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192662 (1999 RK161)
Classification: Main-belt Asteroid          SPK-ID: 2192662
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1016068469537981 5.6531e-08  
a 2.629606040727673 1.8718e-08 au
q 2.362420062198674 1.5663e-07 au
i 6.410811684410405 5.1387e-06 deg
node 212.7751932266382 3.8572e-05 deg
peri 130.2822187325007 4.4113e-05 deg
M 355.7731184401999 2.0833e-05 deg
tp 2459218.787403101572
(2021-Jan-04.28740310)
9.0156e-05 TDB
period 1557.522968984589
4.26
1.663e-05
4.553e-08
d
yr
n .2311362382249157 2.4679e-09 deg/d
Q 2.896792019256673 2.062e-08 au
  Orbit Determination Parameters
   # obs. used (total)      502  
   data-arc span      7851 days (21.49 yr)  
   first obs. used      1999-05-20  
   last obs. used      2020-11-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56472  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 22:17:04  

Additional Information
 Earth MOID = 1.35944 au 
 Jupiter MOID = 2.47347 au 
 T_jup = 3.384 
[ 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 15.83   n/a E2021B55  

192662 (1999 RK161)          Discovered 1999-Sep-09 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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