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JPL Small-Body Database Browser
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393365 (1999 RK213)
Classification: Main-belt Asteroid          SPK-ID: 2393365
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1696782004139081 4.6717e-07  
a 2.123253048978961 9.7032e-08 au
q 1.762983292604867 1.0706e-06 au
i 2.435333551926755 9.0775e-06 deg
node 354.4045446020793 0.00026642 deg
peri 324.9918784670451 0.00032073 deg
M 274.1809968619783 0.00027024 deg
tp 2459269.890344847260
(2021-Feb-24.39034485)
0.00086648 TDB
period 1130.058851756187
3.09
7.7465e-05
2.121e-07
d
yr
n .3185674794197982 2.1838e-08 deg/d
Q 2.483522805353055 1.135e-07 au
  Orbit Determination Parameters
   # obs. used (total)      74  
   data-arc span      7499 days (20.53 yr)  
   first obs. used      1996-10-18  
   last obs. used      2017-04-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      1  
   norm. resid. RMS      .59429  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-May-15 18:42:06  

Additional Information
 Earth MOID = .750704 au 
 Jupiter MOID = 2.80416 au 
 T_jup = 3.709 
[ 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 18.6   n/a MPO251988  

393365 (1999 RK213)          Discovered 1999-Sep-12 by Bickel, W. at Bergisch Gladbach
Reference: Last Updated: 2014-05-15

Alternate Designations
 1999 RK213 = 1999 TT306 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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