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117026 (2004 JN12)
Classification: Outer Main-belt Asteroid          SPK-ID: 2117026
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08796062053998648 5.3585e-08  
a 3.23381530444892 3.6906e-08 au
q 2.949366903557888 1.6714e-07 au
i 19.20439059544423 6.1876e-06 deg
node 123.2547949800008 1.7174e-05 deg
peri 193.6195328142585 4.1224e-05 deg
M 192.7863614634431 4.0524e-05 deg
tp 2459987.098478422784
(2023-Feb-11.59847842)
0.00024668 TDB
period 2124.081835313644
5.82
3.6362e-05
9.955e-08
d
yr
n .1694849953588733 2.9014e-09 deg/d
Q 3.518263705339952 4.0153e-08 au
  Orbit Determination Parameters
   # obs. used (total)      601  
   data-arc span      7583 days (20.76 yr)  
   first obs. used      1999-07-16  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5515  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:07:40  

Additional Information
 Earth MOID = 1.93778 au 
 Jupiter MOID = 1.76887 au 
 T_jup = 3.092 
[ 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 14.5   n/a MPO385513  
diameter diameter 8.228 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117026 (2004 JN12)          Discovered 2004-May-13 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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