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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 135 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .5463325111816438 1.2942e-08  
a 1.468926254544339 1.02e-08 au
q .6664040851584838 1.9732e-08 au
i 1.668204405033522 3.6416e-06 deg
node 328.9002807943733 3.7787e-05 deg
peri 259.9851063025088 3.8045e-05 deg
M 141.1936014288755 1.3986e-06 deg
tp 2458945.458454307980
(2020-Apr-05.95845431)
2.6868e-07 TDB
period 650.2770346528614
1.78
6.7729e-06
1.854e-08
d
yr
n .5536102012155165 5.7661e-09 deg/d
Q 2.271448423930194 1.5772e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1128  
   # delay obs. used      2  
   # Doppler obs. used      2  
   data-arc span      9133 days (25.00 yr)  
   first obs. used      1995-10-23  
   last obs. used      2020-10-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .32055  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 20:14:18  

Additional Information
 Earth MOID = .00271461 au 
 Jupiter MOID = 2.72622 au 
 T_jup = 4.432 
[ show covariance matrix ]

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 18.96   n/a E2021B55  
rotation period rot_per 148.7 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Pravec, P.; Wolf, M.; Sarounova, L. (2020) http://www.asu.cas.cz/~ppravec/neo.htm]

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

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