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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03744299531634379 3.532e-08  
a 2.598130872559528 1.1216e-08 au
q 2.500849070467034 9.3085e-08 au
i 8.342417751740888 4.6707e-06 deg
node 320.4652001379232 3.0967e-05 deg
peri 107.5634704924173 8.5735e-05 deg
M 1.908345585531217 7.7796e-05 deg
tp 2458992.391425972917
(2020-May-22.89142597)
0.00033057 TDB
period 1529.64257201728
4.19
9.9054e-06
2.712e-08
d
yr
n .2353490982702154 1.524e-09 deg/d
Q 2.695412674652023 1.1636e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      8778 days (24.03 yr)  
   first obs. used      1996-01-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:39:49  

Additional Information
 Earth MOID = 1.53063 au 
 Jupiter MOID = 2.41063 au 
 T_jup = 3.400 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456702.5 (2014-Feb-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03678221408479474 3.5726e-08  
q 2.502686894113921 9.394e-08 au
tp 2457452.640568896247
(2016-Mar-05.14056890)
0.00033831 TDB
node 320.5986368991959 3.0939e-05 deg
peri 105.1339562901148 8.6963e-05 deg
i 8.345579478916569 4.6748e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1738  
   data-arc span      8778 days (24.03 yr)  
   first obs. used      1996-01-24  
   last obs. used      2020-02-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47945  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 00:39:49  

Additional Information
 Jupiter MOID = 2.41063 au 
 T_jup = 3.400 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.276331407839874E-15 -3.33397912831663E-15 -3.478895690703702E-12 -8.648378256378614E-16 -8.148899067359973E-13 -3.068862010426169E-15
q -3.33397912831663E-15 8.824752453354413E-15 8.301250588926021E-12 3.509290011422935E-15 1.926085929352132E-12 8.518642943757893E-15
tp -3.478895690703702E-12 8.301250588926021E-12 1.144515187592097E-7 3.627581641778127E-11 2.751613365069124E-8 3.310252047701076E-11
node -8.648378256378614E-16 3.509290011422935E-15 3.627581641778127E-11 9.572325504400227E-10 -9.379240136038041E-10 5.427872484513457E-11
peri -8.148899067359973E-13 1.926085929352132E-12 2.751613365069124E-8 -9.379240136038041E-10 7.562639551079527E-9 -4.586953748557962E-11
i -3.068862010426169E-15 8.518642943757893E-15 3.310252047701076E-11 5.427872484513457E-11 -4.586953748557962E-11 2.18535468463625E-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

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