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227479 (2005 WE190)
Classification: Main-belt Asteroid          SPK-ID: 2227479
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09332385276760866 1.0405e-07  
a 2.597226978428789 2.3656e-08 au
q 2.354843750289839 2.7385e-07 au
i 14.06911317841406 9.2478e-06 deg
node 199.7282876420348 1.4976e-05 deg
peri 151.2100278712135 3.6506e-05 deg
M 268.1198383360643 3.2668e-05 deg
tp 2459590.695750116083
(2022-Jan-11.19575012)
0.00014125 TDB
period 1528.844393587157
4.19
2.0887e-05
5.719e-08
d
yr
n .2354719692272443 3.2171e-09 deg/d
Q 2.839610206567738 2.5864e-08 au
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      5887 days (16.12 yr)  
   first obs. used      2004-05-30  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:55  

Additional Information
 Earth MOID = 1.35848 au 
 Jupiter MOID = 2.56038 au 
 T_jup = 3.368 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457333.5 (2015-Nov-07.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09187536780442436 1.0394e-07  
q 2.360382483515448 2.733e-07 au
tp 2458062.073267272357
(2017-Nov-04.57326727)
0.00013465 TDB
node 199.7456964196338 1.4981e-05 deg
peri 151.1872359423899 3.6969e-05 deg
i 14.06253570503403 9.2448e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      329  
   data-arc span      5887 days (16.12 yr)  
   first obs. used      2004-05-30  
   last obs. used      2020-07-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57817  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:55  

Additional Information
 Jupiter MOID = 2.56038 au 
 T_jup = 3.368 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.080429118488252E-14 -2.83201863975299E-14 8.775795430241596E-12 2.127800054555832E-14 2.443797342545574E-12 -3.670665577420103E-14
q -2.83201863975299E-14 7.469198553576825E-14 -2.173747876129203E-11 -5.727020207124306E-14 -6.157524152419091E-12 9.799352100791601E-14
tp 8.775795430241596E-12 -2.173747876129203E-11 1.81310923911089E-8 1.04629834599227E-11 4.524898840909798E-9 -2.199242429134925E-11
node 2.127800054555832E-14 -5.727020207124306E-14 1.04629834599227E-11 2.244207621814729E-10 -2.139147073629137E-10 -3.598065018785406E-11
peri 2.443797342545574E-12 -6.157524152419091E-12 4.524898840909798E-9 -2.139147073629137E-10 1.366673003966839E-9 2.853855850044398E-11
i -3.670665577420103E-14 9.799352100791601E-14 -2.199242429134925E-11 -3.598065018785406E-11 2.853855850044398E-11 8.546578908731732E-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 16.30   n/a E2021B55  

227479 (2005 WE190)          Discovered 2005-Nov-20 by LONEOS at Anderson Mesa
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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