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78245 (2002 PE3)
Classification: Outer Main-belt Asteroid          SPK-ID: 2078245
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1123086140378165 6.9437e-08  
a 3.218543528205668 2.3183e-08 au
q 2.857073365332505 2.262e-07 au
i 13.42015397569104 6.6349e-06 deg
node 210.055805913824 1.776e-05 deg
peri 188.2805819275203 2.6353e-05 deg
M 329.0663305153359 1.8519e-05 deg
tp 2459181.724306928600
(2020-Nov-28.22430693)
0.00010837 TDB
period 2109.053066809292
5.77
2.2787e-05
6.239e-08
d
yr
n .1706927178198653 1.8442e-09 deg/d
Q 3.58001369107883 2.5787e-08 au
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1995-07-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:18  

Additional Information
 Earth MOID = 1.86483 au 
 Jupiter MOID = 1.85216 au 
 T_jup = 3.137 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457504.5 (2016-Apr-26.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127612176964027 6.9103e-08  
q 2.856636397782917 2.2417e-07 au
tp 2457045.169269453597
(2015-Jan-22.66926945)
0.00010999 TDB
node 210.2097096166179 1.7719e-05 deg
peri 184.4263225645808 2.635e-05 deg
i 13.42811049964669 6.645e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      657  
   data-arc span      9268 days (25.37 yr)  
   first obs. used      1995-07-02  
   last obs. used      2020-11-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56232  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-17 22:06:18  

Additional Information
 Jupiter MOID = 1.85216 au 
 T_jup = 3.137 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.77517103383654E-15 -1.542882423436938E-14 -3.186459630153831E-13 -3.204745414565346E-14 1.440980846426205E-13 -2.035832864666908E-15
q -1.542882423436938E-14 5.025385333561721E-14 6.277350871053441E-13 1.018523999773782E-13 -5.171872696014156E-13 9.012537106532933E-15
tp -3.186459630153831E-13 6.277350871053441E-13 1.209883083558351E-8 8.943864799833978E-12 2.131424982353773E-9 1.041756764071813E-11
node -3.204745414565346E-14 1.018523999773782E-13 8.943864799833978E-12 3.139455447550952E-10 -3.050601663889077E-10 -2.043520870383444E-13
peri 1.440980846426205E-13 -5.171872696014156E-13 2.131424982353773E-9 -3.050601663889077E-10 6.94303742307332E-10 2.07093569212063E-12
i -2.035832864666908E-15 9.012537106532933E-15 1.041756764071813E-11 -2.043520870383444E-13 2.07093569212063E-12 4.415624357815575E-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 14.6   n/a MPO449492  
diameter diameter 6.100 km 0.512 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.075   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78245 (2002 PE3)          Discovered 2002-Aug-03 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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