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JPL Small-Body Database Browser
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530941 (2011 XJ4)
Classification: TransNeptunian Object          SPK-ID: 2530941
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1903868347127584 3.0948e-05  
a 45.53537207370307 0.0021128 au
q 36.866036717123 0.00034398 au
i 11.211933297243 9.6098e-05 deg
node 335.3367277109 0.00018718 deg
peri 191.1386748534672 0.0085365 deg
M 12.60979152462255 0.0058707 deg
tp 2455069.281643858419
(2009-Aug-25.78164386)
1.7707 TDB
period 112233.3073824019
307.28
7.8112
0.02139
d
yr
n .003207603949275112 2.2324e-07 deg/d
Q 54.20470743028313 0.002515 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5431 days (14.87 yr)  
   first obs. used      2003-03-31  
   last obs. used      2018-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      3  
   norm. resid. RMS      .92447  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 11:12:54  

Additional Information
 Earth MOID = 35.8742 au 
 Jupiter MOID = 31.4419 au 
 T_jup = 5.812 
[ 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 7.0   n/a E2018Y78  

530941 (2011 XJ4)          Discovered 2011-Dec-06 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-05-29
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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