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7696 Liebe (1988 JD)
Classification: Main-belt Asteroid          SPK-ID: 2007696
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03069325136589043 3.083e-08  
a 2.724877558002432 1.1144e-08 au
q 2.64124220617339 8.3348e-08 au
i 3.653680824951679 3.5792e-06 deg
node 115.0721535577276 6.7671e-05 deg
peri 343.8360562388854 0.00010206 deg
M 170.32324871683 7.6158e-05 deg
tp 2458223.196995460690
(2018-Apr-14.69699546)
0.00034673 TDB
period 1642.929451747248
4.50
1.0079e-05
2.759e-08
d
yr
n .2191207903766906 1.3442e-09 deg/d
Q 2.808512909831475 1.1486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1943  
   data-arc span      11768 days (32.22 yr)  
   first obs. used      1988-05-10  
   last obs. used      2020-07-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50193  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Aug-24 23:52:38  

Additional Information
 Earth MOID = 1.65835 au 
 Jupiter MOID = 2.22548 au 
 T_jup = 3.353 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 13.9   n/a MPO473872  
diameter diameter 5.031 km 0.331 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
rotation period rot_per 13.889 h n/a LCDB (Rev. 2019-August); 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:
[Chang, C.K.; Ip, W.-H.; Lin, H.-W.; Cheng, Y.C.; et al. (2015) Astrophys. J. Supp. Ser. 219, A27.]
[Waszczak, A.; Chang, C.-K.; Ofeck, E.O.; Laher, F.; et al. (2015) Astron. J. 150, A75.]
geometric albedo albedo 0.253   0.035 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

7696 Liebe           Discovered 1988 May 10 by W. Landgraf at the European Southern Observatory.
Bodo Liebe, a professor at the University of Siegen, started a program in astronomy and established an observatory there. This enabled the discoverer to embark on his study of minor planets and comets.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20010309/MPCPages.arcLast Updated: 2009-05-11

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Alternate Designations
 1988 JD = 1988 KO = 1996 AD1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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