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180500 (2004 CT91)
Classification: Main-belt Asteroid          SPK-ID: 2180500
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2391224874068097 5.2938e-08  
a 2.556516280061818 1.9419e-08 au
q 1.945195748077431 1.3584e-07 au
i 15.11950535233305 1.3528e-05 deg
node 311.6143305703441 1.6441e-05 deg
peri 285.1798921876206 3.6626e-05 deg
M 341.6198084899449 3.2527e-05 deg
tp 2459276.728750705659
(2021-Mar-03.22875071)		 0.00013511 TDB
period 1493.039408159847
4.09		 1.7011e-05
4.657e-08		 d
yr
n .2411188867705077 2.7472e-09 deg/d
Q 3.167836812046203 2.4062e-08 au
   Orbit Determination Parameters
   # obs. used (total)      325  
   data-arc span      7376 days (20.19 yr)  
   first obs. used      2000-03-03  
   last obs. used      2020-05-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52948  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 09:05:04  

Additional Information
 Earth MOID = .99386 au 
 Jupiter MOID = 2.1401 au 
 T_jup = 3.349 
[ 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 16.32   n/a E2021B55  

180500 (2004 CT91)          Discovered 2004-Feb-13 by NEAT at Palomar
Reference: 20080321/Numbers.arcLast Updated: 2008-03-26

[ show close-approach data ]
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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