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442919 (2013 CH42)
Classification: Main-belt Asteroid          SPK-ID: 2442919
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03275937604482006 1.1656e-07  
a 3.165597090522741 7.6094e-08 au
q 3.061894105027918 3.9768e-07 au
i 8.662631885274138 1.0506e-05 deg
node 279.9111534900214 5.4805e-05 deg
peri 56.87475123176196 0.00013076 deg
M 277.3512916627801 0.00011965 deg
tp 2459472.797290292631
(2021-Sep-15.29729029)
0.00068409 TDB
period 2057.225429484145
5.63
7.4177e-05
2.031e-07
d
yr
n .1749929758987429 6.3097e-09 deg/d
Q 3.269300076017565 7.8587e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      8450 days (23.13 yr)  
   first obs. used      1996-02-18  
   last obs. used      2019-04-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53259  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:32:49  

Additional Information
 Earth MOID = 2.06033 au 
 Jupiter MOID = 1.9247 au 
 T_jup = 3.185 
[ 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 16.3   n/a MPO434645  

442919 (2013 CH42)          Discovered 2004-Aug-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2013 CH42 = 2004 QK15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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