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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1630815183570292 1.9195e-07  
a 2.65010085049855 4.2689e-08 au
q 2.217918379999992 5.0462e-07 au
i 12.08405088675253 8.1183e-06 deg
node 226.1233544344607 5.0754e-05 deg
peri 288.92644191 6.6322e-05 deg
M 349.4598763271902 3.517e-05 deg
tp 2458646.635500353689
(2019-Jun-12.13550035)
0.0001543 TDB
period 1575.767101307702
4.31
3.8075e-05
1.042e-07
d
yr
n .2284601574060292 5.5202e-09 deg/d
Q 3.082283320997108 4.9651e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   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      .55689  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:15:06  

Additional Information
 Earth MOID = 1.26065 au 
 Jupiter MOID = 2.0477 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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