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78344 (2002 PA93)
Classification: Main-belt Asteroid          SPK-ID: 2078344
[ 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 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1115150164041599 4.7329e-08  
a 3.140302496812954 3.129e-08 au
q 2.790111612366834 1.4848e-07 au
i 16.25442089203741 5.1977e-06 deg
node 252.2333332049902 2.2212e-05 deg
peri 224.2936215891389 4.1445e-05 deg
M 301.0460125179162 3.3661e-05 deg
tp 2459333.363624419230
(2021-Apr-28.86362442)		 0.00019205 TDB
period 2032.617468450961
5.57		 3.038e-05
8.318e-08		 d
yr
n .1771115350466572 2.6471e-09 deg/d
Q 3.490493381259075 3.4779e-08 au
   Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      8405 days (23.01 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:36  

Additional Information
 Earth MOID = 1.83004 au 
 Jupiter MOID = 1.82412 au 
 T_jup = 3.139 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457126.5 (2015-Apr-14.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1094117572842952 4.8124e-08  
q 2.797177232057404 1.5076e-07 au
tp 2457306.037570545950
(2015-Oct-10.53757055)		 0.00018483 TDB
node 252.3679920554684 2.2248e-05 deg
peri 225.2064012201925 4.186e-05 deg
i 16.23529608747679 5.1925e-06 deg
   Orbit Determination Parameters
   # obs. used (total)      719  
   data-arc span      8405 days (23.01 yr)  
   first obs. used      1997-10-29  
   last obs. used      2020-11-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46742  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:36  

Additional Information
 Jupiter MOID = 1.82412 au 
 T_jup = 3.139 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.315941298261437E-15 -7.131258487468179E-15 2.576459986917398E-12 2.224553899090621E-14 4.861190780012936E-13 -9.023409218994343E-15
q -7.131258487468179E-15 2.272893257311386E-14 -6.90414478186573E-12 -6.476315841931588E-14 -1.320047416963813E-12 3.001572231440096E-14
tp 2.576459986917398E-12 -6.90414478186573E-12 3.416297357653407E-8 2.328092756415846E-11 6.614523015444966E-9 -2.330420556375815E-11
node 2.224553899090621E-14 -6.476315841931588E-14 2.328092756415846E-11 4.949884653294915E-10 -4.699767855702743E-10 -1.365929508721808E-11
peri 4.861190780012936E-13 -1.320047416963813E-12 6.614523015444966E-9 -4.699767855702743E-10 1.752251887510241E-9 8.360142387448144E-12
i -9.023409218994343E-15 3.001572231440096E-14 -2.330420556375815E-11 -1.365929508721808E-11 8.360142387448144E-12 2.696252533256588E-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 14.2   n/a MPO453204  
diameter diameter 9.007 km 0.120 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.072   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78344 (2002 PA93)          Discovered 2002-Aug-14 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

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