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JPL Small-Body Database Browser
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447131 (2004 XJ11)
Classification: Main-belt Asteroid          SPK-ID: 2447131
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2550458234780453 1.9099e-07  
a 3.180779339663286 5.4835e-08 au
q 2.36953485367691 6.0165e-07 au
i 24.99678152882478 1.2771e-05 deg
node 256.5443844371417 2.0753e-05 deg
peri 102.3495551659065 3.351e-05 deg
M 249.7163247271163 2.3981e-05 deg
tp 2459235.256957243228
(2021-Jan-20.75695724)
0.0001458 TDB
period 2072.04288433565
5.67
5.3582e-05
1.467e-07
d
yr
n .1737415778030218 4.4929e-09 deg/d
Q 3.992023825649662 6.8821e-08 au
  Orbit Determination Parameters
   # obs. used (total)      173  
   data-arc span      4769 days (13.06 yr)  
   first obs. used      2004-12-03  
   last obs. used      2017-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58984  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 19:28:20  

Additional Information
 Earth MOID = 1.50723 au 
 Jupiter MOID = 2.05178 au 
 T_jup = 3.006 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.0   n/a MPO434662  

447131 (2004 XJ11)          Discovered 2004-Dec-03 by NEAT at Palomar
Reference: Last Updated: 2015-10-28

Alternate Designations
 2004 XJ11 = 2009 KW13 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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