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249676 (1999 VK185)
Classification: Main-belt Asteroid          SPK-ID: 2249676
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 .252270317477575 7.2734e-08  
a 3.143134060125463 3.8815e-08 au
q 2.350214632903033 2.3709e-07 au
i 16.88086266351229 8.7027e-06 deg
node 64.31802040460867 2.6871e-05 deg
peri 277.5707176482294 3.139e-05 deg
M 296.8470719423925 2.3236e-05 deg
tp 2459357.553894621630
(2021-May-23.05389462)
0.00013645 TDB
period 2035.367258768027
5.57
3.7702e-05
1.032e-07
d
yr
n .1768722565665627 3.2763e-09 deg/d
Q 3.936053487347893 4.8607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:56  

Additional Information
 Earth MOID = 1.41509 au 
 Jupiter MOID = 1.93504 au 
 T_jup = 3.095 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457037.5 (2015-Jan-15.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2520746584083914 7.293e-08  
q 2.350473113562377 2.3751e-07 au
tp 2457326.170162995777
(2015-Oct-30.67016300)
0.00010924 TDB
node 64.32145585781554 2.6866e-05 deg
peri 278.002077953328 3.1352e-05 deg
i 16.88299683886211 8.7055e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      267  
   data-arc span      7149 days (19.57 yr)  
   first obs. used      1999-11-04  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57522  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:56  

Additional Information
 Jupiter MOID = 1.93504 au 
 T_jup = 3.095 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.318759640876188E-15 -1.71939196080433E-14 1.589180379931822E-12 1.53937163981123E-14 4.087731221736747E-13 -1.000981512694638E-14
q -1.71939196080433E-14 5.641056708835102E-14 -3.006865175772324E-12 -4.992440009780353E-14 -1.043514309046957E-12 3.731661403304233E-14
tp 1.589180379931822E-12 -3.006865175772324E-12 1.193307719452923E-8 -1.487703173441909E-11 1.856763021100257E-9 1.765584890895033E-11
node 1.53937163981123E-14 -4.992440009780353E-14 -1.487703173441909E-11 7.217694114213019E-10 -6.919416132911391E-10 -1.241855195945067E-10
peri 4.087731221736747E-13 -1.043514309046957E-12 1.856763021100257E-9 -6.919416132911391E-10 9.829319693228775E-10 1.207745971798362E-10
i -1.000981512694638E-14 3.731661403304233E-14 1.765584890895033E-11 -1.241855195945067E-10 1.207745971798362E-10 7.57859753040634E-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 15.1   n/a MPO476004  
diameter diameter 2.790 km 0.424 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.189   0.092 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

249676 (1999 VK185)          Discovered 1999-Nov-15 by LINEAR at Socorro
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

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