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78325 (2002 PS81)
Classification: Main-belt Asteroid          SPK-ID: 2078325
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1823809529917071 4.948e-08  
a 2.723019920009881 9.7865e-09 au
q 2.226392951983077 1.3609e-07 au
i 8.244858501117365 5.0774e-06 deg
node 314.8310303575473 2.3258e-05 deg
peri 29.75725026531135 2.5707e-05 deg
M 333.7036246735945 8.5496e-06 deg
tp 2459120.385882204313
(2020-Sep-27.88588220)
3.8926e-05 TDB
period 1641.249680149446
4.49
8.848e-06
2.422e-08
d
yr
n .2193450541706852 1.1825e-09 deg/d
Q 3.219646888036685 1.1571e-08 au
  Orbit Determination Parameters
   # obs. used (total)      841  
   data-arc span      8023 days (21.97 yr)  
   first obs. used      1998-11-14  
   last obs. used      2020-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .46817  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 21:27:17  

Additional Information
 Earth MOID = 1.22251 au 
 Jupiter MOID = 2.19714 au 
 T_jup = 3.319 
[ 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 15.1   n/a MPO474674  

78325 (2002 PS81)          Discovered 2002-Aug-09 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PS81 = 2000 CC134 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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