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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 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1461408738133708 6.7647e-08  
a 2.435131373096491 1.7433e-08 au
q 2.079259146381816 1.5836e-07 au
i 7.141962010679076 4.9086e-06 deg
node 88.03397471050025 4.9832e-05 deg
peri 264.7007833380628 5.3852e-05 deg
M 223.0432287749894 2.5269e-05 deg
tp 2458128.535387756563
(2018-Jan-10.03538776)
0.00010152 JED
period 1387.976205134491
3.80
1.4905e-05
4.081e-08
d
yr
n .2593704406950672 2.7852e-09 deg/d
Q 2.791003599811166 1.9981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1360  
   data-arc span      17341 days (47.48 yr)  
   first obs. used      1968-10-23  
   last obs. used      2016-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .49296  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:00:09  

Additional Information
 Earth MOID = 1.08751 au 
 Jupiter MOID = 2.64065 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 13.2 mag n/a MPO319182  

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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