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78385 (2002 PD142)
Classification: Main-belt Asteroid          SPK-ID: 2078385
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08676581370791256 6.8708e-08  
a 3.12928531048186 3.0601e-08 au
q 2.857770324193683 2.0688e-07 au
i 23.49311588122849 8.0975e-06 deg
node 309.4440279571528 1.174e-05 deg
peri 48.87189762934522 5.3066e-05 deg
M 37.02808579710185 4.627e-05 deg
tp 2458792.532759305723
(2019-Nov-05.03275931)
0.00026109 TDB
period 2021.930246683167
5.54
2.9659e-05
8.12e-08
d
yr
n .178047685171412 2.6117e-09 deg/d
Q 3.400800296770036 3.3256e-08 au
  Orbit Determination Parameters
   # obs. used (total)      658  
   data-arc span      9798 days (26.83 yr)  
   first obs. used      1994-01-12  
   last obs. used      2020-11-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52319  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 04:12:41  

Additional Information
 Earth MOID = 1.88916 au 
 Jupiter MOID = 2.01599 au 
 T_jup = 3.080 
[ 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 14.2   n/a MPO493423  
diameter diameter 9.132 km 0.243 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.009 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

78385 (2002 PD142)          Discovered 2002-Aug-14 by LINEAR at Socorro
Reference: 20040415/Numbers.arcLast Updated: 2004-04-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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