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JPL Small-Body Database Browser
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390388 (2013 WB69)
Classification: Main-belt Asteroid          SPK-ID: 2390388
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143612304266515 9.8202e-08  
a 3.121342810496559 6.9581e-08 au
q 2.673079577075428 3.1249e-07 au
i 6.208086512424012 6.1582e-06 deg
node 67.95699671975716 8.2555e-05 deg
peri 324.0872892949244 8.661e-05 deg
M 78.41874377112472 3.3196e-05 deg
tp 2458561.739007366533
(2019-Mar-19.23900737)
0.0001792 TDB
period 2014.237282467281
5.51
6.7352e-05
1.844e-07
d
yr
n .1787277016136989 5.9763e-09 deg/d
Q 3.569606043917689 7.9573e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5823 days (15.94 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:32:47  

Additional Information
 Earth MOID = 1.68248 au 
 Jupiter MOID = 1.8656 au 
 T_jup = 3.191 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457104.5 (2015-Mar-23.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1397182314929339 9.7295e-08  
q 2.690840342457878 3.084e-07 au
tp 2456547.159937238264
(2013-Sep-11.65993724)
0.00016911 TDB
node 68.15001856765473 8.2623e-05 deg
peri 324.2686031114833 8.6943e-05 deg
i 6.201397061888602 6.1482e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      5823 days (15.94 yr)  
   first obs. used      2004-02-13  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62797  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 04:32:47  

Additional Information
 Jupiter MOID = 1.8656 au 
 T_jup = 3.191 
Orbit Covariance (6×6)
  e q tp node peri i
e 9.466320215525203E-15 -2.942350543538166E-14 1.295141278594256E-12 4.152742530612852E-14 -4.376401684806064E-13 6.499198815554467E-15
q -2.942350543538166E-14 9.511030707789466E-14 -3.843441520253268E-12 -1.199453468974432E-13 1.570971642372423E-12 -1.932733391018155E-14
tp 1.295141278594256E-12 -3.843441520253268E-12 2.859674920534499E-8 1.337929925879634E-10 4.584193039645966E-9 -2.10041391529004E-11
node 4.152742530612852E-14 -1.199453468974432E-13 1.337929925879634E-10 6.826564763588228E-9 -6.765872026487538E-9 -3.126588681165436E-11
peri -4.376401684806064E-13 1.570971642372423E-12 4.584193039645966E-9 -6.765872026487538E-9 7.559074900850367E-9 2.72079938511488E-11
i 6.499198815554467E-15 -1.932733391018155E-14 -2.10041391529004E-11 -3.126588681165436E-11 2.72079938511488E-11 3.780022213378014E-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 16.0   n/a MPO455775  

390388 (2013 WB69)          Discovered 2008-Dec-02 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2013 WB69 = 2008 XH43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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