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186389 (2002 JL117)
Classification: Outer Main-belt Asteroid          SPK-ID: 2186389
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09803261220878326 4.7358e-08  
a 3.230666522265691 3.4366e-08 au
q 2.91395584391252 1.4348e-07 au
i 19.8315963191972 5.9197e-06 deg
node 89.66611864649549 1.4721e-05 deg
peri 52.16231979430454 3.8959e-05 deg
M 129.6092155615232 3.4909e-05 deg
tp 2458436.892816597263
(2018-Nov-14.39281660)
0.00020305 TDB
period 2120.98024692153
5.81
3.3842e-05
9.265e-08
d
yr
n .1697328395785475 2.7083e-09 deg/d
Q 3.547377200618862 3.7735e-08 au
  Orbit Determination Parameters
   # obs. used (total)      391  
   data-arc span      6703 days (18.35 yr)  
   first obs. used      2002-04-10  
   last obs. used      2020-08-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51383  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:51:04  

Additional Information
 Earth MOID = 1.96939 au 
 Jupiter MOID = 1.74362 au 
 T_jup = 3.086 
[ 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 14.94   n/a E2021B55  
diameter diameter 7.507 km 0.929 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.034   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

186389 (2002 JL117)          Discovered 2002-May-04 by NEAT at Palomar
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2002 JL117 = 2005 UX500 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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