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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1617996247403735 4.4798e-08  
a 3.037563360500416 1.8676e-08 au
q 2.546086748646341 1.4076e-07 au
i 3.997654898680278 5.1328e-06 deg
node 20.02805984587985 5.167e-05 deg
peri 223.8694849583997 5.3427e-05 deg
M 13.22597357076049 1.2265e-05 deg
tp 2459129.458586312127
(2020-Oct-06.95858631)
6.5843e-05 TDB
period 1933.688192465037
5.29
1.7834e-05
4.883e-08
d
yr
n .1861727249526602 1.717e-09 deg/d
Q 3.529039972354491 2.1698e-08 au
  Orbit Determination Parameters
   # obs. used (total)      681  
   data-arc span      7690 days (21.05 yr)  
   first obs. used      1999-05-07  
   last obs. used      2020-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5887  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:08:38  

Additional Information
 Earth MOID = 1.53361 au 
 Jupiter MOID = 1.50689 au 
 T_jup = 3.217 
[ 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 15.20   n/a E2021B55  
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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