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6094 Hisako (1990 VQ1)
Classification: Main-belt Asteroid          SPK-ID: 2006094
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1417331186467913 4.2723e-08  
a 2.638262879109292 1.0453e-08 au
q 2.264333653443069 1.1461e-07 au
i 12.12976672106265 4.7871e-06 deg
node 222.7405857690032 1.917e-05 deg
peri 57.26282038083647 2.403e-05 deg
M 329.8104236534746 1.4148e-05 deg
tp 2458731.759288260748
(2019-Sep-05.25928826)
6.1544e-05 TDB
period 1565.220499667852
4.29
9.302e-06
2.547e-08
d
yr
n .2299995432441588 1.3669e-09 deg/d
Q 3.012192104775514 1.1934e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1919  
   data-arc span      17805 days (48.75 yr)  
   first obs. used      1971-01-28  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46854  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 02:51:30  

Additional Information
 Earth MOID = 1.27367 au 
 Jupiter MOID = 2.13137 au 
 T_jup = 3.351 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.4   n/a MPO435757  
diameter diameter 9.345 km 0.173 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
rotation period rot_per 4.050 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Klinglesmith III, D.A.; Hendrickx, S.; Madden, K.; Montgomery, S. (2016) Minor Planet Bull. 43, 234-239.]
geometric albedo albedo 0.222   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

6094 Hisako           Discovered 1990 Nov. 10 by T. Hioki and S. Hayakawa at Okutama.
Hisako Hioki (b. 1929) is the mother of the discoverer and an expert seamstress.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20030614/MPCPages.arcLast Updated: 2005-04-26

Alternate Designations
 1990 VQ1 = 1971 BJ3 = 1972 LE1 = 1993 HA1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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