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JPL Small-Body Database Browser
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305717 (2009 CH7)
Classification: Main-belt Asteroid          SPK-ID: 2305717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1550477097424483 5.0691e-08  
a 2.569478572481485 3.2636e-08 au
q 2.171086804585936 1.388e-07 au
i 8.070393891823928 6.2662e-06 deg
node 114.5283185781617 3.9875e-05 deg
peri 84.50451519960201 4.8006e-05 deg
M 139.6946113331464 3.2536e-05 deg
tp 2458016.728242445278
(2017-Sep-20.22824245)
0.0001282 TDB
period 1504.409015595536
4.12
2.8662e-05
7.847e-08
d
yr
n .2392966249657114 4.5591e-09 deg/d
Q 2.967870340377035 3.7696e-08 au
  Orbit Determination Parameters
   # obs. used (total)      201  
   data-arc span      5335 days (14.61 yr)  
   first obs. used      2005-03-16  
   last obs. used      2019-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6432  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 07:40:43  

Additional Information
 Earth MOID = 1.18741 au 
 Jupiter MOID = 2.03869 au 
 T_jup = 3.400 
[ 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 17.0   n/a MPO303104  

305717 (2009 CH7)          Discovered 2009-Feb-01 by CSS at Catalina
Reference: 20111110/Numbers.arcLast Updated: 2011-11-14

[ show close-approach data ]
Alternate Designations
 2009 CH7 = 2005 FB14 = 2005 GO92 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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