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JPL Small-Body Database Browser
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379800 (2011 JJ4)
Classification: Main-belt Asteroid          SPK-ID: 2379800
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01750173706275976 7.603e-08  
a 3.1813530218322 7.4829e-08 au
q 3.125673817740277 2.392e-07 au
i 8.698021124870245 8.5906e-06 deg
node 123.5973248641452 8.0768e-05 deg
peri 176.2545027318988 0.00037938 deg
M 142.2329205440489 0.00036812 deg
tp 2458181.632095389999
(2018-Mar-04.13209539)		 0.0021276 TDB
period 2072.603476972862
5.67		 7.3125e-05
2.002e-07		 d
yr
n .1736945846128742 6.1282e-09 deg/d
Q 3.237032225924124 7.6138e-08 au
   Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5387 days (14.75 yr)  
   first obs. used      2003-12-17  
   last obs. used      2018-09-16  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67615  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 11:35:25  

Additional Information
 Earth MOID = 2.11011 au 
 Jupiter MOID = 1.85149 au 
 T_jup = 3.181 
[ 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 15.9   n/a MPO418933  
diameter diameter 4.511 km 1.022 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.151   0.057 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

379800 (2011 JJ4)          Discovered 2003-Dec-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2013-11-20

[ show close-approach data ]
Alternate Designations
 2011 JJ4 = 2010 JQ59 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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