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78280 (2002 PG39)
Classification: Main-belt Asteroid          SPK-ID: 2078280
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 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1769220903091128 3.845e-08  
a 2.474263585085504 1.0071e-08 au
q 2.036511699636457 9.5865e-08 au
i 1.144531010001341 5.4844e-06 deg
node 149.2310872086603 0.00017645 deg
peri 255.8975260000799 0.0001772 deg
M 130.7441879354008 1.5568e-05 deg
tp 2458484.217667754623
(2018-Dec-31.71766775)
6.0735e-05 TDB
period 1421.567126946918
3.89
8.6791e-06
2.376e-08
d
yr
n .2532416466137393 1.5461e-09 deg/d
Q 2.912015470534551 1.1853e-08 au
  Orbit Determination Parameters
   # obs. used (total)      708  
   data-arc span      10365 days (28.38 yr)  
   first obs. used      1991-12-07  
   last obs. used      2020-04-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60084  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 14:31:54  

Additional Information
 Earth MOID = 1.04615 au 
 Jupiter MOID = 2.47778 au 
 T_jup = 3.460 
[ 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 16.3   n/a MPO412653  

78280 (2002 PG39)          Discovered 2002-Aug-07 by NEAT at Palomar
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19

Alternate Designations
 2002 PG39 = 2000 AF111 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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