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66766 (1999 TF194)
Classification: Main-belt Asteroid          SPK-ID: 2066766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05978770329875582 4.7635e-08  
a 2.57199965574168 1.0099e-08 au
q 2.418225703439695 1.2279e-07 au
i 14.3787294814122 4.1178e-06 deg
node 7.908457031078511 1.5599e-05 deg
peri 83.18587312154941 5.2477e-05 deg
M .3069714291680374 4.7094e-05 deg
tp 2459199.215304385958
(2020-Dec-15.71530439)
0.00019709 TDB
period 1506.623669533841
4.12
8.8734e-06
2.429e-08
d
yr
n .2389448720869932 1.4073e-09 deg/d
Q 2.725773608043666 1.0703e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1298  
   data-arc span      8747 days (23.95 yr)  
   first obs. used      1997-03-08  
   last obs. used      2021-02-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50991  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:48  

Additional Information
 Earth MOID = 1.48116 au 
 Jupiter MOID = 2.3859 au 
 T_jup = 3.383 
[ 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 14.87   n/a MPCxxxxx  

66766 (1999 TF194)          Discovered 1999-Oct-12 by LINEAR at Socorro
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TF194 = 1997 ET53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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