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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 31 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03021521942547323 3.0765e-08  
a 2.725693817146195 1.1617e-08 au
q 2.643336380374467 8.3063e-08 au
i 3.6541260135173 3.5788e-06 deg
node 115.0707846796126 6.7656e-05 deg
peri 345.0999743449442 0.00010309 deg
M 212.7875890794417 7.7568e-05 deg
tp 2459872.634139467391
(2022-Oct-20.13413947)
0.00035474 TDB
period 1643.667736267402
4.50
1.0508e-05
2.877e-08
d
yr
n .2190223681201667 1.4002e-09 deg/d
Q 2.808051253917923 1.1968e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1963  
   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      .49937  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 03:26:16  

Additional Information
 Earth MOID = 1.66024 au 
 Jupiter MOID = 2.22235 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 13.85   n/a E2021B10  
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. 2020-October); 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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