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JPL Small-Body Database Browser
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201819 (2003 YT20)
Classification: Main-belt Asteroid          SPK-ID: 2201819
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08708778970720067 5.6336e-08  
a 3.162163586815286 3.3412e-08 au
q 2.886777749346949 1.9073e-07 au
i 4.59885421979857 6.9758e-06 deg
node 312.9084960030992 7.8774e-05 deg
peri 140.0845184614097 9.1056e-05 deg
M 274.9282935704989 4.5445e-05 deg
tp 2459085.852834630838
(2020-Aug-24.35283463)
0.00026176 TDB
period 2053.879342503818
5.62
3.2553e-05
8.913e-08
d
yr
n .1752780665105359 2.7781e-09 deg/d
Q 3.437549424283623 3.6322e-08 au
  Orbit Determination Parameters
   # obs. used (total)      253  
   data-arc span      7535 days (20.63 yr)  
   first obs. used      1999-03-20  
   last obs. used      2019-11-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56977  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 16:23:14  

Additional Information
 Earth MOID = 1.90552 au 
 Jupiter MOID = 1.70935 au 
 T_jup = 3.194 
[ 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 15.6   n/a MPO413037  
diameter diameter 4.714 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.019 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

201819 (2003 YT20)          Discovered 2003-Dec-17 by Spacewatch at Kitt Peak
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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