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JPL Small-Body Database Browser
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66772 (1999 TH217)
Classification: Main-belt Asteroid          SPK-ID: 2066772
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .143287633201506 3.6691e-08  
a 3.051959292934296 2.4619e-08 au
q 2.614651269222399 1.1991e-07 au
i 21.55181053482157 8.2658e-06 deg
node 207.319760448163 1.3235e-05 deg
peri 107.9624304892306 3.7987e-05 deg
M 15.19238223091926 3.2842e-05 deg
tp 2458918.315501459348
(2020-Mar-09.81550146)
0.00017761 TDB
period 1947.450967526403
5.33
2.3564e-05
6.451e-08
d
yr
n .1848570290102153 2.2368e-09 deg/d
Q 3.489267316646193 2.8147e-08 au
  Orbit Determination Parameters
   # obs. used (total)      638  
   data-arc span      9973 days (27.30 yr)  
   first obs. used      1992-04-28  
   last obs. used      2019-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51773  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 15:02:54  

Additional Information
 Earth MOID = 1.69362 au 
 Jupiter MOID = 2.02975 au 
 T_jup = 3.115 
[ 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 14.7   n/a MPO432220  

66772 (1999 TH217)          Discovered 1999-Oct-15 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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