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7769 Okuni (1991 VF4)
Classification: Main-belt Asteroid          SPK-ID: 2007769
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2456800.5 (2014-May-23.0) TDB
Reference: JPL 1 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1460630973515913 7.3867e-08  
a 2.434269878918933 1.9963e-08 AU
q 2.07871288061435 1.7678e-07 AU
i 7.146598232429113 5.7109e-06 deg
node 88.13980840477386 6.0516e-05 deg
peri 264.0048057655008 6.4266e-05 deg
M 16.22483160419472 2.3824e-05 deg
tp 2456737.978525475547
(2014-Mar-21.47852548)
9.1387e-05 JED
period 1387.239718591843
3.80
1.7065e-05
4.672e-08
d
yr
n .2595081406445226 3.1923e-09 deg/d
Q 2.789826877223515 2.2879e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1105  
   data-arc span      15941 days (43.64 yr)  
   first obs. used      1968-10-23  
   last obs. used      2012-06-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52194  
   data source      ORB  
   producer      Otto Matic  
   solution date      2013-Aug-05 15:47:48  

Additional Information
 Earth MOID = 1.08641 AU 
 T_jup = 3.480 
[ 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 13.1 mag n/a MPO233562  

7769 Okuni           Discovered 1991 Nov. 4 by S. Otomo at Kiyosato.
Tomimaru Okuni (b. 1931), a retired teacher, is a Japanese amateur astronomer. He has been discovering new minor planets since 1995 at Nanyo in Yamagata prefecture.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010109/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 1991 VF4 = 1968 UY1 = 1972 XH = 1976 YO5 = 1980 XW2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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