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JPL Small-Body Database Browser
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59946 (1999 RG205)
Classification: Main-belt Asteroid          SPK-ID: 2059946
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 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .009730676898295085 5.1118e-08  
a 3.05084747530982 3.089e-08 au
q 3.021160664261601 1.5811e-07 au
i 15.72248498329558 7.1513e-06 deg
node 310.2918606213668 2.0965e-05 deg
peri 287.1293773247322 0.00036803 deg
M 15.70150656106874 0.00036737 deg
tp 2458515.607759632884
(2019-Feb-01.10775963)
0.0019864 TDB
period 1946.386890538065
5.33
2.9561e-05
8.093e-08
d
yr
n .1849580891394519 2.8091e-09 deg/d
Q 3.080534286358039 3.1191e-08 au
  Orbit Determination Parameters
   # obs. used (total)      706  
   data-arc span      9969 days (27.29 yr)  
   first obs. used      1991-02-19  
   last obs. used      2018-06-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51341  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 03:41:08  

Additional Information
 Earth MOID = 2.02197 au 
 Jupiter MOID = 2.01091 au 
 T_jup = 3.180 
[ 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 13.9   n/a MPO395559  
diameter diameter 9.318 km 0.096 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  
geometric albedo albedo 0.067   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2012ApJ...759L...8M)  

59946 (1999 RG205)          Discovered 1999-Sep-08 by LINEAR at Socorro
Reference: 20030614/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1999 RG205 = 2000 XS12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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