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JPL Small-Body Database Browser
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26170 Kazuhiko (1996 BH2)
Classification: Main-belt Asteroid          SPK-ID: 2026170
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0371880950293532 3.5519e-08  
a 2.59744760309961 1.139e-08 au
q 2.500853474801776 9.3375e-08 au
i 8.342670872944511 4.7961e-06 deg
node 320.4708831057874 3.0983e-05 deg
peri 107.7890338168407 8.642e-05 deg
M 267.5095382397511 7.8695e-05 deg
tp 2458993.337616255453
(2020-May-23.83761626)
0.00033375 TDB
period 1529.039202102285
4.19
1.0057e-05
2.753e-08
d
yr
n .235441968724565 1.5486e-09 deg/d
Q 2.694041731397444 1.1814e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      8709 days (23.84 yr)  
   first obs. used      1996-01-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:50:12  

Additional Information
 Earth MOID = 1.53042 au 
 Jupiter MOID = 2.41245 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456587.5 (2013-Oct-22.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03688775288921847 3.5985e-08  
q 2.502131700031287 9.4411e-08 au
tp 2455922.547551686729
(2011-Dec-27.04755169)
0.00033983 TDB
node 320.6030415970722 3.0956e-05 deg
peri 105.0267894915728 8.6835e-05 deg
i 8.345526147329139 4.7999e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1655  
   data-arc span      8709 days (23.84 yr)  
   first obs. used      1996-01-24  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48175  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 00:50:12  

Additional Information
 Jupiter MOID = 2.41245 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.294925917940392E-15 -3.37468672729498E-15 -3.41409368458245E-12 -9.959011888012796E-16 -8.045459706954484E-13 -3.048834800623101E-15
q -3.37468672729498E-15 8.913530374774467E-15 8.063319000054785E-12 3.998927882619635E-15 1.907399900353891E-12 8.475008938718445E-15
tp -3.41409368458245E-12 8.063319000054785E-12 1.154858425749056E-7 3.670860534782848E-11 2.759251407450858E-8 3.126717014951027E-11
node -9.959011888012796E-16 3.998927882619635E-15 3.670860534782848E-11 9.582899478625847E-10 -9.385793704408167E-10 5.418846757411642E-11
peri -8.045459706954484E-13 1.907399900353891E-12 2.759251407450858E-8 -9.385793704408167E-10 7.540241879433814E-9 -4.609289287609891E-11
i -3.048834800623101E-15 8.475008938718445E-15 3.126717014951027E-11 5.418846757411642E-11 -4.609289287609891E-11 2.303859108575732E-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 13.5   n/a MPO351006  
diameter diameter 4.928 km 0.180 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.348   0.027 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

26170 Kazuhiko           Discovered 1996 Jan. 24 by T. Niijima at Ojima.
Kazuhiko Ichikawa (b. 1956), a Japanese amateur astronomer, is one of the founders of the Yamaneko Group of Comet Observers and a key member of Ota Uchuno Kai. An organizer of the Cometary Summer School, an advanced workshop for comet research, he has mentored many amateur comet researchers.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030106/MPCPages.arcLast Updated: 2003-10-02

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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