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190959 (2001 WX9)
Classification: Main-belt Asteroid          SPK-ID: 2190959
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2864914013206626 4.5706e-08  
a 2.380663212991089 1.1432e-08 au
q 1.698623673028721 1.134e-07 au
i 3.427466052118932 8.3504e-06 deg
node 150.3212819493038 7.6314e-05 deg
peri 240.8929790980773 7.8513e-05 deg
M 88.38835362785156 1.6568e-05 deg
tp 2458871.089140426024
(2020-Jan-22.58914043)
6.0534e-05 TDB
period 1341.668948218351
3.67
9.6644e-06
2.646e-08
d
yr
n .2683225250745025 1.9328e-09 deg/d
Q 3.062702752953456 1.4708e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      7053 days (19.31 yr)  
   first obs. used      2001-09-26  
   last obs. used      2021-01-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5606  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:03:48  

Additional Information
 Earth MOID = .706257 au 
 Jupiter MOID = 2.38646 au 
 T_jup = 3.479 
[ 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 17.0   n/a MPO494056  

190959 (2001 WX9)          Discovered 2001-Nov-17 by LINEAR at Socorro
Reference: 20080917/Numbers.arcLast Updated: 2008-09-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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