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469244 (2016 JY18)
Classification: Main-belt Asteroid          SPK-ID: 2469244
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07773729009484331 8.6414e-08  
a 3.033950626604097 5.4725e-08 au
q 2.798099526610343 2.6432e-07 au
i 15.05187883831269 9.2102e-06 deg
node 80.43970994374367 2.9982e-05 deg
peri 32.15785244201452 8.0226e-05 deg
M 18.0158117037503 6.6851e-05 deg
tp 2458903.903248042881
(2020-Feb-24.40324804)
0.00035852 TDB
period 1930.239462778345
5.28
5.2225e-05
1.43e-07
d
yr
n .1865053569476939 5.0461e-09 deg/d
Q 3.269801726597851 5.8979e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      5842 days (15.99 yr)  
   first obs. used      2004-01-18  
   last obs. used      2020-01-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54119  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:56:32  

Additional Information
 Earth MOID = 1.82533 au 
 Jupiter MOID = 1.96229 au 
 T_jup = 3.185 
[ 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 15.7   n/a MPO380676  
diameter diameter 4.276 km 0.068 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469244 (2016 JY18)          Discovered 2008-Dec-08 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2016 JY18 = 2010 KS20 = 2015 DZ194 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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