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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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1646502949899688 8.1906e-08  
a 3.166312096848434 3.1571e-08 AU
q 2.644977876072032 2.6336e-07 AU
i 9.532923521911759 8.5426e-06 deg
node 317.2488098581102 3.8605e-05 deg
peri 149.3720449456754 4.8991e-05 deg
M 60.91125781383035 2.5197e-05 deg
tp 2456652.303762406805
(2013-Dec-25.80376241)
0.00014412 JED
period 2057.92246019074
5.63
3.0779e-05
8.427e-08
d
yr
n .1749337047259949 2.6164e-09 deg/d
Q 3.687646317624835 3.6769e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      844  
   data-arc span      12789 days (35.01 yr)  
   first obs. used      1979-12-25  
   last obs. used      2014-12-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52622  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 03:17:43  

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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