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31095 Buneiou (1997 DH)
Classification: Main-belt Asteroid          SPK-ID: 2031095
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07873461038224017 3.7081e-08  
a 3.027404634634491 2.1741e-08 au
q 2.789043110257157 1.0881e-07 au
i 9.758748340929884 4.5301e-06 deg
node 313.0635335579923 2.5149e-05 deg
peri 123.2428392003668 4.0753e-05 deg
M 238.5915656128464 3.2565e-05 deg
tp 2459849.359237734901
(2022-Sep-26.85923773)
0.00017649 TDB
period 1923.995863744378
5.27
2.0726e-05
5.674e-08
d
yr
n .1871105893644632 2.0156e-09 deg/d
Q 3.265766159011826 2.3453e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1103  
   data-arc span      8533 days (23.36 yr)  
   first obs. used      1997-02-27  
   last obs. used      2020-07-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49624  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:45:12  

Additional Information
 Earth MOID = 1.81886 au 
 Jupiter MOID = 1.92413 au 
 T_jup = 3.218 
[ 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 13.84   n/a MPCxxxxx  
diameter diameter 6.125 km 0.420 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 3.484 h n/a LCDB (Rev. 2020-October); 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 0.187   0.025 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

31095 Buneiou           Discovered 1997 Feb. 27 by N. Sato at Chichibu.
King Muryeong, known in Japanese as Buneiou, (462-523) was the 25th king of Baekje, an ancient kingdom located in the southwest of the Korean peninsula. According to the historical record found in The Chronicles of Japan, King Buneiou's birthplace was on Kakara Island, the northernmost part of Saga Prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20120207/MPCPages.arcLast Updated: 2012-02-09

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Alternate Designations
 1997 DH = 2000 RH20 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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