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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08762681866351506 5.3946e-08  
a 3.234594333707157 3.8281e-08 au
q 2.951157122577367 1.6758e-07 au
i 19.20110673869027 6.3511e-06 deg
node 123.2559626257672 2.1529e-05 deg
peri 193.5240695852474 4.8773e-05 deg
M 125.1290273938212 4.4797e-05 deg
tp 2457861.943495875607
(2017-Apr-18.44349588)
0.00026179 TDB
period 2124.849421613185
5.82
3.7721e-05
1.033e-07
d
yr
n .1694237701449395 3.0076e-09 deg/d
Q 3.518031544836947 4.1635e-08 au
  Orbit Determination Parameters
   # obs. used (total)      492  
   data-arc span      7118 days (19.49 yr)  
   first obs. used      1999-07-16  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58609  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 18:31:56  

Additional Information
 Earth MOID = 1.9387 au 
 Jupiter MOID = 1.76624 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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