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187593 (2006 WY117)
Classification: Main-belt Asteroid          SPK-ID: 2187593
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05449259817897516 3.846e-08  
a 2.862009832923491 2.1068e-08 au
q 2.706051481113716 1.2025e-07 au
i 2.707831381624662 4.5842e-06 deg
node 143.3896438521994 8.0013e-05 deg
peri 277.0389911634741 9.1461e-05 deg
M 12.21283773353593 4.2717e-05 deg
tp 2459140.504428417776
(2020-Oct-18.00442842)
0.00020993 TDB
period 1768.500183236893
4.84
1.9528e-05
5.346e-08
d
yr
n .2035623198755289 2.2477e-09 deg/d
Q 3.017968184733267 2.2216e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      6959 days (19.05 yr)  
   first obs. used      2002-01-13  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:03  

Additional Information
 Earth MOID = 1.71948 au 
 Jupiter MOID = 2.16011 au 
 T_jup = 3.298 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457604.5 (2016-Aug-04.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05305418776755123 3.7569e-08  
q 2.709765418384054 1.1721e-07 au
tp 2457355.462552795826
(2015-Nov-28.96255280)
0.00022262 TDB
node 143.523777542209 7.9956e-05 deg
peri 273.7494083274775 9.2396e-05 deg
i 2.707978123621924 4.5859e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      6959 days (19.05 yr)  
   first obs. used      2002-01-13  
   last obs. used      2021-02-01  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50431  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:56:03  

Additional Information
 Jupiter MOID = 2.16011 au 
 T_jup = 3.298 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.411456429934231E-15 -4.351420288494488E-15 1.896892206669428E-12 -2.265160966720763E-15 4.072355574088809E-13 -8.96451396059805E-16
q -4.351420288494488E-15 1.373771646045541E-14 -6.32217403194182E-12 6.523177812639422E-15 -1.344051934260066E-12 3.032236906985607E-15
tp 1.896892206669428E-12 -6.32217403194182E-12 4.955783984590318E-8 -3.219766297669552E-11 1.032154891225683E-8 -2.01080654635322E-12
node -2.265160966720763E-15 6.523177812639422E-15 -3.219766297669552E-11 6.392962561693144E-9 -6.392325295659989E-9 -3.419838024810034E-11
peri 4.072355574088809E-13 -1.344051934260066E-12 1.032154891225683E-8 -6.392325295659989E-9 8.536988550014263E-9 3.373033981132272E-11
i -8.96451396059805E-16 3.032236906985607E-15 -2.01080654635322E-12 -3.419838024810034E-11 3.373033981132272E-11 2.103038754371466E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.48   n/a MPCxxxxx  

187593 (2006 WY117)          Discovered 2006-Nov-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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