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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07784261576178392 1.7642e-08  
a 2.814810842756685 1.0858e-08 au
q 2.595698603881873 5.0862e-08 au
i 3.614467111477387 4.7018e-07 deg
node 290.7933691703834 1.2302e-05 deg
peri 349.6967472275714 1.913e-05 deg
M 197.1266063882655 1.7269e-05 deg
tp 2459980.904732566262
(2023-Feb-05.40473257)
8.4314e-05 TDB
period 1724.933075279234
4.72
9.9811e-06
2.733e-08
d
yr
n .2087037492406613 1.2076e-09 deg/d
Q 3.033923081631497 1.1704e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2587  
   data-arc span      9228 days (25.26 yr)  
   first obs. used      1995-12-14  
   last obs. used      2021-03-20  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47909  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 02:46:08  

Additional Information
 Earth MOID = 1.57744 au 
 Jupiter MOID = 2.06756 au 
 T_jup = 3.312 
[ 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 13.40   n/a MPCxxxxx  

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

Alternate Designations
 1998 FZ119 = 1995 XZ1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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