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JPL Small-Body Database Browser
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46722 Ireneadler (1997 RA1)
Classification: Main-belt Asteroid          SPK-ID: 2046722
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02869617536950973 5.4596e-08  
a 3.062615536785162 2.0821e-08 au
q 2.97473018425219 1.7188e-07 au
i 8.832534851964329 6.62e-06 deg
node 354.9965429203715 2.7851e-05 deg
peri 28.61960537270198 9.5197e-05 deg
M 349.6552204307871 8.9551e-05 deg
tp 2458656.754321274484
(2019-Jun-22.25432127)
0.00048694 TDB
period 1957.659467107907
5.36
1.9963e-05
5.466e-08
d
yr
n .1838930651876017 1.8753e-09 deg/d
Q 3.150500889318134 2.1418e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1099  
   data-arc span      8094 days (22.16 yr)  
   first obs. used      1997-09-02  
   last obs. used      2019-10-31  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51768  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 06:28:36  

Additional Information
 Earth MOID = 1.97719 au 
 Jupiter MOID = 1.98382 au 
 T_jup = 3.215 
[ 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 13.7   n/a MPO284487  
diameter diameter 5.889 km 0.395 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.185   0.034 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

46722 Ireneadler           Discovered 1997 Sept 2 by P. Pravec and L. Šarounová at Ondřejov.
Irene Adler is the heroine of the Sherlock Holmes story A Scandal in Bohemia. She outwitted the great detective, who subsequently called her "The" woman and kept a picture of her over his fireplace. Her great intellect and charm made her the only woman to captivate Holmes.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20090607/MPCPages.arcLast Updated: 2009-06-08
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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