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6210 Hyunseop (1991 AX1)
Classification: Main-belt Asteroid          SPK-ID: 2006210
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 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02261482715266548 3.4945e-08  
a 2.861196881178527 1.4092e-08 au
q 2.796491408260929 1.0138e-07 au
i 3.018370040740133 3.7891e-06 deg
node 125.8587375295503 8.4582e-05 deg
peri 15.25380232657959 0.00013178 deg
M 286.8329105793921 0.00010107 deg
tp 2458959.780229729944
(2020-Apr-20.28022973)
0.00049681 TDB
period 1767.746725023483
4.84
1.306e-05
3.576e-08
d
yr
n .2036490832674108 1.5045e-09 deg/d
Q 2.925902354096125 1.4411e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2458  
   data-arc span      21116 days (57.81 yr)  
   first obs. used      1962-02-10  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45352  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 22:10:22  

Additional Information
 Earth MOID = 1.80941 au 
 Jupiter MOID = 2.05216 au 
 T_jup = 3.299 
[ 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 12.6   n/a MPO425867  
diameter diameter 8.670 km 0.269 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 2.918 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.235   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

6210 Hyunseop           Discovered 1991 Jan. 14 by M. Matsuyama and K. Watanabe at Kushiro.
Seo Hyun-seop (b. 1944), a professor at Pukyung University, Korea, and also at Kyusyu University, Japan, is an amateur astronomer interested in minor planets. He was a Korean ambassador and published books on international friendship between Korea and Japan. The name was suggested by K. Hurukawa.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050125/MPCPages.arcLast Updated: 2005-06-01

[ show close-approach data ]
Alternate Designations
 1991 AX1 = 1962 CZ = 1982 FX1 = 1989 UF6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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