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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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1649857641026234 8.8099e-08  
a 3.168244935191086 3.4112e-08 AU
q 2.645529623694318 2.8559e-07 AU
i 9.532257065397395 8.8136e-06 deg
node 317.24753316 4.1692e-05 deg
peri 149.5263602799725 5.2604e-05 deg
M 25.78822840599949 2.6707e-05 deg
tp 2456652.947844540947
(2013-Dec-26.44784454)
0.00015289 JED
period 2059.807099928643
5.64
3.3266e-05
9.108e-08
d
yr
n .1747736474995505 2.8226e-09 deg/d
Q 3.690960246687854 3.974e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      819  
   data-arc span      12516 days (34.27 yr)  
   first obs. used      1979-12-25  
   last obs. used      2014-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .53758  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Apr-17 14:28:40  

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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