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212260 (2005 JG111)
Classification: Main-belt Asteroid          SPK-ID: 2212260
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1607216659875947 5.1884e-08  
a 2.678388534168758 2.0804e-08 au
q 2.247913466795084 1.3418e-07 au
i 13.20995900124208 6.0923e-06 deg
node 70.64887448209589 2.4625e-05 deg
peri 193.0689863969742 3.1898e-05 deg
M 135.2287438997271 2.177e-05 deg
tp 2458399.083545749905
(2018-Oct-07.58354575)
9.6042e-05 TDB
period 1601.064369055868
4.38
1.8654e-05
5.107e-08
d
yr
n .2248504226049878 2.6198e-09 deg/d
Q 3.108863601542433 2.4148e-08 au
  Orbit Determination Parameters
   # obs. used (total)      288  
   data-arc span      6196 days (16.96 yr)  
   first obs. used      2002-11-14  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62116  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:45:07  

Additional Information
 Earth MOID = 1.23444 au 
 Jupiter MOID = 1.96623 au 
 T_jup = 3.322 
[ 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 MPO450007  
diameter diameter 3.629 km 0.153 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

212260 (2005 JG111)          Discovered 2005-May-08 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

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