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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0174945722892334 7.6071e-08  
a 3.18009356830261 7.4558e-08 au
q 3.124459191485414 2.3827e-07 au
i 8.697717875784562 8.5904e-06 deg
node 123.6051622554889 8.079e-05 deg
peri 174.855535393962 0.00037957 deg
M 74.14268384389472 0.00036903 deg
tp 2458173.896831704224
(2018-Feb-24.39683170)
0.0021276 TDB
period 2071.372826344291
5.67
7.2845e-05
1.994e-07
d
yr
n .173797780593344 6.1121e-09 deg/d
Q 3.235727945119807 7.5862e-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 = 2.10813 au 
 Jupiter MOID = 1.85268 au 
 T_jup = 3.182 
[ 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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