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4717 Kaneko (1989 WX)
Classification: Main-belt Asteroid          SPK-ID: 2004717
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 39 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09531417777401106 3.2636e-08  
a 3.015531663469908 1.517e-08 au
q 2.728108742414777 9.6988e-08 au
i 10.7877717536323 3.8399e-06 deg
node 73.26402262334639 2.1159e-05 deg
peri 241.9594304461462 3.0769e-05 deg
M 33.13335911396118 2.2446e-05 deg
tp 2458824.461672747401
(2019-Dec-06.96167275)
0.00011912 TDB
period 1912.688586537921
5.24
1.4433e-05
3.952e-08
d
yr
n .1882167345660911 1.4203e-09 deg/d
Q 3.302954584525037 1.6616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      3495  
   data-arc span      32500 days (88.98 yr)  
   first obs. used      1931-11-04  
   last obs. used      2020-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .35922  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:49:17  

Additional Information
 Earth MOID = 1.73409 au 
 Jupiter MOID = 1.94051 au 
 T_jup = 3.214 
[ 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 11.3   n/a MPO435743  
diameter diameter 17.99 km 1.2 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5
geometric albedo albedo 0.1808   0.026 IRAS-A-FPA-3-RDR-IMPS-V6.0 IRAS observations used: 5

4717 Kaneko (1989 WX)          Discovered 1989-Nov-20 by Mizuno and Furuta at Kani
Reference: DISCOVERY.DBLast Updated: 2003-08-29

[ show close-approach data ]
Alternate Designations
 1989 WX = 1931 VB1 = 1978 TG4 = 1984 YR1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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