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379906 (2012 JR27)
Classification: Main-belt Asteroid          SPK-ID: 2379906
[ 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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03692773412463533 1.0314e-07  
a 2.420618105476291 2.9177e-08 au
q 2.331230163659984 2.6132e-07 au
i 6.133629149649422 9.8412e-06 deg
node 231.8312081872367 6.4505e-05 deg
peri 162.1922688092037 0.00012361 deg
M 252.1568438556309 0.00010107 deg
tp 2459412.576579152174
(2021-Jul-17.07657915)		 0.00038433 TDB
period 1375.586303280948
3.77		 2.4871e-05
6.809e-08		 d
yr
n .2617065895039478 4.7317e-09 deg/d
Q 2.510006047292598 3.0254e-08 au
   Orbit Determination Parameters
   # obs. used (total)      71  
   data-arc span      5937 days (16.25 yr)  
   first obs. used      2004-03-16  
   last obs. used      2020-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62676  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 18:00:57  

Additional Information
 Earth MOID = 1.33848 au 
 Jupiter MOID = 2.63568 au 
 T_jup = 3.505 
[ 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 17.7   n/a MPO471896  

379906 (2012 JR27)          Discovered 2010-Dec-10 by Mt. Lemmon Survey at Mount Lemmon
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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