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JPL Small-Body Database Browser
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11463 Petrpokorny (1981 EN24)
Classification: Main-belt Asteroid          SPK-ID: 2011463
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1133413812027637 2.9446e-08  
a 2.252476468419857 7.031e-09 au
q 1.997177674362427 6.551e-08 au
i 1.784321857066404 3.429e-06 deg
node 254.4963863724768 0.00014933 deg
peri 198.1312140876651 0.00015095 deg
M 173.447648789579 2.222e-05 deg
tp 2458005.585249551860
(2017-Sep-09.08524955)
7.5639e-05 TDB
period 1234.777822910436
3.38
5.7814e-06
1.583e-08
d
yr
n .2915504257692781 1.3651e-09 deg/d
Q 2.507775262477287 7.8279e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1336  
   data-arc span      13629 days (37.31 yr)  
   first obs. used      1981-02-12  
   last obs. used      2018-06-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-12 19:12:18  

Additional Information
 Earth MOID = 1.01398 au 
 Jupiter MOID = 2.6388 au 
 T_jup = 3.617 
[ 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 15.1   n/a MPO324415  
rotation period rot_per 5.319 h n/a LCDB (Rev. 2019-January); 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:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]

11463 Petrpokorny           Discovered 1981 Mar. 2 by S. J. Bus at Siding Spring.
Petr Pokorny (b. 1986) is a Czech astrophysicist specializing in numerical models of the solar system dust complex and observational interpretation of meteor radar measurements.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2017-03-12Last Updated: 2017-04-19

[ show close-approach data ]
Alternate Designations
 1981 EN24 = 1991 CD3 = 1998 FA66 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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