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379863 (2012 HP)
Classification: Inner Main-belt Asteroid          SPK-ID: 2379863
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07283023986484047 4.6321e-08  
a 1.870456691086216 1.4735e-08 au
q 1.734230881617611 9.1385e-08 au
i 21.06635220530055 1.045e-05 deg
node 48.83561736940211 1.8361e-05 deg
peri 74.10775394451983 0.00011858 deg
M 138.6618413143312 0.00010958 deg
tp 2458640.606192169456
(2019-Jun-06.10619217)
0.00028576 TDB
period 934.3722078902268
2.56
1.1041e-05
3.023e-08
d
yr
n .3852854322506711 4.5529e-09 deg/d
Q 2.00668250055482 1.5809e-08 au
  Orbit Determination Parameters
   # obs. used (total)      237  
   data-arc span      5457 days (14.94 yr)  
   first obs. used      2004-02-16  
   last obs. used      2019-01-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56953  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:39:36  

Additional Information
 Earth MOID = .815024 au 
 Jupiter MOID = 3.10046 au 
 T_jup = 3.898 
[ 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 17.9   n/a MPO411308  

379863 (2012 HP)          Discovered 2007-Apr-22 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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