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JPL Small-Body Database Browser
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268384 (2005 UJ57)
Classification: Main-belt Asteroid          SPK-ID: 2268384
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1506948526370856 1.411e-07  
a 2.665573900297074 1.939e-08 au
q 2.263885634198545 3.8159e-07 au
i 7.687750067515551 1.2893e-05 deg
node 64.12699341290863 7.5909e-05 deg
peri .3930048267943724 8.9542e-05 deg
M 14.46630137926217 4.4208e-05 deg
tp 2458536.623733259279
(2019-Feb-22.12373326)
0.00019494 TDB
period 1589.587789151435
4.35
1.7345e-05
4.749e-08
d
yr
n .2264738081513432 2.4711e-09 deg/d
Q 3.067262166395603 2.2312e-08 au
  Orbit Determination Parameters
   # obs. used (total)      246  
   data-arc span      9540 days (26.12 yr)  
   first obs. used      1992-11-18  
   last obs. used      2019-01-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64374  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 05:16:18  

Additional Information
 Earth MOID = 1.27704 au 
 Jupiter MOID = 2.24759 au 
 T_jup = 3.354 
[ 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 16.4   n/a MPO470848  

268384 (2005 UJ57)          Discovered 2005-Oct-24 by LONEOS at Anderson Mesa
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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