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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1430842970537733 3.0406e-08  
a 3.051405369865221 2.055e-08 au
q 2.614797177491947 9.5534e-08 au
i 21.55304891282851 6.2927e-06 deg
node 207.3174634386638 9.2842e-06 deg
peri 107.9731069531175 3.4017e-05 deg
M 52.17596453716536 2.7986e-05 deg
tp 2458918.326469742147
(2020-Mar-09.82646974)
0.00015221 TDB
period 1946.920805277475
5.33
1.9667e-05
5.385e-08
d
yr
n .1849073670712008 1.8679e-09 deg/d
Q 3.488013562238496 2.349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      960  
   data-arc span      10516 days (28.79 yr)  
   first obs. used      1992-04-28  
   last obs. used      2021-02-11  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47066  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:52  

Additional Information
 Earth MOID = 1.69208 au 
 Jupiter MOID = 2.02911 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 14.76   n/a MPCxxxxx  

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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