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JPL Small-Body Database Browser
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487707 (2015 RF31)
Classification: Main-belt Asteroid          SPK-ID: 2487707
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .244241259753373 1.6061e-07  
a 3.141141598707003 5.362e-08 au
q 2.373945217575081 5.1029e-07 au
i 18.08378339925912 1.5562e-05 deg
node 26.36284237447689 2.0244e-05 deg
peri 359.6222417095995 2.8855e-05 deg
M 233.256813075222 1.6793e-05 deg
tp 2459316.399106995347
(2021-Apr-11.89910700)
0.00010697 TDB
period 2033.43220863843
5.57
5.2067e-05
1.426e-07
d
yr
n .1770405713407348 4.5332e-09 deg/d
Q 3.908337979838925 6.6716e-08 au
  Orbit Determination Parameters
   # obs. used (total)      163  
   data-arc span      5322 days (14.57 yr)  
   first obs. used      2004-11-03  
   last obs. used      2019-05-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60925  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:19:37  

Additional Information
 Earth MOID = 1.37767 au 
 Jupiter MOID = 1.54687 au 
 T_jup = 3.089 
[ 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 16.2   n/a MPO440946  

487707 (2015 RF31)          Discovered 2004-Nov-03 by LONEOS at Anderson Mesa
Reference: Last Updated: 2017-03-14

[ show close-approach data ]
Alternate Designations
 2015 RF31 = 2004 XU 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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