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JPL Small-Body Database Browser
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20652 (1999 TY229)
Classification: Main-belt Asteroid          SPK-ID: 2020652
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07528188941986926 4.3861e-08  
a 2.455588576440864 1.1075e-08 au
q 2.270727228768549 1.0416e-07 au
i 9.189775335191197 4.3175e-06 deg
node 164.471191312745 2.3552e-05 deg
peri 12.2007723823161 3.4775e-05 deg
M 232.456732047039 2.7637e-05 deg
tp 2459098.451302893540
(2020-Sep-05.95130289)
0.00010925 TDB
period 1405.503182714338
3.85
9.5081e-06
2.603e-08
d
yr
n .2561360261773014 1.7327e-09 deg/d
Q 2.64044992411318 1.1908e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1570  
   data-arc span      13771 days (37.70 yr)  
   first obs. used      1982-03-25  
   last obs. used      2019-12-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 00:45:35  

Additional Information
 Earth MOID = 1.27678 au 
 Jupiter MOID = 2.32252 au 
 T_jup = 3.471 
[ 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 14.3   n/a MPO309315  
diameter diameter 5.648 km 0.144 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.116   0.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20652 (1999 TY229)          Discovered 1999-Oct-02 by CSS at Catalina
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TY229 = 1982 FP1 = 1998 LY2 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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