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437679 (2014 CH21)
Classification: Main-belt Asteroid          SPK-ID: 2437679
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .177601394657084 4.6752e-08  
a 3.175028719980693 4.1376e-08 au
q 2.611139191235826 1.5366e-07 au
i 18.34548863863505 7.4186e-06 deg
node 153.4811074890216 1.7268e-05 deg
peri 306.66126671706 3.0691e-05 deg
M 67.48214286234825 2.1846e-05 deg
tp 2458613.147575896282
(2019-May-09.64757590)
0.00012436 TDB
period 2066.426268676526
5.66
4.0393e-05
1.106e-07
d
yr
n .1742138132180092 3.4054e-09 deg/d
Q 3.738918248725561 4.8724e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      6175 days (16.91 yr)  
   first obs. used      2003-03-10  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55036  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:13:44  

Additional Information
 Earth MOID = 1.67033 au 
 Jupiter MOID = 1.52991 au 
 T_jup = 3.098 
[ 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 15.6   n/a MPO304820  

437679 (2014 CH21)          Discovered 2003-Mar-10 by CINEOS at Campo Imperatore
Reference: Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2014 CH21 = 2003 GL25 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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