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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 2 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1459993982606107 7.4123e-08  
a 2.434284127190796 2.2254e-08 AU
q 2.078880109425584 1.7598e-07 AU
i 7.146494673242763 5.6564e-06 deg
node 88.14002544045857 6.0629e-05 deg
peri 264.033481715945 6.4259e-05 deg
M 68.10747707008051 2.5227e-05 deg
tp 2456738.049369850324
(2014-Mar-21.54936985)
9.4981e-05 JED
period 1387.25189829986
3.80
1.9023e-05
5.208e-08
d
yr
n .2595058622310745 3.5586e-09 deg/d
Q 2.789688144956008 2.5503e-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      .4978  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Jun-09 19:04:39  

Additional Information
 Earth MOID = 1.08818 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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