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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1660021137120721 5.5795e-08  
a 3.189054107205826 5.5227e-08 au
q 2.659664384667494 1.7349e-07 au
i 17.84769989698622 6.3218e-06 deg
node 152.7196102137296 2.3878e-05 deg
peri 177.1448272094056 3.2255e-05 deg
M 240.5683390218161 2.3823e-05 deg
tp 2459690.593965900431
(2022-Apr-21.09396590)
0.00014596 TDB
period 2080.133740830545
5.70
5.4034e-05
1.479e-07
d
yr
n .1730657952100046 4.4956e-09 deg/d
Q 3.718443829744157 6.4395e-08 au
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7450 days (20.40 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:23:47  

Additional Information
 Earth MOID = 1.64911 au 
 Jupiter MOID = 1.67443 au 
 T_jup = 3.101 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457447.5 (2016-Feb-29.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1647871357952923 5.5799e-08  
q 2.665461950213799 1.7357e-07 au
tp 2457609.957392591293
(2016-Aug-09.45739259)
0.00012819 TDB
node 152.7386939146896 2.3883e-05 deg
peri 177.2919018158213 3.2363e-05 deg
i 17.84060676262872 6.3193e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      202  
   data-arc span      7450 days (20.40 yr)  
   first obs. used      1999-09-07  
   last obs. used      2020-01-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55214  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:23:47  

Additional Information
 Jupiter MOID = 1.67443 au 
 T_jup = 3.101 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.113531235377822E-15 -9.3546296529475E-15 9.567351332254176E-13 5.070391670572361E-15 1.291949126223961E-13 4.558637647047783E-15
q -9.3546296529475E-15 3.012784395991824E-14 -2.109890961484547E-12 -1.078722257438907E-14 -3.039360245567883E-13 -6.876455262829321E-15
tp 9.567351332254176E-13 -2.109890961484547E-12 1.643194991488426E-8 -2.918473887902074E-11 2.886179049581499E-9 -4.084256597733256E-12
node 5.070391670572361E-15 -1.078722257438907E-14 -2.918473887902074E-11 5.703763840071759E-10 -5.474778354724046E-10 1.19993010255351E-11
peri 1.291949126223961E-13 -3.039360245567883E-13 2.886179049581499E-9 -5.474778354724046E-10 1.047343954472073E-9 -1.236442928884144E-11
i 4.558637647047783E-15 -6.876455262829321E-15 -4.084256597733256E-12 1.19993010255351E-11 -1.236442928884144E-11 3.993414230735078E-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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