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JPL Small-Body Database Browser
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442901 (2013 CJ9)
Classification: Main-belt Asteroid          SPK-ID: 2442901
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1152855122992493 8.5031e-08  
a 2.697514108961623 3.8291e-08 au
q 2.386529812975529 2.0678e-07 au
i 14.5602483524332 9.4755e-06 deg
node 167.2108238699441 2.0253e-05 deg
peri 61.37849345112848 4.2831e-05 deg
M 74.29846876244558 3.6039e-05 deg
tp 2458266.519295271837
(2018-May-28.01929527)
0.00016432 TDB
period 1618.244032546079
4.43
3.4456e-05
9.434e-08
d
yr
n .2224633570460882 4.7368e-09 deg/d
Q 3.008498404947717 4.2705e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      7173 days (19.64 yr)  
   first obs. used      2000-02-12  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59508  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:02:18  

Additional Information
 Earth MOID = 1.41689 au 
 Jupiter MOID = 2.04257 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 MPO450447  

442901 (2013 CJ9)          Discovered 2009-Feb-05 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2013 CJ9 = 2009 HM13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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