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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09299352370619568 5.8978e-08  
a 2.802034756970698 1.99e-08 AU
q 2.54146367137276 1.6937e-07 AU
i 7.712731599523426 5.3556e-06 deg
node 277.0521492695907 4.5941e-05 deg
peri 266.6051363520988 5.3928e-05 deg
M 319.0921040751134 2.9278e-05 deg
tp 2457195.176417475489
(2015-Jun-21.67641748)
0.00013974 JED
period 1713.20251767191
4.69
1.8251e-05
4.997e-08
d
yr
n .2101327754813295 2.2386e-09 deg/d
Q 3.062605842568637 2.1751e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      29320 days (80.27 yr)  
   first obs. used      1935-02-02  
   last obs. used      2015-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .47926  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jun-04 15:52:17  

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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