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JPL Small-Body Database Browser
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20811 (2000 ST266)
Classification: Main-belt Asteroid          SPK-ID: 2020811
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 27 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0936736006559087 5.6681e-08  
a 2.560218634734877 1.3911e-08 au
q 2.320393736752906 1.4731e-07 au
i 14.39457543555926 4.7953e-06 deg
node 114.1569878228824 2.3206e-05 deg
peri 30.28764746246819 3.9229e-05 deg
M 106.9814805233313 2.9085e-05 deg
tp 2458155.848141998228
(2018-Feb-06.34814200)
0.00012193 TDB
period 1496.283918465005
4.10
1.2195e-05
3.339e-08
d
yr
n .2405960496917682 1.9609e-09 deg/d
Q 2.800043532716848 1.5214e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1371  
   data-arc span      15426 days (42.23 yr)  
   first obs. used      1977-02-12  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:55:47  

Additional Information
 Earth MOID = 1.3444 au 
 Jupiter MOID = 2.27124 au 
 T_jup = 3.385 
[ 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 13.8   n/a MPO395203  
diameter diameter 4.475 km 0.159 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.320   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20811 (2000 ST266)          Discovered 2000-Sep-26 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 ST266 = 1977 CD3 = 1984 YF7 = 1998 HK120 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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