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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3099669352370416 7.5444e-08  
a 2.720173166079763 4.5091e-08 au
q 1.877009426475979 2.2942e-07 au
i 10.84341381933187 6.3434e-06 deg
node 90.66981318516969 4.1397e-05 deg
peri 231.5620507266954 4.3089e-05 deg
M 301.5054668634885 1.6739e-05 deg
tp 2459662.760064760253
(2022-Mar-24.26006476)
8.0123e-05 TDB
period 1638.676610855117
4.49
4.0745e-05
1.116e-07
d
yr
n .2196894723554637 5.4625e-09 deg/d
Q 3.563336905683547 5.9068e-08 au
  Orbit Determination Parameters
   # obs. used (total)      205  
   data-arc span      7440 days (20.37 yr)  
   first obs. used      2001-01-03  
   last obs. used      2021-05-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .585  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 07:06:05  

Additional Information
 Earth MOID = .885031 au 
 Jupiter MOID = 1.84245 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 16.33   n/a E2021B25  

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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