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52572 (1997 LL)
Classification: Main-belt Asteroid          SPK-ID: 2052572
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2221550430528611 7.5116e-08  
a 2.488395982842815 1.939e-08 au
q 1.935586266141803 1.8711e-07 au
i 7.553749723598912 8.6435e-06 deg
node 170.4181831512319 4.5931e-05 deg
peri 170.8432672325352 4.8739e-05 deg
M 232.8742650764319 2.1436e-05 deg
tp 2459506.800830855298
(2021-Oct-19.30083086)
8.7414e-05 TDB
period 1433.763975622188
3.93
1.6758e-05
4.588e-08
d
yr
n .2510873519777037 2.9347e-09 deg/d
Q 3.041205699543827 2.3697e-08 au
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:30:58  

Additional Information
 Earth MOID = .92795 au 
 Jupiter MOID = 2.37597 au 
 T_jup = 3.428 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456677.5 (2014-Jan-20.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2214457476215771 7.5156e-08  
q 1.937741825868021 1.8722e-07 au
tp 2456634.293047345366
(2013-Dec-07.79304735)
8.1141e-05 TDB
node 170.4830918434426 4.6035e-05 deg
peri 170.1042101150641 4.8835e-05 deg
i 7.541434017802118 8.6373e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      386  
   data-arc span      8275 days (22.66 yr)  
   first obs. used      1997-06-03  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57322  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 10:30:58  

Additional Information
 Jupiter MOID = 2.37597 au 
 T_jup = 3.428 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.648435143623781E-15 -1.402539735575774E-14 -9.085602725784647E-13 2.513757384226089E-14 -1.520364842121921E-13 5.477648286072596E-15
q -1.402539735575774E-14 3.505161621279951E-14 2.288466530627157E-12 -6.299861778460963E-14 3.760843019396072E-13 -1.403392231639039E-14
tp -9.085602725784647E-13 2.288466530627157E-12 6.583871922382123E-9 -6.362155498047124E-12 1.353074264398854E-9 -1.729318469241036E-12
node 2.513757384226089E-14 -6.299861778460963E-14 -6.362155498047124E-12 2.119244240541553E-9 -2.101053923347992E-9 -3.186057532750476E-11
peri -1.520364842121921E-13 3.760843019396072E-13 1.353074264398854E-9 -2.101053923347992E-9 2.384871700958568E-9 3.12771947443062E-11
i 5.477648286072596E-15 -1.403392231639039E-14 -1.729318469241036E-12 -3.186057532750476E-11 3.12771947443062E-11 7.460232665486049E-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 15.5   n/a MPO432083  

52572 (1997 LL)          Discovered 1997-Jun-03 by BAO Schmidt CCD Asteroid Program at Xinglong
Reference: 20030216/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 1997 LL = 2000 DM46 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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