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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 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03069325125490438 3.083e-08  
a 2.724877557371748 1.1204e-08 au
q 2.641242205864486 8.3353e-08 au
i 3.653680767664385 3.5869e-06 deg
node 115.0721486930071 6.8586e-05 deg
peri 343.8360704302982 0.0001038 deg
M 170.3232398714734 7.7512e-05 deg
tp 2458223.197036098046
(2018-Apr-14.69703610)
0.00035302 TDB
period 1642.929451176853
4.50
1.0133e-05
2.774e-08
d
yr
n .2191207904527653 1.3515e-09 deg/d
Q 2.808512908879008 1.1548e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1906  
   data-arc span      11369 days (31.13 yr)  
   first obs. used      1988-05-10  
   last obs. used      2019-06-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50495  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-22 18:35:55  

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

[ show close-approach data ]
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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