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JPL Small-Body Database Browser
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27091 Alisonbick (1998 UY21)
Classification: Main-belt Asteroid          SPK-ID: 2027091
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1599345477674304 4.602e-08  
a 2.434010340892804 1.1066e-08 au
q 2.044727997760865 1.1225e-07 au
i 9.460808906901834 5.26e-06 deg
node 232.3358184164345 2.4044e-05 deg
peri 3.284518920202303 2.7158e-05 deg
M 286.8663805262652 1.2216e-05 deg
tp 2458882.271213483515
(2020-Feb-02.77121348)
4.7435e-05 TDB
period 1387.017866529847
3.80
9.4587e-06
2.59e-08
d
yr
n .259549648701121 1.77e-09 deg/d
Q 2.823292684024744 1.2836e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1511  
   data-arc span      13425 days (36.76 yr)  
   first obs. used      1982-07-24  
   last obs. used      2019-04-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51147  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 01:01:36  

Additional Information
 Earth MOID = 1.03336 au 
 Jupiter MOID = 2.18046 au 
 T_jup = 3.470 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.6   n/a MPO435952  
diameter diameter 4.201 km 0.870 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  
geometric albedo albedo 0.081   0.056 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2017AJ....154..168M)  

27091 Alisonbick           Discovered 1998 Oct. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Alison Dana Bick (b. 1993) was a finalist in the 2010 Intel Science Talent Search, a science competition for high-school seniors, for her materials and bioengineering project. She attends the Millburn High School, Millburn, New Jersey, U.S.A.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20110319/MPCPages.arcLast Updated: 2011-03-23

Alternate Designations
 1998 UY21 = 2000 AU193 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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