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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1749973232668011 4.7847e-08  
a 2.746705673407201 1.8396e-08 au
q 2.266039532759204 1.3304e-07 au
i 7.311429583597695 4.8714e-06 deg
node 276.258616653146 3.7572e-05 deg
peri 29.19312005374672 3.9146e-05 deg
M 196.8384920325101 1.1589e-05 deg
tp 2459954.084267973348
(2023-Jan-09.58426797)
5.5485e-05 TDB
period 1662.710401796852
4.55
1.6704e-05
4.573e-08
d
yr
n .2165139519250956 2.1752e-09 deg/d
Q 3.227371814055197 2.1616e-08 au
  Orbit Determination Parameters
   # obs. used (total)      552  
   data-arc span      7500 days (20.53 yr)  
   first obs. used      2000-08-29  
   last obs. used      2021-03-12  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57302  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 16:58:47  

Additional Information
 Earth MOID = 1.25206 au 
 Jupiter MOID = 2.01717 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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