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JPL Small-Body Database Browser
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6306 Nishimura (1989 UL3)
Classification: Main-belt Asteroid          SPK-ID: 2006306
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2345482378891508 3.9869e-08  
a 2.672496180282531 1.4481e-08 au
q 2.045666910431777 1.0949e-07 au
i 14.60023614481296 4.5364e-06 deg
node 84.31160494184748 2.0189e-05 deg
peri 352.54204437877 2.2949e-05 deg
M 247.9363246539338 1.2551e-05 deg
tp 2459097.248343714133
(2020-Sep-04.74834371)
5.8169e-05 TDB
period 1595.783853999444
4.37
1.2971e-05
3.551e-08
d
yr
n .2255944619929244 1.8336e-09 deg/d
Q 3.299325450133285 1.7878e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1626  
   data-arc span      23689 days (64.86 yr)  
   first obs. used      1954-12-22  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .42737  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:53:13  

Additional Information
 Earth MOID = 1.06192 au 
 Jupiter MOID = 1.98033 au 
 T_jup = 3.295 
[ show covariance matrix ]

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 12.7   n/a MPO448976  
diameter diameter 15.573 km 0.215 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 9.690 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Published Reference List:
[Brinsfield, J.W. (2012) Minor Planet Bull. 39, 55-57.]
[Ferrero, A. (2012) Minor Planet Bull. 39, 65-67.]
geometric albedo albedo 0.016   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

6306 Nishimura           Discovered 1989 Oct. 30 by A. Sugie at Dynic Astronomical Observatory.
Yuji Nishimura (b. 1946) is manager of one of the leading manufacturers of optical telescopes in Japan.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1989 UL3 = 1976 YF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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