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351619 (2005 WA139)
Classification: Main-belt Asteroid          SPK-ID: 2351619
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ 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 .1611806074361409 5.6187e-08  
a 2.24736354015396 1.3512e-08 au
q 1.885132119622109 1.2745e-07 au
i 2.187247475894948 5.8804e-06 deg
node 60.65545458630587 0.0001282 deg
peri 304.6178881611638 0.00012918 deg
M 159.0233732412044 1.853e-05 deg
tp 2458456.915726064501
(2018-Dec-04.41572606)
6.1395e-05 TDB
period 1230.575950114951
3.37
1.1098e-05
3.038e-08
d
yr
n .2925459415701823 2.6384e-09 deg/d
Q 2.609594960685811 1.569e-08 au
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Earth MOID = .884379 au 
 Jupiter MOID = 2.84776 au 
 T_jup = 3.612 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457191.5 (2015-Jun-18.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1614564876539844 5.6222e-08  
q 1.884631724395615 1.2755e-07 au
tp 2457224.402543735219
(2015-Jul-20.90254374)
5.8001e-05 TDB
node 60.67256113078383 0.00012825 deg
peri 304.2074784896486 0.00012922 deg
i 2.187521496805648 5.8773e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      244  
   data-arc span      7805 days (21.37 yr)  
   first obs. used      1998-09-19  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60067  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:56:12  

Additional Information
 Jupiter MOID = 2.84776 au 
 T_jup = 3.612 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.160874851361836E-15 -7.142686221304291E-15 1.175437205715401E-12 1.404523539935592E-15 2.57550196513844E-13 -1.439624907910349E-16
q -7.142686221304291E-15 1.626815324671117E-14 -2.508945101297351E-12 -4.673911872176547E-15 -5.443597617210849E-13 4.233215737308497E-16
tp 1.175437205715401E-12 -2.508945101297351E-12 3.364093858288609E-9 -5.880416085455848E-12 9.346172169658317E-10 -6.200188170491974E-13
node 1.404523539935592E-15 -4.673911872176547E-15 -5.880416085455848E-12 1.644832700820627E-8 -1.643722226716019E-8 -1.669921038605191E-10
peri 2.57550196513844E-13 -5.443597617210849E-13 9.346172169658317E-10 -1.643722226716019E-8 1.669842824932808E-8 1.667058612555514E-10
i -1.439624907910349E-16 4.233215737308497E-16 -6.200188170491974E-13 -1.669921038605191E-10 1.667058612555514E-10 3.454262132669227E-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 17.6   n/a MPO455544  

351619 (2005 WA139)          Discovered 2005-Nov-26 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20130127/Numbers.arcLast Updated: 2013-01-31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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