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JPL Small-Body Database Browser
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201126 (2002 JL54)
Classification: Main-belt Asteroid          SPK-ID: 2201126
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1187691486231818 7.0573e-08  
a 2.532783220954572 1.4752e-08 au
q 2.231966714154717 1.7956e-07 au
i 6.008704349156101 6.014e-06 deg
node 210.5358012756509 4.1473e-05 deg
peri 346.650227474181 4.5238e-05 deg
M 194.5876346131937 1.8314e-05 deg
tp 2459676.989295423566
(2022-Apr-07.48929542)
7.7661e-05 TDB
period 1472.297102958354
4.03
1.2863e-05
3.522e-08
d
yr
n .244515865226275 2.1362e-09 deg/d
Q 2.833599727754427 1.6504e-08 au
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8792 days (24.07 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59444  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:34:11  

Additional Information
 Earth MOID = 1.23036 au 
 Jupiter MOID = 2.12885 au 
 T_jup = 3.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457070.5 (2015-Feb-17.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1180082783214992 7.0723e-08  
q 2.234674695711939 1.7984e-07 au
tp 2456732.488558290448
(2014-Mar-15.98855829)
6.9306e-05 TDB
node 210.5620104623706 4.1458e-05 deg
peri 346.8826131207899 4.5277e-05 deg
i 6.008327033794183 6.0158e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      377  
   data-arc span      8792 days (24.07 yr)  
   first obs. used      1995-10-20  
   last obs. used      2019-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59444  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 14:34:11  

Additional Information
 Jupiter MOID = 2.12885 au 
 T_jup = 3.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.001798908952318E-15 -1.268554670592713E-14 -1.161917378182105E-12 8.244509202740906E-15 -4.655421955044727E-13 9.500082537362555E-15
q -1.268554670592713E-14 3.234377421817945E-14 3.102421039049856E-12 -2.350126696362573E-14 1.226386826392029E-12 -2.381437079258765E-14
tp -1.161917378182105E-12 3.102421039049856E-12 4.803350605628346E-9 -1.141651289016541E-11 1.266284224195426E-9 -4.144723558407039E-12
node 8.244509202740906E-15 -2.350126696362573E-14 -1.141651289016541E-11 1.718769442672134E-9 -1.712260671236008E-9 -8.687870419159494E-11
peri -4.655421955044727E-13 1.226386826392029E-12 1.266284224195426E-9 -1.712260671236008E-9 2.050006651638446E-9 8.513771686700861E-11
i 9.500082537362555E-15 -2.381437079258765E-14 -4.144723558407039E-12 -8.687870419159494E-11 8.513771686700861E-11 3.618929867864898E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.3   n/a MPO433318  

201126 (2002 JL54)          Discovered 2002-May-09 by LINEAR at Socorro
Reference: 20081212/Numbers.arcLast Updated: 2008-12-12
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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