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379346 (2009 WS101)
Classification: Main-belt Asteroid          SPK-ID: 2379346
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .16300942329962 1.9079e-07  
a 2.650788416836453 4.2118e-08 au
q 2.21868492571863 5.0016e-07 au
i 12.08172957654887 8.1145e-06 deg
node 226.1191220793536 5.0497e-05 deg
peri 289.0742113424282 6.5203e-05 deg
M 80.71607512782606 3.5271e-05 deg
tp 2458647.057672662759
(2019-Jun-12.55767266)
0.00015108 TDB
period 1576.380388168087
4.32
3.757e-05
1.029e-07
d
yr
n .2283712755513003 5.4428e-09 deg/d
Q 3.082891907954276 4.8984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      164  
   data-arc span      6168 days (16.89 yr)  
   first obs. used      2002-02-09  
   last obs. used      2018-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54517  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = 1.26083 au 
 Jupiter MOID = 2.04515 au 
 T_jup = 3.340 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO427885  

379346 (2009 WS101)          Discovered 2009-Nov-22 by CSS at Catalina
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WS101 = 2002 CZ287 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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