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109664 (2001 RX18)
Classification: Main-belt Asteroid          SPK-ID: 2109664
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1069297529417808 6.5075e-08  
a 2.561435087809056 1.504e-08 au
q 2.287541466693225 1.6238e-07 au
i 13.2233692874312 6.7035e-06 deg
node 333.6132812876426 2.5423e-05 deg
peri 79.61100192461579 3.8132e-05 deg
M 141.0225321599976 3.1062e-05 deg
tp 2458413.944020853062
(2018-Oct-22.44402085)
0.00012749 TDB
period 1497.350453566705
4.10
1.3188e-05
3.611e-08
d
yr
n .2404246775646116 2.1176e-09 deg/d
Q 2.835328708924887 1.6648e-08 au
  Orbit Determination Parameters
   # obs. used (total)      426  
   data-arc span      7746 days (21.21 yr)  
   first obs. used      1999-02-12  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58124  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 19:07:02  

Additional Information
 Earth MOID = 1.33984 au 
 Jupiter MOID = 2.4969 au 
 T_jup = 3.390 
[ 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 15.5   n/a MPO366465  

109664 (2001 RX18)          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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