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18810 (1999 JF96)
Classification: Main-belt Asteroid          SPK-ID: 2018810
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1256077999930356 3.4847e-08  
a 2.675806978585023 1.0615e-08 au
q 2.339704750798946 9.5062e-08 au
i 13.81185503283218 4.3269e-06 deg
node 135.091839624359 1.483e-05 deg
peri 338.9953976796811 2.6508e-05 deg
M 80.75870567577253 1.881e-05 deg
tp 2458841.852796321378
(2019-Dec-24.35279632)
8.4071e-05 TDB
period 1598.750156331909
4.38
9.5139e-06
2.605e-08
d
yr
n .2251758966679107 1.34e-09 deg/d
Q 3.011909206371099 1.1949e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1861  
   data-arc span      9897 days (27.10 yr)  
   first obs. used      1994-02-08  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48697  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:38:31  

Additional Information
 Earth MOID = 1.36027 au 
 Jupiter MOID = 2.0761 au 
 T_jup = 3.326 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.83   n/a E2021B10  

18810 (1999 JF96)          Discovered 1999-May-12 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1999 JF96 = 1994 CO18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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