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6910 Ikeguchi (1991 FJ)
Classification: Main-belt Asteroid          SPK-ID: 2006910
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04423341886510662 3.4667e-08  
a 3.04696855155164 1.6413e-08 au
q 2.912190715342049 1.038e-07 au
i 9.082478603478414 4.9218e-06 deg
node 347.7873923912793 2.2935e-05 deg
peri 227.7730598455118 5.8876e-05 deg
M 140.6743593081652 5.4154e-05 deg
tp 2458241.375811870245
(2018-May-02.87581187)
0.00029197 TDB
period 1942.676043244288
5.32
1.5697e-05
4.298e-08
d
yr
n .1853113910844324 1.4973e-09 deg/d
Q 3.18174638776123 1.7139e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2096  
   data-arc span      24231 days (66.34 yr)  
   first obs. used      1954-04-02  
   last obs. used      2020-08-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49306  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:44:45  

Additional Information
 Earth MOID = 1.91629 au 
 Jupiter MOID = 1.81622 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 12.4   n/a MPO435765  

6910 Ikeguchi           Discovered 1991 Mar. 17 by S. Otomo and O. Muramatsu at Kiyosato.
Kunio Ikeguchi (b. 1953) is a member of the Yonago Astronomy Club who popularizes astronomy in Tottori. The name was suggested by H. Abe.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 19990928/MPCPages.arcLast Updated: 2010-06-11

[ show close-approach data ]
Alternate Designations
 1991 FJ = 1975 FA1 = 1977 RT2 = 1980 DP3 = 1985 BF2 = 1986 GF2 = 1993 RN1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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