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(2008 YJ172)
Classification: Outer Main-belt Asteroid          SPK-ID: 3506768
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .476146131450189 1.0186e-06  
a 4.398687071141295 3.2496e-05 au
q 2.304269238757406 2.1251e-05 au
i 7.422144450927074 0.00020196 deg
node 245.5094879443184 0.00034756 deg
peri 233.063786349009 0.0015999 deg
M 124.6245910292936 0.0014374 deg
tp 2457834.001264478600
(2017-Mar-21.50126448)
0.00069405 TDB
period 3369.636291837421
9.23
0.03734
0.0001022
d
yr
n .1068364561694866 1.1839e-06 deg/d
Q 6.493104903525185 4.7968e-05 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      2993 days (8.19 yr)  
   first obs. used      2008-12-29  
   last obs. used      2017-03-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .49739  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Feb-19 09:29:57  

Additional Information
 Earth MOID = 1.32953 au 
 Jupiter MOID = .091841 au 
 T_jup = 2.786 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.0   n/a MPO437963  

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Close-Approach Data ]
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