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186975 (2004 RY209)
Classification: Main-belt Asteroid          SPK-ID: 2186975
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04543309868996463 5.377e-08  
a 3.094176453123052 3.0477e-08 au
q 2.953598428964148 1.5444e-07 au
i 15.36731540541761 4.4863e-06 deg
node 233.1198594693972 1.7294e-05 deg
peri 353.0289110731502 6.0595e-05 deg
M 113.4419972557705 5.6498e-05 deg
tp 2458574.048569370914
(2019-Mar-31.54856937)
0.00031563 TDB
period 1987.998452795217
5.44
2.9372e-05
8.042e-08
d
yr
n .1810866600493695 2.6755e-09 deg/d
Q 3.234754477281957 3.1861e-08 au
  Orbit Determination Parameters
   # obs. used (total)      597  
   data-arc span      7742 days (21.20 yr)  
   first obs. used      1999-10-12  
   last obs. used      2020-12-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56608  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:53:29  

Additional Information
 Earth MOID = 1.94248 au 
 Jupiter MOID = 1.76853 au 
 T_jup = 3.167 
[ 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 14.83   n/a E2021B55  

186975 (2004 RY209)          Discovered 2004-Sep-11 by LINEAR at Socorro
Reference: 20080520/Numbers.arcLast Updated: 2008-05-22

[ show close-approach data ]
Alternate Designations
 2004 RY209 = 2005 UK186 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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