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344454 (2002 LL42)
Classification: Main-belt Asteroid          SPK-ID: 2344454
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2178245978797158 5.1919e-08  
a 2.657031306575758 1.9126e-08 au
q 2.078264530667077 1.3879e-07 au
i 13.35951834019282 6.207e-06 deg
node 233.3430763325043 2.1702e-05 deg
peri 31.75097931893604 2.975e-05 deg
M 94.10544560262063 1.7319e-05 deg
tp 2458786.971268814413
(2019-Oct-30.47126881)
7.3682e-05 TDB
period 1581.952481851546
4.33
1.7081e-05
4.677e-08
d
yr
n .2275668859399932 2.4571e-09 deg/d
Q 3.235798082484438 2.3292e-08 au
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6728 days (18.42 yr)  
   first obs. used      2002-06-10  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:32:24  

Additional Information
 Earth MOID = 1.07349 au 
 Jupiter MOID = 1.86355 au 
 T_jup = 3.315 
[ hide covariance matrix ]
Orbital Elements at Epoch 2458008.5 (2017-Sep-12.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2174634563961793 5.1873e-08  
q 2.0799828760412 1.3851e-07 au
tp 2458787.712732386404
(2019-Oct-31.21273239)
7.3993e-05 TDB
node 233.3606640976529 2.1687e-05 deg
peri 31.8962223670138 2.9789e-05 deg
i 13.36230774909115 6.2086e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      232  
   data-arc span      6728 days (18.42 yr)  
   first obs. used      2002-06-10  
   last obs. used      2020-11-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 08:32:24  

Additional Information
 Jupiter MOID = 1.86355 au 
 T_jup = 3.315 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.690794479300118E-15 -7.143202330914796E-15 -1.621324907524446E-12 6.724105680232242E-14 -5.963945428116597E-13 -4.82470283373573E-15
q -7.143202330914796E-15 1.918556999943392E-14 4.866206321447555E-12 -1.890519811987361E-13 1.697920602617718E-12 1.377715503845705E-14
tp -1.621324907524446E-12 4.866206321447555E-12 5.474973974929329E-9 -8.972667647984351E-11 1.506385045020445E-9 -4.030614758591966E-12
node 6.724105680232242E-14 -1.890519811987361E-13 -8.972667647984351E-11 4.703156606366773E-10 -4.818106658411534E-10 -3.032554914741034E-11
peri -5.963945428116597E-13 1.697920602617718E-12 1.506385045020445E-9 -4.818106658411534E-10 8.873853960320501E-10 2.858288424609516E-11
i -4.82470283373573E-15 1.377715503845705E-14 -4.030614758591966E-12 -3.032554914741034E-11 2.858288424609516E-11 3.854662907135831E-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 16.5   n/a MPO534585  

344454 (2002 LL42)          Discovered 2002-Jun-10 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2002 LL42 = 2012 TF300 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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