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17766 (1998 ES3)
Classification: Main-belt Asteroid          SPK-ID: 2017766
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0996368323792112 4.8362e-08  
a 2.61344787070031 1.3433e-08 au
q 2.353052203275537 1.2611e-07 au
i 13.58737519984845 5.3947e-06 deg
node 20.67510008005973 1.6583e-05 deg
peri 195.827198180684 2.764e-05 deg
M 63.667652716257 2.1536e-05 deg
tp 2458727.579896343993
(2019-Sep-01.07989634)
9.2359e-05 TDB
period 1543.189251126185
4.23
1.1898e-05
3.257e-08
d
yr
n .2332831178919112 1.7986e-09 deg/d
Q 2.873843538125083 1.4772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1475  
   data-arc span      10086 days (27.61 yr)  
   first obs. used      1991-09-30  
   last obs. used      2019-05-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45174  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:32:51  

Additional Information
 Earth MOID = 1.3499 au 
 Jupiter MOID = 2.09643 au 
 T_jup = 3.362 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.5   n/a MPO474002  
diameter diameter 5.842 km 0.087 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.156   0.041 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

17766 (1998 ES3)          Discovered 1998-Mar-02 by Kobayashi, T. at Oizumi
Reference: 20001013/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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