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85813 (1998 WY26)
Classification: Main-belt Asteroid          SPK-ID: 2085813
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1251095667156226 5.6619e-08  
a 2.584799959420863 1.7692e-08 au
q 2.26141675645116 1.4688e-07 au
i 3.081967223762685 4.6404e-06 deg
node 268.7461288806917 0.00011106 deg
peri 274.9934101294767 0.00011239 deg
M 259.3884803740895 1.8289e-05 deg
tp 2459024.713067053271
(2020-Jun-24.21306705)
7.7955e-05 TDB
period 1517.884877467336
4.16
1.5584e-05
4.267e-08
d
yr
n .2371721369282481 2.435e-09 deg/d
Q 2.908183162390566 1.9905e-08 au
  Orbit Determination Parameters
   # obs. used (total)      375  
   data-arc span      9217 days (25.23 yr)  
   first obs. used      1993-10-09  
   last obs. used      2019-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 07:15:31  

Additional Information
 Earth MOID = 1.26644 au 
 Jupiter MOID = 2.06982 au 
 T_jup = 3.410 
[ 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 16.1   n/a MPO422238  

85813 (1998 WY26)          Discovered 1998-Nov-16 by Spacewatch at Kitt Peak
Reference: 20040830/Numbers.arcLast Updated: 2004-09-06
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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