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18667 (1998 FF62)
Classification: Main-belt Asteroid          SPK-ID: 2018667
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06737082294474767 3.2491e-08  
a 2.707487028756679 1.2881e-08 au
q 2.525081399517112 8.8852e-08 au
i 10.85639347387315 5.5469e-06 deg
node 357.0972090386102 1.917e-05 deg
peri 268.9160001313108 4.5603e-05 deg
M 327.8541354494958 4.1325e-05 deg
tp 2459345.801672575057
(2021-May-11.30167258)
0.0001868 TDB
period 1627.226483358029
4.46
1.1612e-05
3.179e-08
d
yr
n .2212353373557965 1.5788e-09 deg/d
Q 2.889892657996246 1.3749e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1787  
   data-arc span      14698 days (40.24 yr)  
   first obs. used      1980-03-16  
   last obs. used      2020-06-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .48822  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:34:36  

Additional Information
 Earth MOID = 1.53762 au 
 Jupiter MOID = 2.21037 au 
 T_jup = 3.335 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.99   n/a E2021B10  
diameter diameter 7.569 km 0.415 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.102   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18667 (1998 FF62)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FF62 = 1980 FY1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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