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14028 Nakamurahiroshi (1994 TZ14)
Classification: Main-belt Asteroid          SPK-ID: 2014028
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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2071379576638463 3.3024e-08  
a 2.552068505492876 8.5913e-09 au
q 2.023438247446857 8.4719e-08 au
i 5.062805698957683 4.4894e-06 deg
node 182.6468951866299 4.927e-05 deg
peri 202.132724845318 5.1138e-05 deg
M 103.4835198225141 1.4825e-05 deg
tp 2458572.439050720939
(2019-Mar-29.93905072)
6.026e-05 TDB
period 1489.14476435247
4.08
7.5196e-06
2.059e-08
d
yr
n .2417494985160426 1.2207e-09 deg/d
Q 3.080698763538895 1.0371e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1754  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1994-10-05  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:19:29  

Additional Information
 Earth MOID = 1.0281 au 
 Jupiter MOID = 2.37412 au 
 T_jup = 3.404 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456338.5 (2013-Feb-15.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2064910820639668 3.3298e-08  
q 2.025223259507948 8.5555e-08 au
tp 2457078.571725183986
(2015-Feb-25.07172518)
5.7395e-05 TDB
node 182.7121926129479 4.9245e-05 deg
peri 201.3430684097477 5.1136e-05 deg
i 5.06026660879796 4.4993e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1754  
   data-arc span      9224 days (25.25 yr)  
   first obs. used      1994-10-05  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52374  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-28 23:19:29  

Additional Information
 Jupiter MOID = 2.37412 au 
 T_jup = 3.404 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.108783071146845E-15 -2.839534856464474E-15 -8.573334485681183E-13 -1.85382610701326E-15 -2.053734052690753E-13 -1.662115972146695E-17
q -2.839534856464474E-15 7.319733593518433E-15 2.357314119862452E-12 6.048369593092818E-15 5.576346994621629E-13 -6.292472516021683E-17
tp -8.573334485681183E-13 2.357314119862452E-12 3.294193746887592E-9 -5.276756584406852E-13 8.101391836932825E-10 2.803054896717009E-13
node -1.85382610701326E-15 6.048369593092818E-15 -5.276756584406852E-13 2.425060838399443E-9 -2.415727218100584E-9 -1.007595534185548E-10
peri -2.053734052690753E-13 5.576346994621629E-13 8.101391836932825E-10 -2.415727218100584E-9 2.614933164902889E-9 1.004955618050214E-10
i -1.662115972146695E-17 -6.292472516021683E-17 2.803054896717009E-13 -1.007595534185548E-10 1.004955618050214E-10 2.02436866639232E-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 14.2   n/a MPO302152  
diameter diameter 4.197 km 0.188 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.230   0.032 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

14028 Nakamurahiroshi           Discovered 1994 Oct. 5 by K. Endate and K. Watanabe at Kitami.
Hiroshi Nakamura (b. 1955) is a well-known amateur astronomer in Kagawa Prefecture, Japan. He built an astronomical observatory in his garden in 1984. His main interests are observing comets and solar eclipses.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2015-01-05Last Updated: 2015-01-07

[ show close-approach data ]
Alternate Designations
 1994 TZ14 = 1997 KF3 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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