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JPL Small-Body Database Browser
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376343 (2011 HY23)
Classification: Main-belt Asteroid          SPK-ID: 2376343
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07000155561581524 1.0235e-07  
a 3.087972491631128 5.9748e-08 au
q 2.871809613518105 3.2327e-07 au
i 8.76032147322351 1.243e-05 deg
node 355.095437622777 4.0622e-05 deg
peri 225.2657936310899 8.9147e-05 deg
M 229.1751171840994 8.3783e-05 deg
tp 2459720.771805258133
(2022-May-21.27180526)
0.00046942 TDB
period 1982.022412799077
5.43
5.7524e-05
1.575e-07
d
yr
n .1816326584781633 5.2715e-09 deg/d
Q 3.304135369744153 6.393e-08 au
  Orbit Determination Parameters
   # obs. used (total)      129  
   data-arc span      7208 days (19.73 yr)  
   first obs. used      2000-03-09  
   last obs. used      2019-12-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59726  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 21:07:28  

Additional Information
 Earth MOID = 1.87325 au 
 Jupiter MOID = 1.70124 au 
 T_jup = 3.204 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO455714  

376343 (2011 HY23)          Discovered 2010-Jan-12 by CSS at Catalina
Reference: Last Updated: 2013-10-21

[ show close-approach data ]
Alternate Designations
 2011 HY23 = 2010 AZ78 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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