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146230 (2000 WN95)
Classification: Main-belt Asteroid          SPK-ID: 2146230
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3024509651594565 5.3952e-08  
a 3.0938335611906 2.1164e-08 au
q 2.158100614565785 1.6523e-07 au
i 12.47783158706755 4.5437e-06 deg
node 261.0759934454259 2.8738e-05 deg
peri 257.5687728327452 2.9114e-05 deg
M 151.1076769348727 8.3053e-06 deg
tp 2458166.189182710095
(2018-Feb-16.68918271)
4.2117e-05 TDB
period 1987.668001499469
5.44
2.0396e-05
5.584e-08
d
yr
n .1811167658423947 1.8585e-09 deg/d
Q 4.029566507815415 2.7565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:29:43  

Additional Information
 Earth MOID = 1.20804 au 
 Jupiter MOID = 1.40983 au 
 T_jup = 3.117 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457456.5 (2016-Mar-09.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2995894401148158 5.4368e-08  
q 2.170525355618311 1.6638e-07 au
tp 2458165.144535958216
(2018-Feb-15.64453596)
4.2582e-05 TDB
node 261.1287798088215 2.8711e-05 deg
peri 257.7255660933302 2.9094e-05 deg
i 12.47129600298498 4.5371e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      586  
   data-arc span      7264 days (19.89 yr)  
   first obs. used      2000-11-21  
   last obs. used      2020-10-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50596  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 14:29:43  

Additional Information
 Jupiter MOID = 1.40983 au 
 T_jup = 3.117 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.955854049516517E-15 -9.011005128038456E-15 5.126390064076156E-14 5.753982651360914E-15 1.539200304667641E-14 7.855749253590733E-15
q -9.011005128038456E-15 2.76836582461895E-14 5.175054505668456E-14 -1.410638014996552E-14 -4.53005153009176E-14 -1.454250371292419E-14
tp 5.126390064076156E-14 5.175054505668456E-14 1.813184866785025E-9 2.974014127999629E-12 2.817216354665607E-10 2.412344510016926E-12
node 5.753982651360914E-15 -1.410638014996552E-14 2.974014127999629E-12 8.243112808196494E-10 -8.044562312581848E-10 2.820282496260958E-11
peri 1.539200304667641E-14 -4.53005153009176E-14 2.817216354665607E-10 -8.044562312581848E-10 8.464798197499792E-10 -2.748514556743682E-11
i 7.855749253590733E-15 -1.454250371292419E-14 2.412344510016926E-12 2.820282496260958E-11 -2.748514556743682E-11 2.05854429836024E-11

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 14.6   n/a MPO348314  

146230 (2000 WN95)          Discovered 2000-Nov-21 by LINEAR at Socorro
Reference: 20070106/Numbers.arcLast Updated: 2007-01-09

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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