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JPL Small-Body Database Browser
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20547 (1999 RD105)
Classification: Main-belt Asteroid          SPK-ID: 2020547
[ 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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069646168350238 3.4731e-08  
a 3.16154225909541 2.0461e-08 au
q 2.823369102743534 1.1286e-07 au
i 5.715315998027169 4.8574e-06 deg
node 171.3022351448352 4.1088e-05 deg
peri 84.03857207575004 4.7536e-05 deg
M 281.0019588888895 2.3476e-05 deg
tp 2459051.068405716326
(2020-Jul-20.56840572)		 0.00013471 TDB
period 2053.274027766547
5.62		 1.9932e-05
5.457e-08		 d
yr
n .1753297393001122 1.702e-09 deg/d
Q 3.499715415447286 2.2649e-08 au
   Orbit Determination Parameters
   # obs. used (total)      1407  
   data-arc span      10281 days (28.15 yr)  
   first obs. used      1991-03-15  
   last obs. used      2019-05-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52656  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 02:53:30  

Additional Information
 Earth MOID = 1.81606 au 
 Jupiter MOID = 1.56629 au 
 T_jup = 3.188 
[ 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 13.2   n/a MPO435890  
diameter diameter 10.958 km 0.219 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.085   0.008 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20547 (1999 RD105)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RD105 = 1993 RQ10 = 1998 OU5 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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