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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02908095147962828 4.8438e-08  
a 3.063722733324132 1.9186e-08 au
q 2.974626761169299 1.4939e-07 au
i 8.831289507168082 5.4185e-06 deg
node 354.9836415806399 2.72e-05 deg
peri 28.69022876671816 8.8512e-05 deg
M 63.11771163516168 8.1627e-05 deg
tp 2458657.083340271226
(2019-Jun-22.58334027)
0.00044493 TDB
period 1958.721162404859
5.36
1.8399e-05
5.037e-08
d
yr
n .1837933887220592 1.7265e-09 deg/d
Q 3.152818705478965 1.9744e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1258  
   data-arc span      8187 days (22.41 yr)  
   first obs. used      1997-09-02  
   last obs. used      2020-02-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .49366  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 08:33:28  

Additional Information
 Earth MOID = 1.978 au 
 Jupiter MOID = 1.98229 au 
 T_jup = 3.214 
[ 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 13.8   n/a MPO502467  
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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