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JPL Small-Body Database Browser
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434453 Ayerdhal (2005 PE17)
Classification: Main-belt Asteroid          SPK-ID: 2434453
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07700866183458853 6.7205e-08  
a 3.068684158607561 4.919e-08 au
q 2.832368897960193 2.1355e-07 au
i 11.71119083982 5.8231e-06 deg
node 143.2161328907839 3.1871e-05 deg
peri 199.6419857397293 5.3038e-05 deg
M 252.8638257489468 4.3231e-05 deg
tp 2459584.832910592086
(2022-Jan-05.33291059)
0.00023952 TDB
period 1963.481049082568
5.38
4.7211e-05
1.293e-07
d
yr
n .1833478352990517 4.4085e-09 deg/d
Q 3.30499941925493 5.2978e-08 au
  Orbit Determination Parameters
   # obs. used (total)      162  
   data-arc span      5842 days (15.99 yr)  
   first obs. used      2004-04-28  
   last obs. used      2020-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56304  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-22 03:25:43  

Additional Information
 Earth MOID = 1.82598 au 
 Jupiter MOID = 2.06506 au 
 T_jup = 3.195 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO434584  

434453 Ayerdhal           Discovered 2005 Aug. 9 by B. Christophe at Saint-Sulpice.
Yal Ayerdhal (1959-2015) was a French novelist specializing in politically engaged science fiction. He authored over 20 novels and won several prestigious literary prizes. He was instrumental and inspirational raising modern French science fiction to its present literary level and was a champion of the rights of writers.
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 2016-04-22Last Updated: 2016-04-25

Alternate Designations
 2005 PE17 = 2008 DM41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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