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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1776213755428375 5.1495e-08  
a 2.580887514201359 1.5644e-08 au
q 2.122466723807579 1.3692e-07 au
i 3.8617933463492 5.6265e-06 deg
node 10.88757357554531 7.0644e-05 deg
peri 359.0849074598673 7.2796e-05 deg
M 1.835019979806203 2.3821e-05 deg
tp 2458992.780479262198
(2020-May-23.28047926)
0.00010015 TDB
period 1514.439895037089
4.15
1.377e-05
3.77e-08
d
yr
n .2377116458564923 2.1614e-09 deg/d
Q 3.039308304595139 1.8423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      793  
   data-arc span      6776 days (18.55 yr)  
   first obs. used      1999-10-02  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57485  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 04:36:18  

Additional Information
 Earth MOID = 1.12204 au 
 Jupiter MOID = 2.42423 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 15.0   n/a MPO253782  

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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