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JPL Small-Body Database Browser
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20523 (1999 RZ41)
Classification: Main-belt Asteroid          SPK-ID: 2020523
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08292027496037144 5.0127e-08  
a 3.179741225573127 2.2755e-08 au
q 2.916076208845775 1.5652e-07 au
i 8.482545529944742 5.8726e-06 deg
node 203.7853694853015 3.3099e-05 deg
peri 105.2097920610012 4.9621e-05 deg
M 211.2601449166891 3.9713e-05 deg
tp 2459456.179143386668
(2021-Aug-29.67914339)
0.00023305 TDB
period 2071.028585086769
5.67
2.2231e-05
6.087e-08
d
yr
n .1738266688312838 1.8659e-09 deg/d
Q 3.44340624230048 2.4642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1742  
   data-arc span      13383 days (36.64 yr)  
   first obs. used      1982-09-16  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50204  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:53:16  

Additional Information
 Earth MOID = 1.91652 au 
 Jupiter MOID = 1.79616 au 
 T_jup = 3.177 
[ 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 12.7   n/a MPO435890  
diameter diameter 18.286 km 0.125 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.039   0.003 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20523 (1999 RZ41)          Discovered 1999-Sep-13 by Korlevic, K. at Visnjan
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RZ41 = 1982 SO6 = 1997 EE59 = 1997 GF15 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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