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19285 (1996 CM9)
Classification: Outer Main-belt Asteroid          SPK-ID: 2019285
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 34 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05704684317802701 3.2075e-08  
a 3.400725945978749 2.3531e-08 au
q 3.206725266247052 1.1203e-07 au
i 14.35424559971057 5.2555e-06 deg
node 326.9740004744148 1.4003e-05 deg
peri 291.4036280954459 4.8358e-05 deg
M 241.5806299227523 4.6829e-05 deg
tp 2459953.987626689866
(2023-Jan-09.48762669)
0.0002976 TDB
period 2290.6349310202
6.27
2.3775e-05
6.509e-08
d
yr
n .1571616651456824 1.6312e-09 deg/d
Q 3.594726625710447 2.4874e-08 au
  Orbit Determination Parameters
   # obs. used (total)      2013  
   data-arc span      9163 days (25.09 yr)  
   first obs. used      1996-02-12  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .44621  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:50:44  

Additional Information
 Earth MOID = 2.22423 au 
 Jupiter MOID = 1.65038 au 
 T_jup = 3.094 
[ 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 12.44   n/a E2021B10  

19285 (1996 CM9)          Discovered 1996-Feb-12 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20001211/Numbers.arcLast Updated: 2004-04-19

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Alternate Designations
 1996 CM9 = 1999 RC204 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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