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392943 (2012 WV7)
Classification: Main-belt Asteroid          SPK-ID: 2392943
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2098087357978116 6.2714e-08  
a 2.537945147796725 2.8489e-08 au
q 2.005462084813304 1.6306e-07 au
i 14.7074846827707 6.8525e-06 deg
node 46.02311398037678 1.7146e-05 deg
peri 136.003431840435 2.2109e-05 deg
M 216.1567032895933 1.5797e-05 deg
tp 2459590.577291208113
(2022-Jan-11.07729121)
6.7764e-05 TDB
period 1476.800307647232
4.04
2.4866e-05
6.808e-08
d
yr
n .2437702634105859 4.1045e-09 deg/d
Q 3.070428210780145 3.4466e-08 au
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      4381 days (11.99 yr)  
   first obs. used      2008-10-29  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:21:18  

Additional Information
 Earth MOID = 1.03043 au 
 Jupiter MOID = 1.95141 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457755.5 (2017-Jan-02.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2095174093437178 6.3005e-08  
q 2.006627602491987 1.6386e-07 au
tp 2458114.521088225148
(2017-Dec-27.02108823)
6.2936e-05 TDB
node 46.02930392723564 1.714e-05 deg
peri 136.1903652854167 2.2061e-05 deg
i 14.70939366884694 6.8531e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      268  
   data-arc span      4381 days (11.99 yr)  
   first obs. used      2008-10-29  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47498  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:21:18  

Additional Information
 Jupiter MOID = 1.95141 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.969578036038246E-15 -1.022596373400495E-14 2.475712066598203E-12 4.77789760276268E-14 4.480744448822495E-13 3.12693664534541E-15
q -1.022596373400495E-14 2.684848285237981E-14 -6.293824326202075E-12 -1.234417810357554E-13 -1.166073782162391E-12 -6.035538907765814E-15
tp 2.475712066598203E-12 -6.293824326202075E-12 3.960937638660625E-9 4.062608905034381E-11 8.763944134618878E-10 -3.442491519734139E-12
node 4.77789760276268E-14 -1.234417810357554E-13 4.062608905034381E-11 2.937704743574436E-10 -2.74602552031705E-10 -2.245966018467484E-12
peri 4.480744448822495E-13 -1.166073782162391E-12 8.763944134618878E-10 -2.74602552031705E-10 4.866928575572241E-10 1.110908795354394E-12
i 3.12693664534541E-15 -6.035538907765814E-15 -3.442491519734139E-12 -2.245966018467484E-12 1.110908795354394E-12 4.696511253602834E-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 16.2   n/a MPO450379  
diameter diameter 3.834 km 0.107 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392943 (2012 WV7)          Discovered 2008-Oct-29 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2012 WV7 = 2008 XL56 = 2010 DQ57 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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