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32730 Lamarr (1951 RX)
Classification: Main-belt Asteroid          SPK-ID: 2032730
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2096617353145969 5.5425e-08  
a 2.212679307195072 7.0422e-09 au
q 1.748765123953853 1.2293e-07 au
i 5.747490569187907 4.392e-06 deg
node 338.4378711210121 3.9595e-05 deg
peri 39.0646565815823 4.0359e-05 deg
M 175.2863632699035 8.2389e-06 deg
tp 2458015.141716727235
(2017-Sep-18.64171673)
2.7099e-05 TDB
period 1202.198380108543
3.29
5.7393e-06
1.571e-08
d
yr
n .2994514099806862 1.4296e-09 deg/d
Q 2.67659349043629 8.5187e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1633  
   data-arc span      24721 days (67.68 yr)  
   first obs. used      1951-09-04  
   last obs. used      2019-05-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 03:44:47  

Additional Information
 Earth MOID = .753477 au 
 Jupiter MOID = 2.8014 au 
 T_jup = 3.620 
[ 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 14.5   n/a MPO337529  
diameter diameter 3.064 km 0.695 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.327   0.166 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

32730 Lamarr           Discovered 1951 Sept. 4 by K. Reinmuth at Heidelberg.
Hedy Lamarr (1914-2000) was a Austrian-American inventor and actress. Along with George Antheil, she developed technology for a radio guidance system to assist the Allied war effort in WWII. These technologies are used in current Bluetooth systems.
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 2019-08-27Last Updated: 2019-09-23

Alternate Designations
 1951 RX = 1961 VS = 1997 TF1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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