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379347 (2009 WQ105)
Classification: Main-belt Asteroid          SPK-ID: 2379347
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2872606132760278 4.663e-08  
a 2.617837093004411 1.6931e-08 au
q 1.86583560421123 1.2573e-07 au
i 7.189338089036106 6.2827e-06 deg
node 70.89419257393659 4.5565e-05 deg
peri 11.19202118997537 4.7053e-05 deg
M 185.9341171846872 1.2152e-05 deg
tp 2459748.537738859461
(2022-Jun-18.03773886)
5.7167e-05 TDB
period 1547.078506332751
4.24
1.5009e-05
4.109e-08
d
yr
n .2326966592363542 2.2575e-09 deg/d
Q 3.369838581797592 2.1795e-08 au
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      6801 days (18.62 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Earth MOID = .882255 au 
 Jupiter MOID = 1.90242 au 
 T_jup = 3.336 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457360.5 (2015-Dec-04.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2893185078717139 4.6702e-08  
q 1.857535621406045 1.2579e-07 au
tp 2456658.583509230845
(2014-Jan-01.08350923)
4.1294e-05 TDB
node 70.90439013301659 4.5529e-05 deg
peri 11.10426244812008 4.6991e-05 deg
i 7.197311684930856 6.2958e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      396  
   data-arc span      6801 days (18.62 yr)  
   first obs. used      2000-09-26  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54093  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:10:08  

Additional Information
 Jupiter MOID = 1.90242 au 
 T_jup = 3.336 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.181059679508866E-15 -5.849095886836237E-15 -1.196106894755035E-12 2.432056131243286E-14 -3.520884221267492E-13 -1.073205627158141E-14
q -5.849095886836237E-15 1.58220039820139E-14 3.239158249010044E-12 -6.899802132267373E-14 9.757472820288388E-13 2.982396771972262E-14
tp -1.196106894755035E-12 3.239158249010044E-12 1.705162870113261E-9 -2.511366197264289E-11 5.127365288369503E-10 1.033971771883994E-11
node 2.432056131243286E-14 -6.899802132267373E-14 -2.511366197264289E-11 2.072855501255E-9 -2.063819214273308E-9 -1.812320570342635E-10
peri -3.520884221267492E-13 9.757472820288388E-13 5.127365288369503E-10 -2.063819214273308E-9 2.208199305845939E-9 1.829360637298089E-10
i -1.073205627158141E-14 2.982396771972262E-14 1.033971771883994E-11 -1.812320570342635E-10 1.829360637298089E-10 3.963691558799149E-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 16.3   n/a MPO281811  

379347 (2009 WQ105)          Discovered 2009-Nov-25 by OAM at La Sagra
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2009 WQ105 = 2000 SB374 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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