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120684 (1997 CA9)
Classification: Main-belt Asteroid          SPK-ID: 2120684
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2278975392769755 4.6291e-08  
a 2.717760795744521 1.839e-08 au
q 2.098389798050909 1.2558e-07 au
i 6.41695479421 8.9334e-06 deg
node 332.4378766515123 4.5618e-05 deg
peri 85.17799307962288 5.0502e-05 deg
M 135.6883733315767 2.0437e-05 deg
tp 2458383.684318333068
(2018-Sep-22.18431833)		 9.068e-05 TDB
period 1636.497217469556
4.48		 1.661e-05
4.548e-08		 d
yr
n .2199820422283713 2.2328e-09 deg/d
Q 3.337131793438132 2.2581e-08 au
   Orbit Determination Parameters
   # obs. used (total)      356  
   data-arc span      8486 days (23.23 yr)  
   first obs. used      1997-02-01  
   last obs. used      2020-04-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60486  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 20:39:27  

Additional Information
 Earth MOID = 1.12203 au 
 Jupiter MOID = 2.08093 au 
 T_jup = 3.313 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.4   n/a MPO412813  

120684 (1997 CA9)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: 20060314/Numbers.arcLast Updated: 2006-03-23

Alternate Designations
 1997 CA9 = 2000 XX6 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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