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269485 Bisikalo (2009 UQ14)
Classification: Main-belt Asteroid          SPK-ID: 2269485
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07376062976331332 5.1545e-08  
a 2.723052700125694 2.9746e-08 au
q 2.522198618085732 1.4864e-07 au
i 7.338373353380109 5.1593e-06 deg
node 240.8283481825212 5.0501e-05 deg
peri 346.9300969627673 6.5499e-05 deg
M 323.0438086332609 4.2476e-05 deg
tp 2459168.987312534162
(2020-Nov-15.48731253)		 0.00019432 TDB
period 1641.279316647574
4.49		 2.6894e-05
7.363e-08		 d
yr
n .2193410934680666 3.5941e-09 deg/d
Q 2.923906782165656 3.1941e-08 au
   Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2002-02-15  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:41:58  

Additional Information
 Earth MOID = 1.51242 au 
 Jupiter MOID = 2.07295 au 
 T_jup = 3.342 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457960.5 (2017-Jul-26.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07400361240481719 5.1763e-08  
q 2.521925232196795 1.4928e-07 au
tp 2457524.382221519043
(2016-May-15.88222152)		 0.00018809 TDB
node 240.840189716265 5.0501e-05 deg
peri 346.3423562680661 6.5305e-05 deg
i 7.338064519120713 5.1597e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      298  
   data-arc span      6638 days (18.17 yr)  
   first obs. used      2002-02-15  
   last obs. used      2020-04-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61706  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-21 15:41:58  

Additional Information
 Jupiter MOID = 2.07295 au 
 T_jup = 3.342 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.67935971689715E-15 -7.600642390618615E-15 -3.619196327678004E-12 -2.292034801661818E-14 -7.90559629703262E-13 4.648227975822918E-17
q -7.600642390618615E-15 2.228413733323085E-14 1.043823225800812E-11 6.975348887335222E-14 2.315790470941224E-12 8.081976712392266E-16
tp -3.619196327678004E-12 1.043823225800812E-11 3.537835262702678E-8 2.670666543372494E-11 7.846436281062004E-9 -4.88309786917679E-12
node -2.292034801661818E-14 6.975348887335222E-14 2.670666543372494E-11 2.550302232380024E-9 -2.522398872272757E-9 -7.046677395063376E-11
peri -7.90559629703262E-13 2.315790470941224E-12 7.846436281062004E-9 -2.522398872272757E-9 4.264774781055373E-9 6.890683310850203E-11
i 4.648227975822918E-17 8.081976712392266E-16 -4.88309786917679E-12 -7.046677395063376E-11 6.890683310850203E-11 2.66225283923452E-11

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO418431  
diameter diameter 4.819 km 0.385 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.033   0.006 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

269485 Bisikalo           Discovered 2009 Oct. 21 by T. V. Kryachko at the Zelenchukskaya Station of Engelhardt Observatory.
Dmitry Valer'evich Bisikalo (b. 1961) is the deputy director of the Institute of Astronomy of Russian Academy of Sciences and a specialist in interacting binary stars and numerical astrophysics. He is the author of three monographs and many papers and an associate editor of "Astronomy reports".
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110615/MPCPages.arcLast Updated: 2013-03-28

Alternate Designations
 2009 UQ14 = 2005 YH206 = 2007 JA31 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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