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JPL Small-Body Database Browser
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243372 (2008 WN128)
Classification: Main-belt Asteroid          SPK-ID: 2243372
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 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1464258950392094 7.261e-08  
a 2.437622110152011 1.9742e-08 au
q 2.080691110905637 1.8117e-07 au
i 1.73348976110831 5.3578e-06 deg
node 279.3531265721783 0.00023496 deg
peri 213.7365014804409 0.00023587 deg
M 219.3676870567448 2.007e-05 deg
tp 2459143.538494133032
(2020-Oct-21.03849413)
7.9033e-05 TDB
period 1390.106255073633
3.81
1.6888e-05
4.624e-08
d
yr
n .2589730092113937 3.1461e-09 deg/d
Q 2.794553109398386 2.2633e-08 au
  Orbit Determination Parameters
   # obs. used (total)      222  
   data-arc span      7907 days (21.65 yr)  
   first obs. used      1998-03-04  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57235  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:14:59  

Additional Information
 Earth MOID = 1.09571 au 
 Jupiter MOID = 2.24754 au 
 T_jup = 3.488 
[ 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 17.3   n/a MPO348656  

243372 (2008 WN128)          Discovered 2008-Nov-22 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

Alternate Designations
 2008 WN128 = 2006 KE109 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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