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382168 (2012 HP79)
Classification: Outer Main-belt Asteroid          SPK-ID: 2382168
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 .2178000366793201 9.5358e-08  
a 3.224067506227041 7.3024e-08 au
q 2.521865485114188 2.673e-07 au
i 26.41574493090866 2.0263e-05 deg
node 57.15554367834577 2.3274e-05 deg
peri 257.7823687736403 9.2367e-05 deg
M 121.4796226283167 7.8212e-05 deg
tp 2458486.980987100071
(2019-Jan-03.48098710)
0.00045025 TDB
period 2114.485039436559
5.79
7.1839e-05
1.967e-07
d
yr
n .1702542194840633 5.7843e-09 deg/d
Q 3.926269527339895 8.8929e-08 au
  Orbit Determination Parameters
   # obs. used (total)      66  
   data-arc span      4522 days (12.38 yr)  
   first obs. used      2007-08-11  
   last obs. used      2019-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57035  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 10:53:07  

Additional Information
 Earth MOID = 1.65119 au 
 Jupiter MOID = 1.73328 au 
 T_jup = 2.990 
[ 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 15.9   n/a MPO503463  

382168 (2012 HP79)          Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-12-19

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