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JPL Small-Body Database Browser
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392483 (2011 HX31)
Classification: Main-belt Asteroid          SPK-ID: 2392483
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05612385561578267 8.1787e-08  
a 2.911608202406381 4.6806e-08 au
q 2.748197524044796 2.4305e-07 au
i 13.16795273709682 7.6714e-06 deg
node 87.63818385836814 3.111e-05 deg
peri 301.7293455471273 6.7902e-05 deg
M 55.75798823612276 5.869e-05 deg
tp 2458319.437811700977
(2018-Jul-19.93781170)
0.00029776 TDB
period 1814.670704387026
4.97
4.3758e-05
1.198e-07
d
yr
n .1983831001016813 4.7837e-09 deg/d
Q 3.075018880767965 4.9433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5595 days (15.32 yr)  
   first obs. used      2003-10-16  
   last obs. used      2019-02-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:03:50  

Additional Information
 Earth MOID = 1.78066 au 
 Jupiter MOID = 2.25568 au 
 T_jup = 3.242 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO418999  

392483 (2011 HX31)          Discovered 2003-Oct-16 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

Alternate Designations
 2011 HX31 = 2003 UV2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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