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523609 (2005 PJ2)
Classification: Apollo [NEO, PHA]          SPK-ID: 2523609
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 33 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .6595875706666041 2.0878e-07  
a 1.198033852930075 8.9997e-09 au
q .4078256142995751 2.4807e-07 au
i 17.42220852386917 2.1963e-05 deg
node 326.4642836746709 1.3282e-05 deg
peri 128.8621239622985 2.5843e-05 deg
M 47.03228598392009 4.0267e-05 deg
tp 2458937.925750537154
(2020-Mar-29.42575054)
5.289e-05 TDB
period 478.9631066269299
1.31
5.397e-06
1.478e-08
d
yr
n .7516236533023999 8.4694e-09 deg/d
Q 1.988242091560575 1.4936e-08 au
  Orbit Determination Parameters
   # obs. used (total)      168  
   data-arc span      4760 days (13.03 yr)  
   first obs. used      2005-07-27  
   last obs. used      2018-08-08  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .40462  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 12:52:00  

Additional Information
 Earth MOID = .0443493 au 
 Jupiter MOID = 3.28868 au 
 T_jup = 5.031 
[ 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 19.4   n/a E2018N44  
rotation period rot_per 1.42 h n/a LCDB (Rev. 2019-August); Warner et al., 2009 Result based on fragmentary lightcurve(s), may be completely wrong.
Published Reference List:
[Higley, S.; Hardersen, P.; Dyvig, R. (2008) Minor Planet Bull. 35, 175-177.]

523609 (2005 PJ2)          Discovered 2005-Aug-04 by NEAT at Palomar
Reference: Last Updated: 2018-10-01

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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