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117046 (2004 JL31)
Classification: Main-belt Asteroid          SPK-ID: 2117046
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08879985796200908 3.5462e-08  
a 2.960588952911083 1.8888e-08 au
q 2.697689074408686 1.0909e-07 au
i 11.70272110624009 3.8936e-06 deg
node 120.3075621721759 2.1226e-05 deg
peri 190.9344413976501 3.3771e-05 deg
M 2.967675936875878 2.5646e-05 deg
tp 2458985.161617180430
(2020-May-15.66161718)
0.00013254 TDB
period 1860.653903086929
5.09
1.7806e-05
4.875e-08
d
yr
n .1934803669842843 1.8515e-09 deg/d
Q 3.223488831413481 2.0565e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1006  
   data-arc span      8166 days (22.36 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-08-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51505  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-25 09:57:34  

Additional Information
 Earth MOID = 1.68392 au 
 Jupiter MOID = 2.02321 au 
 T_jup = 3.229 
[ 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 14.2   n/a MPO436561  
diameter diameter 4.949 km 0.253 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.165   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

117046 (2004 JL31)          Discovered 2004-May-15 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

[ show close-approach data ]
Alternate Designations
 2004 JL31 = 1998 FQ124 = 2000 SG355 = 2002 AV82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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