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29426 (1997 CH28)
Classification: Main-belt Asteroid          SPK-ID: 2029426
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646502826088279 7.5983e-08  
a 3.166312099196889 3.1011e-08 AU
q 2.64497791723637 2.429e-07 AU
i 9.532924319738175 8.368e-06 deg
node 317.2488083976848 3.8508e-05 deg
peri 149.372042190524 4.7854e-05 deg
M 60.91126048043525 2.4371e-05 deg
tp 2456652.303746775902
(2013-Dec-25.80374678)
0.00013915 JED
period 2057.922462480283
5.63
3.0233e-05
8.277e-08
d
yr
n .1749337045313723 2.57e-09 deg/d
Q 3.687646281157408 3.6117e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      857  
   data-arc span      12847 days (35.17 yr)  
   first obs. used      1979-12-25  
   last obs. used      2015-02-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52421  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Mar-09 15:32:20  

Additional Information
 Earth MOID = 1.66674 AU 
 T_jup = 3.161 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.6 mag n/a MPO270313  

29426 (1997 CH28)          Discovered 1997-Feb-11 by Beijing Schmidt CCD Asteroid Program at Xinglong
Reference: 20011002/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CH28 = 1979 YH9 = 1998 FM111 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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