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226146 (2002 RY242)
Classification: Main-belt Asteroid          SPK-ID: 2226146
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1821436677404914 5.592e-08  
a 2.243120791943634 9.7663e-09 au
q 1.834550543714065 1.2481e-07 au
i 2.444417029518145 6.6393e-06 deg
node 218.7142906325022 0.00010932 deg
peri 152.2324948050569 0.00011047 deg
M 80.12001741794288 1.4063e-05 deg
tp 2458727.403614259479
(2019-Aug-31.90361426)
4.8034e-05 TDB
period 1227.092829420303
3.36
8.0139e-06
2.194e-08
d
yr
n .2933763374447143 1.916e-09 deg/d
Q 2.651691040173203 1.1545e-08 au
  Orbit Determination Parameters
   # obs. used (total)      270  
   data-arc span      7318 days (20.04 yr)  
   first obs. used      1999-11-12  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51248  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 15:34:25  

Additional Information
 Earth MOID = .834874 au 
 Jupiter MOID = 2.81587 au 
 T_jup = 3.610 
[ 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 17.6   n/a MPO440181  

226146 (2002 RY242)          Discovered 2002-Sep-14 by NEAT at Palomar
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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