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385833 (2006 HJ31)
Classification: Main-belt Asteroid          SPK-ID: 2385833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1971695870705575 4.7199e-08  
a 2.617367385725688 2.7541e-08 au
q 2.10130213907021 1.172e-07 au
i 13.17704152042121 6.3473e-06 deg
node 208.0293945869097 2.7402e-05 deg
peri 321.7361021518306 3.3355e-05 deg
M 191.6037383294373 2.2128e-05 deg
tp 2459923.978120948969
(2022-Dec-10.47812095)
0.00010051 TDB
period 1546.662146521738
4.23
2.4412e-05
6.684e-08
d
yr
n .2327593009304572 3.6737e-09 deg/d
Q 3.133432632381167 3.2971e-08 au
  Orbit Determination Parameters
   # obs. used (total)      141  
   data-arc span      5293 days (14.49 yr)  
   first obs. used      2006-04-18  
   last obs. used      2020-10-14  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .65318  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 11:06:47  

Additional Information
 Earth MOID = 1.12073 au 
 Jupiter MOID = 1.89998 au 
 T_jup = 3.342 
[ 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 16.98   n/a MPCxxxxx  

385833 (2006 HJ31)          Discovered 2006-Apr-18 by LONEOS at Anderson Mesa
Reference: Last Updated: 2014-02-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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