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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09998467616009162 1.4145e-08  
a 2.612223132076926 1.2076e-08 au
q 2.351040848158314 3.4439e-08 au
i 13.59185382724103 6.88e-07 deg
node 20.62845297774126 2.7444e-06 deg
peri 195.5904752068874 1.1165e-05 deg
M 110.5871644940153 9.9538e-06 deg
tp 2458726.786179648980
(2019-Aug-31.28617965)		 4.1859e-05 TDB
period 1542.104602343759
4.22		 1.0694e-05
2.928e-08		 d
yr
n .233447199011569 1.6189e-09 deg/d
Q 2.873405415995538 1.3284e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1851  
   data-arc span      10658 days (29.18 yr)  
   first obs. used      1991-09-30  
   last obs. used      2020-12-04  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43823  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:12:18  

Additional Information
 Earth MOID = 1.34692 au 
 Jupiter MOID = 2.09542 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 13.51   n/a E2021B10  
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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