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JPL Small-Body Database Browser
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469360 (2001 HC31)
Classification: Main-belt Asteroid          SPK-ID: 2469360
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1840302557305481 1.0395e-07  
a 2.372617561317825 2.2735e-08 au
q 1.935984144757716 2.3794e-07 au
i 1.5563996523142 1.5918e-05 deg
node 113.7889701832178 0.0003417 deg
peri 134.1891010673222 0.00034929 deg
M 58.60700229546774 6.6592e-05 deg
tp 2458783.186330580132
(2019-Oct-26.68633058)
0.00024485 TDB
period 1334.873273277834
3.65
1.9186e-05
5.253e-08
d
yr
n .2696885219044096 3.8763e-09 deg/d
Q 2.809250977877934 2.6918e-08 au
  Orbit Determination Parameters
   # obs. used (total)      54  
   data-arc span      6492 days (17.77 yr)  
   first obs. used      2001-04-27  
   last obs. used      2019-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6157  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 14:44:57  

Additional Information
 Earth MOID = .922579 au 
 Jupiter MOID = 2.22012 au 
 T_jup = 3.520 
[ 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 18.7   n/a MPO472611  

469360 (2001 HC31)          Discovered 2001-Apr-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22

Alternate Designations
 2001 HC31 = 2005 NJ108 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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