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JPL Small-Body Database Browser
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249593 (1997 CL9)
Classification: Main-belt Asteroid          SPK-ID: 2249593
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1282548099825641 1.0269e-07  
a 3.07027037008065 3.226e-08 au
q 2.676493427170859 3.0351e-07 au
i 8.959043673976584 9.5931e-06 deg
node 335.0452025470242 6.2594e-05 deg
peri 197.7980486599561 7.4063e-05 deg
M 28.87288543715828 3.7619e-05 deg
tp 2458442.901875122982
(2018-Nov-20.40187512)
0.0002051 TDB
period 1965.003639113608
5.38
3.097e-05
8.479e-08
d
yr
n .1832057675793375 2.8875e-09 deg/d
Q 3.464047312990441 3.6397e-08 au
  Orbit Determination Parameters
   # obs. used (total)      93  
   data-arc span      8125 days (22.25 yr)  
   first obs. used      1997-02-01  
   last obs. used      2019-05-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .70394  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:41:01  

Additional Information
 Earth MOID = 1.68448 au 
 Jupiter MOID = 1.53224 au 
 T_jup = 3.200 
[ 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 16.5   n/a MPO433635  

249593 (1997 CL9)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: 20100923/Numbers.arcLast Updated: 2010-09-27

[ show close-approach data ]
Alternate Designations
 1997 CL9 = 2008 EO39 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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