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379864 (2012 HK3)
Classification: Main-belt Asteroid          SPK-ID: 2379864
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3097138973695451 7.6505e-08  
a 2.721131781811796 6.1118e-08 au
q 1.87835945241073 2.2983e-07 au
i 10.84320244911753 8.6708e-06 deg
node 90.67817419897619 4.5158e-05 deg
peri 231.4914747909681 4.7221e-05 deg
M 214.5891474133219 1.6673e-05 deg
tp 2459662.742592313497
(2022-Mar-24.24259231)
9.0244e-05 TDB
period 1639.542915758276
4.49
5.5238e-05
1.512e-07
d
yr
n .2195733924009563 7.3976e-09 deg/d
Q 3.563904111212863 8.0048e-08 au
  Orbit Determination Parameters
   # obs. used (total)      137  
   data-arc span      6969 days (19.08 yr)  
   first obs. used      2001-01-03  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .66471  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:14:38  

Additional Information
 Earth MOID = .886931 au 
 Jupiter MOID = 1.84189 au 
 T_jup = 3.263 
[ 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 16.2   n/a MPO353303  

379864 (2012 HK3)          Discovered 2010-Jan-06 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

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