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27748 Vivianhoette (1991 AL)
Classification: Main-belt Asteroid          SPK-ID: 2027748
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 32 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1888228235570223 3.979e-08  
a 2.43517262414836 1.043e-08 au
q 1.975356453407904 9.4687e-08 au
i 5.530798999869995 4.2423e-06 deg
node 105.8916297763819 5.811e-05 deg
peri 340.4910395003583 6.0251e-05 deg
M 281.9274905618837 1.7995e-05 deg
tp 2459301.515385778802
(2021-Mar-28.01538578)
7.0422e-05 TDB
period 1388.011473696307
3.80
8.9177e-06
2.442e-08
d
yr
n .2593638502434793 1.6664e-09 deg/d
Q 2.894988794888817 1.24e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1599  
   data-arc span      13490 days (36.93 yr)  
   first obs. used      1982-10-21  
   last obs. used      2019-09-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50706  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 05:01:47  

Additional Information
 Earth MOID = .992699 au 
 Jupiter MOID = 2.32033 au 
 T_jup = 3.474 
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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 13.6   n/a MPO384984  
diameter diameter 4.452 km 0.418 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  
geometric albedo albedo 0.312   0.059 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2014ApJ...791..121M)  

27748 Vivianhoette           Discovered 1991 Jan. 9 by S. Izumikawa and O. Muramatsu at Yatsugatake.
Vivian Hoette, an educator at the Yerkes Observatory, holds astronomy workshops in the Midwestern U.S. She also contributes internationally by means of a live show between Yerkes and the Science Museum in Tokyo, where an afternoon audience in the latter can see the Yerkes night sky.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20020427/MPCPages.arcLast Updated: 2003-10-02

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Alternate Designations
 1991 AL = 1982 UG1 
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