	Alan B. Chamberlin