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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04432318795245208 3.4701e-08  
a 3.04925018388431 1.6936e-08 au
q 2.914097694869957 1.0448e-07 au
i 9.078729841939332 4.9523e-06 deg
node 347.8073393938448 2.3281e-05 deg
peri 228.7655250900268 5.9728e-05 deg
M 65.54722317192322 5.4791e-05 deg
tp 2458246.388678402936
(2018-May-07.88867840)
0.00029594 TDB
period 1944.858524983989
5.32
1.6203e-05
4.436e-08
d
yr
n .1851034383094594 1.5421e-09 deg/d
Q 3.184402672898663 1.7686e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1949  
   data-arc span      23907 days (65.45 yr)  
   first obs. used      1954-04-02  
   last obs. used      2019-09-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50579  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 00:56:06  

Additional Information
 Earth MOID = 1.91845 au 
 Jupiter MOID = 1.81619 au 
 T_jup = 3.217 
[ 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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