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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 35 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0171985591360623 3.8898e-08  
a 2.732552774473576 1.6361e-08 au
q 2.685556803989381 1.0638e-07 au
i 11.27074223229811 4.8762e-06 deg
node 345.7568252643958 1.6706e-05 deg
peri 130.9085626145364 0.0001309 deg
M 275.8188150339582 0.00013148 deg
tp 2459782.301399180919
(2022-Jul-21.80139918)
0.00060386 TDB
period 1649.875845311011
4.52
1.4817e-05
4.057e-08
d
yr
n .2181982365661811 1.9596e-09 deg/d
Q 2.779548744957771 1.6642e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1393  
   data-arc span      8135 days (22.27 yr)  
   first obs. used      1998-10-12  
   last obs. used      2021-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47951  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-08 23:05:45  

Additional Information
 Earth MOID = 1.70723 au 
 Jupiter MOID = 2.21462 au 
 T_jup = 3.325 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.36   n/a E2020-QM9  
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

Alternate Designations
 2002 PQ82 = 2000 AF230 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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