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JPL Small-Body Database Browser
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20783 (2000 RK55)
Classification: Main-belt Asteroid          SPK-ID: 2020783
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 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2167107506902096 4.3973e-08  
a 2.730453985671655 1.3495e-08 au
q 2.138735252711676 1.1899e-07 au
i 7.748122622051915 4.5372e-06 deg
node 290.3700320533523 3.4966e-05 deg
peri 41.11796600485944 3.6265e-05 deg
M 91.82981088434816 1.0992e-05 deg
tp 2458180.129811804655
(2018-Mar-02.62981180)
4.9e-05 TDB
period 1647.975382862494
4.51
1.2217e-05
3.345e-08
d
yr
n .2184498650548338 1.6195e-09 deg/d
Q 3.322172718631634 1.6419e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1417  
   data-arc span      23155 days (63.39 yr)  
   first obs. used      1955-10-23  
   last obs. used      2019-03-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 23:45:08  

Additional Information
 Earth MOID = 1.13378 au 
 Jupiter MOID = 2.06149 au 
 T_jup = 3.307 
[ 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 13.8   n/a MPO492970  
diameter diameter 4.848 km 0.239 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.299   0.078 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

20783 (2000 RK55)          Discovered 2000-Sep-03 by LINEAR at Socorro
Reference: 20010109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2000 RK55 = 1986 RY2 = 1999 LB18 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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