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18190 Michaelpizer (2000 QY89)
Classification: Main-belt Asteroid          SPK-ID: 2018190
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1806784731173247 4.3434e-08  
a 2.560362330552827 1.3487e-08 au
q 2.097759974041427 1.0801e-07 au
i 5.516138516343911 4.6752e-06 deg
node 270.1223624427284 4.4734e-05 deg
peri 149.8613749276789 4.6697e-05 deg
M 287.1548131689701 1.6319e-05 deg
tp 2459503.295161499806
(2021-Oct-15.79516150)
6.9153e-05 TDB
period 1496.409891744514
4.10
1.1824e-05
3.237e-08
d
yr
n .2405757954328357 1.9009e-09 deg/d
Q 3.022964687064227 1.5923e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1342  
   data-arc span      10210 days (27.95 yr)  
   first obs. used      1992-09-30  
   last obs. used      2020-09-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50413  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:24:56  

Additional Information
 Earth MOID = 1.11207 au 
 Jupiter MOID = 2.30991 au 
 T_jup = 3.406 
[ 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 14.25   n/a E2021B10  
diameter diameter 3.699 km 0.128 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.246   0.051 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

18190 Michaelpizer           Discovered 2000 Aug. 25 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Michael J. Pizer (b. 1988) was awarded second place in the 2003 Intel International Science and Engineering Fair for his physics project. He also received the Intel Foundation Achievement Award. He attends the University School of Milwaukee, Milwaukee, Wisconsin, 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: 20040614/MPCPages.arcLast Updated: 2009-12-11

Alternate Designations
 2000 QY89 = 1992 SF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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