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JPL Small-Body Database Browser
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20573 Garynadler (1999 RW137)
Classification: Main-belt Asteroid          SPK-ID: 2020573
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04359916121289622 4.1663e-08  
a 2.699552537839363 1.657e-08 au
q 2.581854311539422 1.1309e-07 au
i 6.373728857123685 4.6263e-06 deg
node 154.8552378221911 3.9311e-05 deg
peri 205.0617900521397 6.5201e-05 deg
M 132.7721748226462 5.0816e-05 deg
tp 2458002.996200628645
(2017-Sep-06.49620063)
0.00023 TDB
period 1620.078665285215
4.44
1.4916e-05
4.084e-08
d
yr
n .2222114318977357 2.0459e-09 deg/d
Q 2.817250764139305 1.7292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1083  
   data-arc span      8116 days (22.22 yr)  
   first obs. used      1997-03-02  
   last obs. used      2019-05-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50939  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:42:48  

Additional Information
 Earth MOID = 1.57749 au 
 Jupiter MOID = 2.37691 au 
 T_jup = 3.358 
[ 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 14.6   n/a MPO324499  
diameter diameter 4.061 km 0.228 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 4.02 h n/a LCDB (Rev. 2019-January); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Chang, C.-K.; Lin, H.-W.; Ip, W.-H.; Prince, T.A.; et al. (2016) Astrophys. J. Sup. Ser. 227, A20.]
geometric albedo albedo 0.186   0.031 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20573 Garynadler           Discovered 1999 Sept. 9 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Gary Nadler mentored a finalist in the 2004 Discovery Channel Youth Science Challenge (DCYSC), a middle school science competition. He teaches at the John Glenn Middle School of International Studies, Indio, California.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20041028/MPCPages.arcLast Updated: 2004-10-29
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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