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390179 (2012 WU6)
Classification: Main-belt Asteroid          SPK-ID: 2390179
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1022186612871948 4.5647e-08  
a 2.398029834544876 2.388e-08 au
q 2.152906435130945 1.0575e-07 au
i 2.610598841334335 5.698e-06 deg
node 242.1876556194825 0.00017866 deg
peri 14.60631755562658 0.00018427 deg
M 165.4067915352462 4.6119e-05 deg
tp 2458377.294702159304
(2018-Sep-15.79470216)
0.00017323 TDB
period 1356.376634479628
3.71
2.0261e-05
5.547e-08
d
yr
n .2654130061287243 3.9646e-09 deg/d
Q 2.643153233958806 2.6321e-08 au
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6089 days (16.67 yr)  
   first obs. used      2003-03-27  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:30:52  

Additional Information
 Earth MOID = 1.13803 au 
 Jupiter MOID = 2.39112 au 
 T_jup = 3.519 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457275.5 (2015-Sep-10.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .10229909504886 4.541e-08  
q 2.15289252707857 1.0519e-07 au
tp 2457022.471995141871
(2014-Dec-30.97199514)
0.00017441 TDB
node 242.2074695836162 0.00017882 deg
peri 14.97778218765553 0.00018446 deg
i 2.608953598713272 5.6986e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      155  
   data-arc span      6089 days (16.67 yr)  
   first obs. used      2003-03-27  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61784  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-05 00:30:52  

Additional Information
 Jupiter MOID = 2.39112 au 
 T_jup = 3.519 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.062110754128828E-15 -4.682933235939282E-15 -1.929056578460558E-12 -3.018093460862552E-14 -4.971089514356722E-13 4.040053055814921E-16
q -4.682933235939282E-15 1.106424759440547E-14 4.265663498644293E-12 6.649933663383948E-14 1.120988352165131E-12 -5.455721274977463E-16
tp -1.929056578460558E-12 4.265663498644293E-12 3.041720870225794E-8 2.781904432286547E-10 7.979646285535502E-9 -5.122586805448353E-12
node -3.018093460862552E-14 6.649933663383948E-14 2.781904432286547E-10 3.197647234112667E-8 -3.186918097670892E-8 -4.014717070506047E-10
peri -4.971089514356722E-13 1.120988352165131E-12 7.979646285535502E-9 -3.186918097670892E-8 3.402399741132829E-8 3.99750359252676E-10
i 4.040053055814921E-16 -5.455721274977463E-16 -5.122586805448353E-12 -4.014717070506047E-10 3.99750359252676E-10 3.247386724470675E-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 17.3   n/a MPO440684  

390179 (2012 WU6)          Discovered 2007-Apr-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-03-21

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