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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1546913456651857 5.0323e-08  
a 2.570255882840224 3.1561e-08 au
q 2.172659541619809 1.3858e-07 au
i 8.070399442322877 5.9823e-06 deg
node 114.5237946808017 3.9142e-05 deg
peri 84.48451360415319 4.7011e-05 deg
M 235.4195664110157 3.2657e-05 deg
tp 2459521.347167767834
(2021-Nov-02.84716777)
0.00014378 TDB
period 1505.09173065681
4.12
2.7722e-05
7.59e-08
d
yr
n .2391880791497664 4.4056e-09 deg/d
Q 2.967852224060638 3.6443e-08 au
  Orbit Determination Parameters
   # obs. used (total)      209  
   data-arc span      5368 days (14.70 yr)  
   first obs. used      2005-03-16  
   last obs. used      2019-11-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63496  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 17:57:08  

Additional Information
 Earth MOID = 1.18867 au 
 Jupiter MOID = 2.03756 au 
 T_jup = 3.399 
[ 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 16.8   n/a MPO494623  

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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