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18686 (1998 FZ119)
Classification: Main-belt Asteroid          SPK-ID: 2018686
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07797159780768674 3.2229e-08  
a 2.81443684838084 1.2558e-08 au
q 2.594990710383756 8.889e-08 au
i 3.614647729033336 3.5227e-06 deg
node 290.7926969808718 6.4541e-05 deg
peri 349.60243323674 7.053e-05 deg
M 155.4914430803747 2.8479e-05 deg
tp 2458255.614221743117
(2018-May-17.11422174)
0.00013687 TDB
period 1724.589307682125
4.72
1.1543e-05
3.16e-08
d
yr
n .2087453507895429 1.3972e-09 deg/d
Q 3.033882986377924 1.3538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2151  
   data-arc span      8812 days (24.13 yr)  
   first obs. used      1995-12-14  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50078  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 22:31:59  

Additional Information
 Earth MOID = 1.57863 au 
 Jupiter MOID = 2.06847 au 
 T_jup = 3.312 
[ 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 13.4   n/a MPO502310  

18686 (1998 FZ119)          Discovered 1998-Mar-20 by LINEAR at Socorro
Reference: 20001111/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 FZ119 = 1995 XZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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