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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1138957899568807 2.9499e-08  
a 2.251124623669402 6.9299e-09 au
q 1.99473100636519 6.5676e-08 au
i 1.78443361606083 3.4283e-06 deg
node 254.4938974079776 0.00014938 deg
peri 198.3595122696498 0.00015098 deg
M 289.8970461127394 2.2211e-05 deg
tp 2459240.732384365068
(2021-Jan-26.23238437)
7.6409e-05 TDB
period 1233.666394578855
3.38
5.6966e-06
1.56e-08
d
yr
n .2918130878671585 1.3475e-09 deg/d
Q 2.507518240973615 7.7192e-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 = 1.0115 au 
 Jupiter MOID = 2.63733 au 
 T_jup = 3.618 
[ 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-August); 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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1996-Jul-05 20:06 < 00:01 Juno 0.0291832743574141 0.0291824787946308 0.0291840699529158 5.22338750857328 5.22338742876283 2450270.337428394 0.327976063959918 80.003371949223 28.2816618621618 -68.201340445396 144667.784615232 T 26 CATAB v2.0e-lin.ifort 2019-Jul-12 19:12:23 2019-Jul-12 19:12

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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