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39557 Gielgud (1992 JG)
Classification: Mars-crossing Asteroid          SPK-ID: 2039557
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 61 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .4246223045583089 4.0611e-08  
a 2.265302921287216 5.4431e-09 au
q 1.303404774327569 9.1569e-08 au
i 5.550859834487068 3.7996e-06 deg
node 58.5277570913531 5.0362e-05 deg
peri 239.8994269635324 5.0697e-05 deg
M 50.15326243963656 3.8651e-06 deg
tp 2458827.005967041194
(2019-Dec-09.50596704)
1.3222e-05 TDB
period 1245.339761104139
3.41
4.4885e-06
1.229e-08
d
yr
n .2890777370513073 1.0419e-09 deg/d
Q 3.227201068246864 7.7544e-09 au
  Orbit Determination Parameters
   # obs. used (total)      402  
   data-arc span      9858 days (26.99 yr)  
   first obs. used      1992-05-02  
   last obs. used      2019-04-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57778  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 02:07:19  

Additional Information
 Earth MOID = .302717 au 
 Jupiter MOID = 2.04314 au 
 T_jup = 3.486 
[ 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 16.9   n/a MPO431946  

39557 Gielgud           Discovered 1992 May 2 by Spacewatch at Kitt Peak.
Renowned for his portrayal of Hamlet in 1936, British actor John Gielgud (1904-2000) later played all the major Shakespearean roles. Also known for his more popular performances, he won an Emmy, a Grammy, an Oscar and a Tony, these last two awards for Best Supporting Actor in Arthur (1981) and for directing Hamlet (1961).
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20061109/MPCPages.arcLast Updated: 2006-11-13

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