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66665 (1999 TC9)
Classification: Main-belt Asteroid          SPK-ID: 2066665
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .17773998517223 4.2444e-08  
a 2.581383709279464 9.6298e-09 au
q 2.122568607068296 1.074e-07 au
i 3.861612047079082 4.7721e-06 deg
node 10.88531599461759 6.639e-05 deg
peri 359.1278411809413 6.767e-05 deg
M 49.33446248589962 1.4879e-05 deg
tp 2458992.901039606999
(2020-May-23.40103961)
6.1991e-05 TDB
period 1514.876659755655
4.15
8.4768e-06
2.321e-08
d
yr
n .2376431095440251 1.3298e-09 deg/d
Q 3.040198811490631 1.1341e-08 au
  Orbit Determination Parameters
   # obs. used (total)      999  
   data-arc span      7780 days (21.30 yr)  
   first obs. used      1999-10-02  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54605  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 12:24:04  

Additional Information
 Earth MOID = 1.12065 au 
 Jupiter MOID = 2.42443 au 
 T_jup = 3.399 
[ 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 14.99   n/a E2021B10  

66665 (1999 TC9)          Discovered 1999-Oct-07 by Korlevic, K., Juric, M. at Visnjan
Reference: 20030910/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 TC9 = 2001 CB8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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