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17679 (1997 AK4)
Classification: Main-belt Asteroid          SPK-ID: 2017679
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1875217951746155 3.3677e-08  
a 3.009180694187494 1.719e-08 au
q 2.44489372840866 1.0005e-07 au
i 2.492260154645493 3.9725e-06 deg
node 279.349412454135 0.0001077 deg
peri 167.5932466713425 0.00010845 deg
M 126.535360649361 1.3466e-05 deg
tp 2457930.337328531490
(2017-Jun-25.83732853)
6.8978e-05 TDB
period 1906.649338892781
5.22
1.6337e-05
4.473e-08
d
yr
n .1888129047416014 1.6179e-09 deg/d
Q 3.573467659966329 2.0413e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1291  
   data-arc span      17612 days (48.22 yr)  
   first obs. used      1971-02-18  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49565  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:23  

Additional Information
 Earth MOID = 1.4613 au 
 Jupiter MOID = 1.65141 au 
 T_jup = 3.222 
[ 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 13.6   n/a MPO439216  

17679 (1997 AK4)          Discovered 1997-Jan-06 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1997 AK4 = 1971 DJ = 1994 NK5 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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