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214950 (2007 WU20)
Classification: Main-belt Asteroid          SPK-ID: 2214950
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01855356865781817 6.3595e-08  
a 2.714565959670519 2.7421e-08 au
q 2.664201073761596 1.6987e-07 au
i 13.9722952555108 6.8864e-06 deg
node 112.2592509807974 2.3558e-05 deg
peri 341.2809473216462 0.00015688 deg
M 310.1720423333229 0.00015543 deg
tp 2459226.609917271567
(2021-Jan-12.10991727)
0.00070564 TDB
period 1633.612414184919
4.47
2.4753e-05
6.777e-08
d
yr
n .2203705094758476 3.3391e-09 deg/d
Q 2.764930845579443 2.793e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7559 days (20.70 yr)  
   first obs. used      1997-10-30  
   last obs. used      2018-07-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 10:18:34  

Additional Information
 Earth MOID = 1.68271 au 
 Jupiter MOID = 2.32537 au 
 T_jup = 3.318 
[ 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 16.1   n/a MPO450014  

214950 (2007 WU20)          Discovered 2007-Nov-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20090509/Numbers.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2007 WU20 = 2000 JN67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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