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20745 (2000 AS185)
Classification: Main-belt Asteroid          SPK-ID: 2020745
[ 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 37 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1995808846308593 2.7398e-08  
a 2.666585066725925 1.204e-08 au
q 2.134385660165325 7.6653e-08 au
i 13.96943753927 9.5171e-07 deg
node 97.27285851908015 4.7987e-06 deg
peri 270.540218270138 4.967e-06 deg
M 325.0930311438192 5.8023e-06 deg
tp 2459354.720188148823
(2021-May-20.22018815)		 2.6222e-05 TDB
period 1590.492373093743
4.35		 1.0772e-05
2.949e-08		 d
yr
n .2263450023968029 1.533e-09 deg/d
Q 3.198784473286524 1.4443e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1980  
   data-arc span      25266 days (69.17 yr)  
   first obs. used      1951-09-04  
   last obs. used      2020-11-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .45825  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:29:54  

Additional Information
 Earth MOID = 1.18631 au 
 Jupiter MOID = 2.44158 au 
 T_jup = 3.313 
[ 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 12.96   n/a E2021B10  
diameter diameter 7.024 km 0.206 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.226   0.020 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20745 (2000 AS185)          Discovered 2000-Jan-08 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2000 AS185 = 1994 NH12 = 1998 KU53 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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