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118771 (2000 RY18)
Classification: Main-belt Asteroid          SPK-ID: 2118771
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749831691055234 4.8204e-08  
a 2.746698402275113 2.0027e-08 au
q 2.266072411267936 1.3336e-07 au
i 7.312051829204099 5.0693e-06 deg
node 276.2609733418758 3.8832e-05 deg
peri 29.1461451030661 4.088e-05 deg
M 153.5984842515095 1.2095e-05 deg
tp 2458291.086712898027
(2018-Jun-21.58671290)
5.6279e-05 TDB
period 1662.703799462788
4.55
1.8185e-05
4.979e-08
d
yr
n .2165148116677873 2.368e-09 deg/d
Q 3.22732439328229 2.3531e-08 au
  Orbit Determination Parameters
   # obs. used (total)      507  
   data-arc span      7067 days (19.35 yr)  
   first obs. used      2000-08-29  
   last obs. used      2020-01-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57352  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-29 16:54:16  

Additional Information
 Earth MOID = 1.25406 au 
 Jupiter MOID = 2.0175 au 
 T_jup = 3.313 
[ 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 MPO449693  

118771 (2000 RY18)          Discovered 2000-Sep-01 by LINEAR at Socorro
Reference: 20051116/Numbers.arcLast Updated: 2005-11-21

Alternate Designations
 2000 RY18 = 2001 YL74 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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