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109846 (2001 RY128)
Classification: Outer Main-belt Asteroid          SPK-ID: 2109846
[ 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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08883663689904299 4.0685e-08  
a 3.247586404102296 3.1693e-08 au
q 2.959081749922792 1.3185e-07 au
i 3.186101626672799 4.8597e-06 deg
node 57.86825013929896 9.8237e-05 deg
peri 223.9773915584845 0.0001034 deg
M 135.6072194404588 3.2607e-05 deg
tp 2458195.270255399397
(2018-Mar-17.77025540)		 0.00019306 TDB
period 2137.664272243971
5.85		 3.1292e-05
8.567e-08		 d
yr
n .1684081100453146 2.4653e-09 deg/d
Q 3.536091058281801 3.4509e-08 au
   Orbit Determination Parameters
   # obs. used (total)      458  
   data-arc span      7995 days (21.89 yr)  
   first obs. used      1997-12-05  
   last obs. used      2019-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6078  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 12:54:22  

Additional Information
 Earth MOID = 1.94375 au 
 Jupiter MOID = 1.57769 au 
 T_jup = 3.174 
[ 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 14.9   n/a MPO453559  

109846 (2001 RY128)          Discovered 2001-Sep-12 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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