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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2099546397760468 7.7048e-08  
a 2.537789819763308 3.4938e-08 au
q 2.004969072327584 1.96e-07 au
i 14.70819545898017 8.1912e-06 deg
node 46.02152358055258 1.8676e-05 deg
peri 136.0607402872408 2.5624e-05 deg
M 118.5581638399005 1.7902e-05 deg
tp 2458114.192612451324
(2017-Dec-26.69261245)
7.4007e-05 TDB
period 1476.664734399368
4.04
3.0494e-05
8.349e-08
d
yr
n .2437926440671922 5.0345e-09 deg/d
Q 3.070610567199032 4.2273e-08 au
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      3518 days (9.63 yr)  
   first obs. used      2008-10-29  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48886  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:45:30  

Additional Information
 Earth MOID = 1.03023 au 
 Jupiter MOID = 1.95222 au 
 T_jup = 3.371 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457412.5 (2016-Jan-25.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2094237190816228 7.7274e-08  
q 2.007238552776546 1.9663e-07 au
tp 2458114.383215604910
(2017-Dec-26.88321560)
7.4007e-05 TDB
node 46.0311746353281 1.8672e-05 deg
peri 136.1318173027132 2.5602e-05 deg
i 14.70753320942849 8.1901e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      238  
   data-arc span      3518 days (9.63 yr)  
   first obs. used      2008-10-29  
   last obs. used      2018-06-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48886  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:45:30  

Additional Information
 Jupiter MOID = 1.95222 au 
 T_jup = 3.371 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.971275693954513E-15 -1.504319520338165E-14 3.691967424641334E-12 7.193864154511197E-14 6.11758230656747E-13 6.710627308831146E-16
q -1.504319520338165E-14 3.866146035252654E-14 -9.630764914894307E-12 -1.858141930432929E-13 -1.710189787376062E-12 3.786816475681927E-15
tp 3.691967424641334E-12 -9.630764914894307E-12 5.476994173861867E-9 6.170261072123532E-11 1.261090484326268E-9 -1.069848791216324E-11
node 7.193864154511197E-14 -1.858141930432929E-13 6.170261072123532E-11 3.486606249823525E-10 -3.228094657834965E-10 7.65461599469451E-12
peri 6.11758230656747E-13 -1.710189787376062E-12 1.261090484326268E-9 -3.228094657834965E-10 6.554819154069208E-10 -1.090886464843558E-11
i 6.710627308831146E-16 3.786816475681927E-15 -1.069848791216324E-11 7.65461599469451E-12 -1.090886464843558E-11 6.707796314319959E-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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