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JPL Small-Body Database Browser
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15577 Gywilliams (2000 GN68)
Classification: Main-belt Asteroid          SPK-ID: 2015577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .118334536336719 3.3637e-08  
a 2.217932113588234 8.7184e-09 au
q 1.955474145300451 7.4628e-08 au
i 2.165759384819178 4.5383e-06 deg
node 189.3640108077825 0.00011908 deg
peri 35.88791281122194 0.00012125 deg
M 261.7759070719832 2.4239e-05 deg
tp 2458929.682187366723
(2020-Mar-21.18218737)
8.2e-05 TDB
period 1206.481871396529
3.30
7.1138e-06
1.948e-08
d
yr
n .2983882381782433 1.7594e-09 deg/d
Q 2.480390081876017 9.7501e-09 au
  Orbit Determination Parameters
   # obs. used (total)      661  
   data-arc span      14177 days (38.81 yr)  
   first obs. used      1980-03-16  
   last obs. used      2019-01-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:32:52  

Additional Information
 Earth MOID = .946752 au 
 Jupiter MOID = 2.49626 au 
 T_jup = 3.642 
[ 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 16.3   n/a MPO425958  
diameter diameter 1.767 km 0.227 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.225   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15577 Gywilliams           Discovered 2000 Apr. 5 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Named in honor of Genevieve Y. Williams for achievement as a finalist in the 2001 Discovery Young Scientist Challenge (DYSC), a middle school science competition. Genevieve is a student at the Palos Verdes Intermediate School, Palos Verdes, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20011002/MPCPages.arcLast Updated: 2009-05-11

[ show close-approach data ]
Alternate Designations
 2000 GN68 = 1980 FD1 = 1994 RE13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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