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134515 (1999 JL124)
Classification: Main-belt Asteroid          SPK-ID: 2134515
[ 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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1615929762381121 4.502e-08  
a 3.036862588456505 1.9503e-08 au
q 2.546126924361641 1.4116e-07 au
i 3.997914688391915 5.1339e-06 deg
node 20.03243457683221 5.4287e-05 deg
peri 223.8268195738861 5.5945e-05 deg
M 336.0105252762079 1.241e-05 deg
tp 2459129.311422714095
(2020-Oct-06.81142271)		 6.6746e-05 TDB
period 1933.019072363584
5.29		 1.8621e-05
5.098e-08		 d
yr
n .1862371691758906 1.7941e-09 deg/d
Q 3.527598252551368 2.2655e-08 au
   Orbit Determination Parameters
   # obs. used (total)      635  
   data-arc span      7661 days (20.97 yr)  
   first obs. used      1999-05-07  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59624  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 22:20:01  

Additional Information
 Earth MOID = 1.53511 au 
 Jupiter MOID = 1.50925 au 
 T_jup = 3.218 
[ 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 15.1   n/a MPO432808  
diameter diameter 4.566 km 0.224 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

134515 (1999 JL124)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20060907/Numbers.arcLast Updated: 2006-09-10

[ show close-approach data ]
Alternate Designations
 1999 JL124 = 2004 FW20 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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