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163373 (2002 PZ39)
Classification: Apollo [NEO, PHA]          SPK-ID: 2163373
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5463568924521727 1.5645e-08  
a 1.469075811706944 1.2932e-08 au
q .6664361164460848 2.4252e-08 au
i 1.668192161191003 4.6781e-06 deg
node 328.9010265120049 4.5742e-05 deg
peri 259.9939893548656 4.6222e-05 deg
M 30.45948160420862 3.191e-07 deg
tp 2458945.471871083198
(2020-Apr-05.97187108)
3.081e-07 TDB
period 650.3763480765026
1.78
8.5875e-06
2.351e-08
d
yr
n .5535256641246337 7.3087e-09 deg/d
Q 2.271715506967803 1.9997e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1064  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .29589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-03 09:43:34  

Additional Information
 Earth MOID = .00272421 au 
 Jupiter MOID = 2.72709 au 
 T_jup = 4.432 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457330.5 (2015-Nov-04.0) TDB
Reference: JPL 122 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5466689593710039 1.6127e-08  
q .6662726373390364 2.4025e-08 au
tp 2457646.305181216992
(2016-Sep-14.80518122)
1.7198e-05 TDB
node 329.5279768811668 4.1616e-05 deg
peri 259.4660825594052 4.2133e-05 deg
i 1.661718545096329 4.5019e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1064  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      9019 days (24.69 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-07-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .29589  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jul-03 09:43:34  

Additional Information
 Jupiter MOID = 2.72709 au 
 T_jup = 4.432 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.600913217478693E-16 -3.867935598461566E-16 1.01681222235122E-13 -6.162079600639837E-14 1.065170295885787E-13 6.784687529749712E-15
q -3.867935598461566E-16 5.772230839471815E-16 -1.296991814394226E-13 7.165861274220616E-14 -1.380074764609888E-13 -4.548890780108084E-15
tp 1.01681222235122E-13 -1.296991814394226E-13 2.957804507272709E-10 -3.009988118399638E-10 3.236107901980755E-10 7.260567887404437E-11
node -6.162079600639837E-14 7.165861274220616E-14 -3.009988118399638E-10 1.731926164743239E-9 -1.749604855122978E-9 -1.061751646691784E-10
peri 1.065170295885787E-13 -1.380074764609888E-13 3.236107901980755E-10 -1.749604855122978E-9 1.77520966108812E-9 1.087569505869727E-10
i 6.784687529749712E-15 -4.548890780108084E-15 7.260567887404437E-11 -1.061751646691784E-10 1.087569505869727E-10 2.026747826450389E-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 18.9   n/a MPO251347  

163373 (2002 PZ39)          Discovered 2002-Aug-10 by LINEAR at Socorro
Reference: 20070926/Numbers.arcLast Updated: 2007-09-30

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Alternate Designations
 2002 PZ39 = 1995 UQ53 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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