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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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457286.5 (2015-Sep-21.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647014275440907 5.8228e-08  
q 2.665277850705106 1.7713e-07 au
tp 2457610.142368979875
(2016-Aug-09.64236898)
0.00013227 TDB
node 152.739751927418 2.5727e-05 deg
peri 177.3352633465632 3.4602e-05 deg
i 17.8405096463221 6.381e-06 deg
  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
 Jupiter MOID = 1.67097 au 
 T_jup = 3.101 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.390521229216739E-15 -9.942639520523174E-15 4.198517957312832E-13 3.426655212130206E-15 2.089653219167359E-15 6.417392327148427E-15
q -9.942639520523174E-15 3.137337376722517E-14 -9.699026213975208E-13 -5.872388634529356E-15 -3.533689057288652E-14 -1.097280099617963E-14
tp 4.198517957312832E-13 -9.699026213975208E-13 1.749560150663467E-8 -4.6684637315911E-11 3.157379247267393E-9 -5.846492694004936E-12
node 3.426655212130206E-15 -5.872388634529356E-15 -4.6684637315911E-11 6.618777467969545E-10 -6.378158881923009E-10 3.59533004782198E-12
peri 2.089653219167359E-15 -3.533689057288652E-14 3.157379247267393E-9 -6.378158881923009E-10 1.197311531257791E-9 -4.874397787098E-12
i 6.417392327148427E-15 -1.097280099617963E-14 -5.846492694004936E-12 3.59533004782198E-12 -4.874397787098E-12 4.071777103204106E-11

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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