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JPL Small-Body Database Browser
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59520 (1999 JY18)
Classification: Main-belt Asteroid          SPK-ID: 2059520
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1339929027394436 3.6386e-08  
a 2.337319975434734 1.0384e-08 au
q 2.024135687295349 8.4991e-08 au
i 4.881555105140288 3.7091e-06 deg
node 269.5115691694325 5.245e-05 deg
peri 24.49930904072865 5.5125e-05 deg
M 259.9882132707363 1.9439e-05 deg
tp 2459363.097134978798
(2021-May-28.59713498)
7.1585e-05 TDB
period 1305.19584602294
3.57
8.6982e-06
2.381e-08
d
yr
n .2758206755690769 1.8381e-09 deg/d
Q 2.650504263574119 1.1776e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1134  
   data-arc span      10696 days (29.28 yr)  
   first obs. used      1991-01-14  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52159  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 11:46:37  

Additional Information
 Earth MOID = 1.00918 au 
 Jupiter MOID = 2.51452 au 
 T_jup = 3.550 
[ 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 MPO319776  
diameter diameter 2.471 km 0.448 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.145 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

59520 (1999 JY18)          Discovered 1999-May-10 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 JY18 = 2000 SL177 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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