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JPL Small-Body Database Browser
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212244 (2005 JU57)
Classification: Main-belt Asteroid          SPK-ID: 2212244
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01053194772866455 9.6525e-08  
a 2.702764166516548 3.9827e-08 au
q 2.674298795591889 2.455e-07 au
i .8565258642071458 8.4695e-06 deg
node 291.6106177849263 0.00065138 deg
peri 261.7609536292828 0.00077293 deg
M 86.81605054108411 0.00041904 deg
tp 2458209.111392974393
(2018-Mar-31.61139297)		 0.0018872 TDB
period 1622.970610285251
4.44		 3.5873e-05
9.821e-08		 d
yr
n .2218154769523071 4.9029e-09 deg/d
Q 2.731229537441208 4.0246e-08 au
   Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      8499 days (23.27 yr)  
   first obs. used      1995-01-07  
   last obs. used      2018-04-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62301  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 03:55:41  

Additional Information
 Earth MOID = 1.66982 au 
 Jupiter MOID = 2.22898 au 
 T_jup = 3.366 
[ 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 17.0   n/a MPO450007  

212244 (2005 JU57)          Discovered 2005-May-07 by Spacewatch at Kitt Peak
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2005 JU57 = 2004 BQ128 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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