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487791 (2015 RL238)
Classification: Main-belt Asteroid          SPK-ID: 2487791
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08856633373471158 6.6633e-08  
a 3.037451456243441 5.6791e-08 au
q 2.768435516866799 2.1224e-07 au
i 12.86073191483199 6.8526e-06 deg
node 112.4561563157771 3.7027e-05 deg
peri 348.859165649286 6.7382e-05 deg
M 260.7752381403414 5.6387e-05 deg
tp 2459533.442077064902
(2021-Nov-14.94207706)
0.00030962 TDB
period 1933.581337435973
5.29
5.4228e-05
1.485e-07
d
yr
n .1861830133700909 5.2216e-09 deg/d
Q 3.306467395620083 6.1821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      85  
   data-arc span      4959 days (13.58 yr)  
   first obs. used      2005-12-27  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .77586  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:40  

Additional Information
 Earth MOID = 1.78636 au 
 Jupiter MOID = 1.82763 au 
 T_jup = 3.197 
[ 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 16.7   n/a MPO477319  

487791 (2015 RL238)          Discovered 2005-Dec-27 by Spacewatch at Kitt Peak
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RL238 = 2005 YM158 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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