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442948 (2013 CH99)
Classification: Main-belt Asteroid          SPK-ID: 2442948
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08744120838629003 1.0591e-07  
a 2.962908193267021 6.4112e-08 au
q 2.703827920510113 3.3462e-07 au
i 10.70392076707468 1.6e-05 deg
node 321.9199126195795 4.4225e-05 deg
peri 327.1129265444748 9.5335e-05 deg
M 24.98480503718956 8.1396e-05 deg
tp 2458871.214689329856
(2020-Jan-22.71468933)
0.00042208 TDB
period 1862.840705459722
5.10
6.0463e-05
1.655e-07
d
yr
n .193253238961813 6.2725e-09 deg/d
Q 3.221988466023929 6.9718e-08 au
  Orbit Determination Parameters
   # obs. used (total)      83  
   data-arc span      5911 days (16.18 yr)  
   first obs. used      2003-03-24  
   last obs. used      2019-05-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .69661  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:44:10  

Additional Information
 Earth MOID = 1.69477 au 
 Jupiter MOID = 2.02807 au 
 T_jup = 3.233 
[ 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 16.5   n/a MPO437723  

442948 (2013 CH99)          Discovered 2008-Feb-13 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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