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393567 (2003 JL8)
Classification: Main-belt Asteroid          SPK-ID: 2393567
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2247843925636589 5.9853e-08  
a 2.392448161915329 2.9531e-08 au
q 1.85466315509915 1.4145e-07 au
i 5.96456242452261 7.0251e-06 deg
node 142.159745513439 0.00011898 deg
peri 146.1537953027947 0.00012223 deg
M 175.0406416625143 3.5688e-05 deg
tp 2458343.298376544376
(2018-Aug-12.79837654)
0.0001274 TDB
period 1351.643722263
3.70
2.5026e-05
6.852e-08
d
yr
n .2663423756352505 4.9313e-09 deg/d
Q 2.93023316873151 3.6169e-08 au
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      2003-04-27  
   last obs. used      2018-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:16:06  

Additional Information
 Earth MOID = .841962 au 
 Jupiter MOID = 2.26796 au 
 T_jup = 3.489 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456899.5 (2014-Aug-30.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2251459858329736 5.954e-08  
q 1.853257252408655 1.406e-07 au
tp 2456992.873539097363
(2014-Dec-01.37353910)
0.00011679 TDB
node 142.2045707215742 0.00011896 deg
peri 146.2592676940193 0.00012221 deg
i 5.965727020643431 7.0294e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      95  
   data-arc span      5557 days (15.21 yr)  
   first obs. used      2003-04-27  
   last obs. used      2018-07-14  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .72345  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:16:06  

Additional Information
 Jupiter MOID = 2.26796 au 
 T_jup = 3.489 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.544984498722023E-15 -8.263399841538172E-15 -1.30575403562224E-12 -1.257825223507349E-14 -4.728791940577606E-13 4.630450494631978E-15
q -8.263399841538172E-15 1.976741509368553E-14 4.003482318971117E-12 4.078086114902522E-14 1.315111143379607E-12 -1.092471144604004E-14
tp -1.30575403562224E-12 4.003482318971117E-12 1.363909516748207E-8 5.544386104401719E-11 3.506726570880737E-9 -1.088425660716963E-11
node -1.257825223507349E-14 4.078086114902522E-14 5.544386104401719E-11 1.415111520394785E-8 -1.40585516836478E-8 3.711592890461669E-10
peri -4.728791940577606E-13 1.315111143379607E-12 3.506726570880737E-9 -1.40585516836478E-8 1.493532914689003E-8 -3.721550134101944E-10
i 4.630450494631978E-15 -1.092471144604004E-14 -1.088425660716963E-11 3.711592890461669E-10 -3.721550134101944E-10 4.941215389723206E-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 17.1   n/a MPO455791  

393567 (2003 JL8)          Discovered 2003-May-02 by LINEAR at Socorro
Reference: Last Updated: 2014-05-15

[ show close-approach data ]
Alternate Designations
 2003 JL8 = 2010 CJ156 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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