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JPL Small-Body Database Browser
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20633 (1999 TU93)
Classification: Outer Main-belt Asteroid          SPK-ID: 2020633
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408075903670656 3.6798e-08  
a 3.207283322722385 2.0748e-08 au
q 2.75567348642537 1.1373e-07 au
i 3.431397689773052 4.1031e-06 deg
node 112.7878228480617 7.8073e-05 deg
peri 350.8410548319929 7.9978e-05 deg
M 74.67413010958913 1.8853e-05 deg
tp 2458165.316834114678
(2018-Feb-15.81683411)
0.00010792 TDB
period 2097.994840901371
5.74
2.0358e-05
5.574e-08
d
yr
n .171592414328975 1.6651e-09 deg/d
Q 3.658893159019399 2.367e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1471  
   data-arc span      9400 days (25.74 yr)  
   first obs. used      1993-08-15  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47482  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:54:04  

Additional Information
 Earth MOID = 1.77278 au 
 Jupiter MOID = 1.48346 au 
 T_jup = 3.174 
[ 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 13.5   n/a MPO474037  
diameter diameter 6.660 km 0.447 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.209   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20633 (1999 TU93)          Discovered 1999-Oct-02 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TU93 = 1998 ML 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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