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JPL Small-Body Database Browser
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487786 (2015 RY231)
Classification: Main-belt Asteroid          SPK-ID: 2487786
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1201159035161649 1.8728e-07  
a 2.588917721176154 4.4679e-08 au
q 2.27794752996807 5.1057e-07 au
i 5.208377521348062 8.189e-06 deg
node 44.45323555434498 0.00010518 deg
peri 97.748610381102 0.00011994 deg
M 288.1411073775374 5.068e-05 deg
tp 2459304.206312488372
(2021-Mar-30.70631249)
0.00021085 TDB
period 1521.513462088016
4.17
3.9387e-05
1.078e-07
d
yr
n .2366065164523499 6.1249e-09 deg/d
Q 2.899887912384239 5.0045e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      6707 days (18.36 yr)  
   first obs. used      2001-05-23  
   last obs. used      2019-10-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59146  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 15:28:59  

Additional Information
 Earth MOID = 1.29755 au 
 Jupiter MOID = 2.12185 au 
 T_jup = 3.405 
[ 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 17.5   n/a MPO399136  

487786 (2015 RY231)          Discovered 2005-Apr-07 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

Alternate Designations
 2015 RY231 = 2013 EU119 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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