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66748 (1999 TJ149)
Classification: Main-belt Asteroid          SPK-ID: 2066748
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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1583106419035346 4.1136e-08  
a 2.804211129360366 1.5998e-08 au
q 2.360274665438291 1.1921e-07 au
i 8.782325305508101 5.5681e-06 deg
node 180.6462781855396 2.7472e-05 deg
peri 78.09049738271004 3.2369e-05 deg
M 287.9639139800325 1.9262e-05 deg
tp 2459543.711709954300
(2021-Nov-25.21170995)
9.3099e-05 TDB
period 1715.198901135465
4.70
1.4678e-05
4.019e-08
d
yr
n .209888194169014 1.7961e-09 deg/d
Q 3.248147593282441 1.8531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      867  
   data-arc span      8329 days (22.80 yr)  
   first obs. used      1998-06-03  
   last obs. used      2021-03-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57433  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-May-04 07:02:23  

Additional Information
 Earth MOID = 1.36337 au 
 Jupiter MOID = 1.86474 au 
 T_jup = 3.288 
[ 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 14.62   n/a MPCxxxxx  

66748 (1999 TJ149)          Discovered 1999-Oct-07 by LINEAR at Socorro
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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