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437399 (2013 WR64)
Classification: Main-belt Asteroid          SPK-ID: 2437399
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .162915199011183 8.9647e-08  
a 2.624755172076552 3.5085e-08 au
q 2.197142660862069 2.4064e-07 au
i 12.63847350589118 9.3708e-06 deg
node 252.3159932972154 6.0295e-05 deg
peri 182.897980728756 8.2631e-05 deg
M 178.2853871477058 5.413e-05 deg
tp 2458231.290082863696
(2018-Apr-22.79008286)
0.00022979 TDB
period 1553.215182687129
4.25
3.1143e-05
8.526e-08
d
yr
n .2317772862464456 4.6473e-09 deg/d
Q 3.052367683291036 4.0801e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      6695 days (18.33 yr)  
   first obs. used      2000-11-30  
   last obs. used      2019-03-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62224  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:44:11  

Additional Information
 Earth MOID = 1.21228 au 
 Jupiter MOID = 2.23193 au 
 T_jup = 3.350 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.5   n/a MPCxxxxx  

437399 (2013 WR64)          Discovered 2013-Oct-24 by CSS at Catalina
Reference: Last Updated: 2015-06-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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