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109656 (2001 RY8)
Classification: Main-belt Asteroid          SPK-ID: 2109656
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1154545109930039 6.3563e-08  
a 2.943001699712412 2.0088e-08 au
q 2.603218877620536 1.9375e-07 au
i 1.739693331484358 5.4221e-06 deg
node 12.87499066739207 0.00014005 deg
peri .4423693202913326 0.00014169 deg
M 234.7374967555035 2.5688e-05 deg
tp 2459642.156771611363
(2022-Mar-03.65677161)
0.00013577 TDB
period 1844.098846797074
5.05
1.8881e-05
5.169e-08
d
yr
n .1952173011903709 1.9987e-09 deg/d
Q 3.282784521804287 2.2407e-08 au
  Orbit Determination Parameters
   # obs. used (total)      501  
   data-arc span      8713 days (23.85 yr)  
   first obs. used      1996-09-05  
   last obs. used      2020-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6171  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 19:10:44  

Additional Information
 Earth MOID = 1.60365 au 
 Jupiter MOID = 2.18238 au 
 T_jup = 3.261 
[ 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 15.3   n/a MPO264102  

109656 (2001 RY8)          Discovered 2001-Sep-07 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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