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442255 (2011 PL3)
Classification: Main-belt Asteroid          SPK-ID: 2442255
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04758914978999274 6.0271e-08  
a 2.745110605117072 3.2755e-08 au
q 2.614473125340059 1.7899e-07 au
i 15.56077343125776 6.849e-06 deg
node 115.1219989226986 2.7775e-05 deg
peri 163.5216300651338 9.9631e-05 deg
M 16.92887078628586 9.3737e-05 deg
tp 2458922.379738633254
(2020-Mar-13.87973863)
0.00043238 TDB
period 1661.262257067453
4.55
2.9734e-05
8.141e-08
d
yr
n .2167026900589981 3.8786e-09 deg/d
Q 2.875748084894086 3.4314e-08 au
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6980 days (19.11 yr)  
   first obs. used      2001-03-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:38  

Additional Information
 Earth MOID = 1.60053 au 
 Jupiter MOID = 2.30072 au 
 T_jup = 3.293 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457341.5 (2015-Nov-15.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04619800145809833 6.0559e-08  
q 2.616783045004891 1.7895e-07 au
tp 2457268.529653017306
(2015-Sep-03.02965302)
0.00044235 TDB
node 115.1569616374556 2.7804e-05 deg
peri 164.8454264783264 0.0001023 deg
i 15.55392796240284 6.8454e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      145  
   data-arc span      6980 days (19.11 yr)  
   first obs. used      2001-03-19  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53662  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:53:38  

Additional Information
 Jupiter MOID = 2.30072 au 
 T_jup = 3.293 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.667369263804098E-15 -1.06961473151635E-14 2.358679986996237E-12 -4.840317739105258E-17 5.410835971983908E-13 -4.477527030324379E-15
q -1.06961473151635E-14 3.202215614779865E-14 -5.725201645196761E-12 1.582495286887732E-15 -1.332412640269704E-12 1.621788083982876E-14
tp 2.358679986996237E-12 -5.725201645196761E-12 1.956777877131412E-7 1.047648404184113E-10 4.361991319994629E-8 1.558181113923774E-11
node -4.840317739105258E-17 1.582495286887732E-15 1.047648404184113E-10 7.73088377192139E-10 -7.207038311066064E-10 2.372268974411112E-11
peri 5.410835971983908E-13 -1.332412640269704E-12 4.361991319994629E-8 -7.207038311066064E-10 1.046605360406829E-8 -1.948923206304622E-11
i -4.477527030324379E-15 1.621788083982876E-14 1.558181113923774E-11 2.372268974411112E-11 -1.948923206304622E-11 4.686015174612823E-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 16.1   n/a MPO434642  

442255 (2011 PL3)          Discovered 2008-Dec-04 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 PL3 = 2015 MG67 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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