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78326 (2002 PQ82)
Classification: Main-belt Asteroid          SPK-ID: 2078326
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 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0164460325340524 3.8325e-08  
a 2.735284321871806 1.6683e-08 au
q 2.690299746924419 1.0492e-07 au
i 11.2638009284834 4.8851e-06 deg
node 345.7685040516228 1.6937e-05 deg
peri 128.414399975466 0.00013923 deg
M 191.9467651532615 0.00013952 deg
tp 2459771.841178389535
(2022-Jul-11.34117839)
0.00064292 TDB
period 1652.350366676812
4.52
1.5117e-05
4.139e-08
d
yr
n .2178714679768722 1.9932e-09 deg/d
Q 2.780268896819193 1.6957e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:36  

Additional Information
 Earth MOID = 1.71202 au 
 Jupiter MOID = 2.2162 au 
 T_jup = 3.324 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457691.5 (2016-Oct-30.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01692368885033203 3.6516e-08  
q 2.688049397859264 1.0054e-07 au
tp 2458092.113772280310
(2017-Dec-04.61377228)
0.00064285 TDB
node 345.9066703198162 1.695e-05 deg
peri 122.2670934789854 0.00014056 deg
i 11.26069441223462 4.8833e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1356  
   data-arc span      8067 days (22.09 yr)  
   first obs. used      1998-10-12  
   last obs. used      2020-11-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48153  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:36  

Additional Information
 Jupiter MOID = 2.2162 au 
 T_jup = 3.324 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.333387117660234E-15 -3.622491098608579E-15 8.613728997858432E-12 1.187215605067193E-15 1.893116265799632E-12 -1.263237747950178E-15
q -3.622491098608579E-15 1.010797628349643E-14 -1.976707127750305E-11 -2.727790763415965E-15 -4.367273968302761E-12 3.935165687759321E-15
tp 8.613728997858432E-12 -1.976707127750305E-11 4.13256551485961E-7 4.721904500142419E-11 8.970849225712025E-8 -6.567300934239455E-12
node 1.187215605067193E-15 -2.727790763415965E-15 4.721904500142419E-11 2.87306012045864E-10 -2.710570087275716E-10 -8.583156939979895E-12
peri 1.893116265799632E-12 -4.367273968302761E-12 8.970849225712025E-8 -2.710570087275716E-10 1.975786976888287E-8 6.959349092145716E-12
i -1.263237747950178E-15 3.935165687759321E-15 -6.567300934239455E-12 -8.583156939979895E-12 6.959349092145716E-12 2.384652728237664E-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 14.3   n/a MPO436330  
diameter diameter 3.344 km 0.804 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.322   0.190 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78326 (2002 PQ82)          Discovered 2002-Aug-10 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 2002 PQ82 = 2000 AF230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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