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20260 (1998 FL11)
Classification: Main-belt Asteroid          SPK-ID: 2020260
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969886735560525 2.5713e-08  
a 2.547383760260601 1.4541e-08 au
q 2.045578012288636 6.4944e-08 au
i 11.39451769469656 6.5025e-07 deg
node 71.62906957751342 4.0387e-06 deg
peri 265.0705565596178 9.7926e-06 deg
M 82.6513569817523 7.2551e-06 deg
tp 2458859.552525284573
(2020-Jan-11.05252528)
2.89e-05 TDB
period 1485.046288165024
4.07
1.2715e-05
3.481e-08
d
yr
n .2424166861794111 2.0756e-09 deg/d
Q 3.049189508232566 1.7405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1232  
   data-arc span      15119 days (41.39 yr)  
   first obs. used      1979-10-19  
   last obs. used      2021-03-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .49203  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:16:14  

Additional Information
 Earth MOID = 1.07216 au 
 Jupiter MOID = 2.4195 au 
 T_jup = 3.388 
[ 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 13.68   n/a E2021B10  
diameter diameter 4.854 km 0.281 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.124 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20260 (1998 FL11)          Discovered 1998-Mar-22 by Kobayashi, T. at Oizumi
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1998 FL11 = 1979 UB1 = 2000 VX58 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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