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9985 Akiko (1996 JF)
Classification: Main-belt Asteroid          SPK-ID: 2009985
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .139893986156561 4.8547e-08  
a 2.304061925838339 1.1703e-08 AU
q 1.981737518681251 1.1075e-07 AU
i 5.428697875944822 5.8808e-06 deg
node 71.08456799217234 5.7838e-05 deg
peri 117.7386562131597 6.1797e-05 deg
M 146.1822285959971 2.3729e-05 deg
tp 2456481.781513856632
(2013-Jul-08.28151386)
8.2882e-05 JED
period 1277.437461483098
3.50
9.7327e-06
2.665e-08
d
yr
n .2818141872730441 2.1471e-09 deg/d
Q 2.626386332995427 1.334e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      1086  
   data-arc span      11808 days (32.33 yr)  
   first obs. used      1982-05-16  
   last obs. used      2014-09-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52211  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Oct-09 14:16:45  

Additional Information
 Earth MOID = .989956 AU 
 T_jup = 3.570 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.4 mag n/a MPO309229  

9985 Akiko (1996 JF)          Discovered 1996-May-12 by McNaught, R. H., Abe, H. at Yatsuka (367)
Reference: 19990202/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1996 JF = 1982 KC2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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