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192676 (1999 RK239)
Classification: Main-belt Asteroid          SPK-ID: 2192676
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2465716550314291 5.445e-08  
a 2.677792267118114 2.2741e-08 au
q 2.017524595984438 1.5202e-07 au
i 16.18748641245939 5.4216e-06 deg
node 157.0635765112439 2.1034e-05 deg
peri 199.4274364233201 2.4466e-05 deg
M 353.8673414556625 1.7951e-05 deg
tp 2459423.765284602164
(2021-Jul-28.26528460)
8.0083e-05 TDB
period 1600.529751626584
4.38
2.0389e-05
5.582e-08
d
yr
n .2249255283346903 2.8653e-09 deg/d
Q 3.33805993825179 2.8349e-08 au
  Orbit Determination Parameters
   # obs. used (total)      310  
   data-arc span      10005 days (27.39 yr)  
   first obs. used      1993-02-26  
   last obs. used      2020-07-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .61837  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:08  

Additional Information
 Earth MOID = 1.0173 au 
 Jupiter MOID = 2.11471 au 
 T_jup = 3.278 
[ 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 15.84   n/a E2021B55  

192676 (1999 RK239)          Discovered 1999-Sep-08 by CSS at Catalina
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

Alternate Designations
 1999 RK239 = 1993 DW1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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