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5685 Sanenobufukui (1990 XA)
Classification: Main-belt Asteroid          SPK-ID: 2005685
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09299354894370176 6.0127e-08  
a 2.802034786843321 2.2571e-08 AU
q 2.541463627751052 1.7109e-07 AU
i 7.712731961261358 5.6217e-06 deg
node 277.0521494115718 4.8325e-05 deg
peri 266.60517108554 5.7232e-05 deg
M 319.0920571489113 3.383e-05 deg
tp 2457195.176643905584
(2015-Jun-21.67664391)
0.0001619 JED
period 1713.202545068708
4.69
2.0701e-05
5.668e-08
d
yr
n .2101327721209766 2.539e-09 deg/d
Q 3.06260594593559 2.467e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1190  
   data-arc span      29125 days (79.74 yr)  
   first obs. used      1935-02-02  
   last obs. used      2014-10-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49172  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Nov-10 12:59:41  

Additional Information
 Earth MOID = 1.55944 AU 
 T_jup = 3.305 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 11.6 mag n/a MPO250263  
SMASSII spectral type spec_B S   n/a EAR-A-5-DDR-TAXONOMY-V4.0 based on a high-resolution spectrum by Xu et al. (1995) or Bus and Binzel (2002)

5685 Sanenobufukui           Discovered 1990 Dec. 8 by T. Nomura and K. Kawanishi at Minami-Oda.
Named in honor of Sanenobu Fukui (b. 1916), a well-known observer of Mars for more than 60 years. He was a director of the Oriental Astronomical Association and one of the leaders of its Kobe branch.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990728/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1990 XA = 1935 CA = 1938 YM = 1952 UB1 = 1977 BM 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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