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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1969366143472497 6.4122e-08  
a 2.546839933840336 1.7065e-08 au
q 2.045273899985447 1.6369e-07 au
i 11.39536930746755 5.9175e-06 deg
node 71.62804815905407 3.5113e-05 deg
peri 265.0160139666941 3.8733e-05 deg
M 34.21446446569954 2.0976e-05 deg
tp 2458859.406128891471
(2020-Jan-10.90612889)
8.5967e-05 TDB
period 1484.570762461942
4.06
1.4921e-05
4.085e-08
d
yr
n .2424943351322593 2.4373e-09 deg/d
Q 3.048405967695226 2.0426e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1035  
   data-arc span      14988 days (41.03 yr)  
   first obs. used      1979-10-19  
   last obs. used      2020-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5109  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:03:52  

Additional Information
 Earth MOID = 1.07362 au 
 Jupiter MOID = 2.41991 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 13.6   n/a MPO395197  
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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