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134513 (1999 JN42)
Classification: Main-belt Asteroid          SPK-ID: 2134513
[ 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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149571785708615 5.2094e-08  
a 3.096431953362537 2.0529e-08 au
q 2.740474872367319 1.6553e-07 au
i 1.155741819402704 4.9123e-06 deg
node 46.05043831955359 0.00021624 deg
peri 153.167913300624 0.0002169 deg
M 337.4418296610231 1.7917e-05 deg
tp 2459125.207366617296
(2020-Oct-02.70736662)		 9.95e-05 TDB
period 1990.172576392671
5.45		 1.9792e-05
5.419e-08		 d
yr
n .1808888356066716 1.7989e-09 deg/d
Q 3.452389034357756 2.2889e-08 au
   Orbit Determination Parameters
   # obs. used (total)      686  
   data-arc span      7575 days (20.74 yr)  
   first obs. used      1999-05-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5918  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 07:29:38  

Additional Information
 Earth MOID = 1.73818 au 
 Jupiter MOID = 1.5042 au 
 T_jup = 3.213 
[ 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 14.9   n/a MPO284939  
diameter diameter 5.872 km 0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.062   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134513 (1999 JN42)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 JN42 = 2004 ES42 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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