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5107 Laurenbacall (1987 DS6)
Classification: Main-belt Asteroid          SPK-ID: 2005107
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0831813629293677 4.5489e-08  
a 3.130612407084417 2.6038e-08 au
q 2.870203800259546 1.3603e-07 au
i 9.059909204195772 7.6654e-06 deg
node 178.6556476209199 3.0345e-05 deg
peri 272.0506353071108 5.7098e-05 deg
M 171.8717677428277 4.8815e-05 deg
tp 2456634.572739277469
(2013-Dec-08.07273928)
0.0002721 JED
period 2023.216601695901
5.54
2.5241e-05
6.911e-08
d
yr
n .1779344829902249 2.2199e-09 deg/d
Q 3.391021013909286 2.8204e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1354  
   data-arc span      11116 days (30.43 yr)  
   first obs. used      1985-11-10  
   last obs. used      2016-04-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .50129  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 12:50:47  

Additional Information
 Earth MOID = 1.90374 au 
 Jupiter MOID = 1.81213 au 
 T_jup = 3.189 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 12.1 mag n/a MPO344341  
rotation period rot_per 4.9459 h n/a LCDB (Rev. 2016-February); Warner et al., 2009 Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2016) Astron. J. 150, A75.]

5107 Laurenbacall           Discovered 1987 Feb. 24 by H. Debehogne at the European Southern Observatory.
Lauren Bacall (1924-2014) was an American actress known for her distinctive husky voice and sultry looks. Her breakthrough role came in "To Have and Have Not" (1944) opposite Humphrey Bogart, whom she would later marry. She was nominated for or won Tony, Golden Globe and Academy awards.
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 2014-10-08Last Updated: 2015-01-12

[ show close-approach data ]
Alternate Designations
 1987 DS6 = 1976 GE1 = 1985 VY2 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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