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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 2456800.5 (2014-May-23.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649857599678394 8.8523e-08  
a 3.168244940805655 3.5167e-08 AU
q 2.645529641482572 2.8766e-07 AU
i 9.532256322658478 8.8524e-06 deg
node 317.2475219033683 4.3445e-05 deg
peri 149.5263731894715 5.4044e-05 deg
M 25.78822507005651 2.7144e-05 deg
tp 2456652.947863235942
(2013-Dec-26.44786324)
0.00015529 JED
period 2059.807105404038
5.64
3.4295e-05
9.389e-08
d
yr
n .1747736470349658 2.9099e-09 deg/d
Q 3.690960240128739 4.0969e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      799  
   data-arc span      12481 days (34.17 yr)  
   first obs. used      1979-12-25  
   last obs. used      2014-02-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .54103  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Mar-22 11:26:51  

Additional Information
 Earth MOID = 1.667 AU 
 T_jup = 3.160 
[ 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 (327)
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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