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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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646503343711412 8.6668e-08  
a 3.166312089124895 3.2055e-08 AU
q 2.644977744927094 2.7975e-07 AU
i 9.532923276191935 8.6341e-06 deg
node 317.2488105407668 3.8704e-05 deg
peri 149.3720567746749 4.987e-05 deg
M 60.91125012158692 2.5795e-05 deg
tp 2456652.303807653165
(2013-Dec-25.80380765)
0.00014774 JED
period 2057.92245266095
5.63
3.1251e-05
8.556e-08
d
yr
n .1749337053660648 2.6565e-09 deg/d
Q 3.687646433322695 3.7333e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      842  
   data-arc span      12571 days (34.42 yr)  
   first obs. used      1979-12-25  
   last obs. used      2014-05-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52561  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Aug-13 14:47:27  

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 (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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