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JPL Small-Body Database Browser
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471318 (2011 JF31)
Classification: TransNeptunian Object          SPK-ID: 2471318
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1307138976636363 0.00017345  
a 41.67329929968269 0.0020345 au
q 36.22601991971788 0.0063642 au
i 27.64575241409004 0.00026742 deg
node 236.8088548394322 7.7186e-05 deg
peri 254.1033088310253 0.013578 deg
M 90.33575929487465 0.028209 deg
tp 2433943.374075761083
(1951-Oct-23.87407576)
6.1319 TDB
period 98261.92198984082
269.03
7.1957
0.0197
d
yr
n .003663677574281724 2.6829e-07 deg/d
Q 47.12057867964749 0.0023004 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      1558 days (4.27 yr)  
   first obs. used      2011-04-13  
   last obs. used      2015-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .44832  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 07:23:19  

Additional Information
 Earth MOID = 35.3472 au 
 Jupiter MOID = 31.5839 au 
 T_jup = 5.096 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 5.2   n/a MPO383369  

471318 (2011 JF31)          Discovered 2011-May-03 by La Silla at La Silla
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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