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180578 (2004 FL18)
Classification: Main-belt Asteroid          SPK-ID: 2180578
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2298851601898287 8.0932e-08  
a 2.56515575109916 2.0295e-08 au
q 1.975464510345869 2.1647e-07 au
i 6.015565641421204 8.6331e-06 deg
node 100.3488133383148 6.7171e-05 deg
peri 83.79735476771697 7.1191e-05 deg
M 33.78694672923282 2.4644e-05 deg
tp 2459059.663415970571
(2020-Jul-29.16341597)
0.00010149 TDB
period 1500.614147141249
4.11
1.7809e-05
4.876e-08
d
yr
n .2399017766731171 2.8471e-09 deg/d
Q 3.15484699185245 2.496e-08 au
  Orbit Determination Parameters
   # obs. used (total)      333  
   data-arc span      7798 days (21.35 yr)  
   first obs. used      1998-12-13  
   last obs. used      2020-04-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5641  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:27:04  

Additional Information
 Earth MOID = .98811 au 
 Jupiter MOID = 1.82982 au 
 T_jup = 3.388 
[ 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 17.00   n/a E2021B55  

180578 (2004 FL18)          Discovered 2004-Mar-28 by Yeung, W. K. Y. at Desert Eagle
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
Alternate Designations
 2004 FL18 = 1998 XV60 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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