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469452 (2002 PE74)
Classification: Main-belt Asteroid          SPK-ID: 2469452
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .234506055658027 1.3639e-07  
a 2.787080226357819 2.4287e-08 au
q 2.133493035672166 3.8547e-07 au
i 8.68226053521877 7.3417e-06 deg
node 258.0875298456078 9.9265e-05 deg
peri 92.50112723498019 0.00010169 deg
M 280.5574916259075 1.9284e-05 deg
tp 2459375.536105077556
(2021-Jun-10.03610508)
9.3386e-05 TDB
period 1699.505725475683
4.65
2.2214e-05
6.082e-08
d
yr
n .2118262943181541 2.7688e-09 deg/d
Q 3.440667417043472 2.9982e-08 au
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6079 days (16.64 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65286  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:18:06  

Additional Information
 Earth MOID = 1.14925 au 
 Jupiter MOID = 2.12253 au 
 T_jup = 3.274 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457114.5 (2015-Apr-02.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2340681428211594 1.3626e-07  
q 2.134249405270721 3.8437e-07 au
tp 2457678.081628109028
(2016-Oct-16.58162811)
8.58e-05 TDB
node 258.0896237843906 9.9263e-05 deg
peri 92.84268368519172 0.00010173 deg
i 8.68220372421051 7.3415e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      111  
   data-arc span      6079 days (16.64 yr)  
   first obs. used      2002-08-12  
   last obs. used      2019-04-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65286  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 05:18:06  

Additional Information
 Jupiter MOID = 2.12253 au 
 T_jup = 3.274 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.856573374479344E-14 -5.231428053008307E-14 -2.030835472256595E-12 6.02796663086719E-13 -6.989714855617169E-13 -1.067811841395394E-13
q -5.231428053008307E-14 1.47738131362938E-13 6.036263438706682E-12 -1.699389960096536E-12 2.010655013256554E-12 3.029467352643707E-13
tp -2.030835472256595E-12 6.036263438706682E-12 7.361608112988148E-9 -1.43459067045331E-10 2.23279658470996E-9 2.252550453960925E-11
node 6.02796663086719E-13 -1.699389960096536E-12 -1.43459067045331E-10 9.853168407407109E-9 -9.770781581400268E-9 7.467782412216783E-11
peri -6.989714855617169E-13 2.010655013256554E-12 2.23279658470996E-9 -9.770781581400268E-9 1.034851765448179E-8 -7.035021930092666E-11
i -1.067811841395394E-13 3.029467352643707E-13 2.252550453960925E-11 7.467782412216783E-11 -7.035021930092666E-11 5.389707202061862E-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 16.8   n/a MPO397652  

469452 (2002 PE74)          Discovered 2002-Aug-12 by LINEAR at Socorro
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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