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JPL Small-Body Database Browser
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66789 (1999 TS231)
Classification: Main-belt Asteroid          SPK-ID: 2066789
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08859713555237976 3.6161e-08  
a 2.669196030364 1.5401e-08 au
q 2.432712907845966 9.5159e-08 au
i 14.86830647700364 5.2005e-06 deg
node 158.4098881788939 1.6153e-05 deg
peri 102.4442884913623 3.5335e-05 deg
M 6.6750471132965 3.1637e-05 deg
tp 2458970.966088653836
(2020-May-01.46608865)
0.00013991 TDB
period 1592.828920029661
4.36
1.3786e-05
3.774e-08
d
yr
n .2260129731906778 1.9561e-09 deg/d
Q 2.905679152882033 1.6766e-08 au
  Orbit Determination Parameters
   # obs. used (total)      783  
   data-arc span      7618 days (20.86 yr)  
   first obs. used      1998-05-26  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61464  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 09:14:37  

Additional Information
 Earth MOID = 1.46809 au 
 Jupiter MOID = 2.25632 au 
 T_jup = 3.328 
[ 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 14.8   n/a MPO436248  

66789 (1999 TS231)          Discovered 1999-Oct-05 by CSS at Catalina
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

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