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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08759924020624743 6.6541e-08  
a 3.040341618187057 5.7419e-08 au
q 2.774010002466438 2.1239e-07 au
i 12.85644946899887 6.8514e-06 deg
node 112.4531167870458 3.7031e-05 deg
peri 348.5925452235797 6.8053e-05 deg
M 186.5929083589271 5.6329e-05 deg
tp 2459533.209407459436
(2021-Nov-14.70940746)
0.00031379 TDB
period 1936.341723442328
5.30
5.4854e-05
1.502e-07
d
yr
n .1859175969002055 5.2668e-09 deg/d
Q 3.306673233907675 6.2449e-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 = 1.79216 au 
 Jupiter MOID = 1.82888 au 
 T_jup = 3.196 
[ 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 16.9   n/a MPO399137  

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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