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109726 (2001 RY56)
Classification: Main-belt Asteroid          SPK-ID: 2109726
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2157900210978488 5.4513e-08  
a 2.567832693775847 2.328e-08 au
q 2.013720022610211 1.3608e-07 au
i 9.26950849563004 6.8987e-06 deg
node 169.4862084300608 3.9483e-05 deg
peri 71.84290769816182 4.517e-05 deg
M 283.0511120739989 3.1251e-05 deg
tp 2459321.753863895347
(2021-Apr-17.25386390)
0.00013371 TDB
period 1502.96377399947
4.11
2.0439e-05
5.596e-08
d
yr
n .2395267312677937 3.2573e-09 deg/d
Q 3.121945364941483 2.8303e-08 au
  Orbit Determination Parameters
   # obs. used (total)      278  
   data-arc span      21657 days (59.29 yr)  
   first obs. used      1960-09-28  
   last obs. used      2020-01-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58479  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 03:31:55  

Additional Information
 Earth MOID = 1.02496 au 
 Jupiter MOID = 1.95295 au 
 T_jup = 3.380 
[ 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 16.1   n/a MPO459514  

109726 (2001 RY56)          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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