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JPL Small-Body Database Browser
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172737 (2004 CD9)
Classification: Main-belt Asteroid          SPK-ID: 2172737
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05004262586709612 5.5473e-08  
a 2.850161410398576 2.5909e-08 au
q 2.707531849277165 1.6048e-07 au
i 3.10398218043863 6.4659e-06 deg
node 72.95427110890952 0.00014196 deg
peri 179.6849470101355 0.00016193 deg
M 26.53319735011882 7.7563e-05 deg
tp 2458870.964234222149
(2020-Jan-22.46423422)
0.00037846 TDB
period 1757.529447532546
4.81
2.3965e-05
6.561e-08
d
yr
n .2048329833138307 2.793e-09 deg/d
Q 2.992790971519987 2.7206e-08 au
  Orbit Determination Parameters
   # obs. used (total)      224  
   data-arc span      6952 days (19.03 yr)  
   first obs. used      2000-04-24  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:41:37  

Additional Information
 Earth MOID = 1.69294 au 
 Jupiter MOID = 2.01143 au 
 T_jup = 3.302 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO251404  

172737 (2004 CD9)          Discovered 2004-Feb-11 by Spacewatch at Kitt Peak
Reference: 20071224/Numbers.arcLast Updated: 2007-12-22

[ show close-approach data ]
Alternate Designations
 2004 CD9 = 2000 HX16 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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