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JPL Small-Body Database Browser
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249469 (2009 JL5)
Classification: Main-belt Asteroid          SPK-ID: 2249469
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1655462330301368 5.8219e-08  
a 3.190291340521511 5.9321e-08 au
q 2.66215062682951 1.771e-07 au
i 17.84348337900192 6.382e-06 deg
node 152.716116944859 2.5725e-05 deg
peri 177.1160981612597 3.4522e-05 deg
M 171.3833789498076 2.352e-05 deg
tp 2457609.644909925078
(2016-Aug-09.14490993)		 0.00013155 TDB
period 2081.344378975277
5.70		 5.8052e-05
1.589e-07		 d
yr
n .1729651294790732 4.8242e-09 deg/d
Q 3.718432054213512 6.9142e-08 au
   Orbit Determination Parameters
   # obs. used (total)      191  
   data-arc span      7097 days (19.43 yr)  
   first obs. used      1999-09-07  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54958  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:14:09  

Additional Information
 Earth MOID = 1.65069 au 
 Jupiter MOID = 1.67097 au 
 T_jup = 3.101 
[ 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 15.5   n/a MPO470661  
diameter diameter 4.255 km 0.323 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.067   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249469 (2009 JL5)          Discovered 2009-May-14 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2009 JL5 = 1999 RV76 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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