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17691 (1997 CF17)
Classification: Main-belt Asteroid          SPK-ID: 2017691
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1414503777607097 3.1684e-08  
a 3.18408867372567 1.7351e-08 au
q 2.733698128003577 9.9073e-08 au
i 3.950850284661996 3.6863e-06 deg
node 284.5779928640398 6.7715e-05 deg
peri 172.6972805307692 7.0177e-05 deg
M 102.6670856647215 1.7244e-05 deg
tp 2458608.659213428034
(2019-May-05.15921343)
9.9235e-05 TDB
period 2075.277405474465
5.68
1.6963e-05
4.644e-08
d
yr
n .173470784701043 1.4179e-09 deg/d
Q 3.634479219447762 1.9805e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1348  
   data-arc span      8947 days (24.50 yr)  
   first obs. used      1995-11-27  
   last obs. used      2020-05-26  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50392  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:10:16  

Additional Information
 Earth MOID = 1.75039 au 
 Jupiter MOID = 1.53562 au 
 T_jup = 3.179 
[ 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 13.92   n/a E2021B10  

17691 (1997 CF17)          Discovered 1997-Feb-01 by Spacewatch at Kitt Peak
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 CF17 = 1995 WH42 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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