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21480 Jilltucker (1998 HO125)
Classification: Main-belt Asteroid          SPK-ID: 2021480
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 24 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1127179869474085 2.9729e-08  
a 2.385085137644189 8.9949e-09 au
q 2.116243142230753 7.3012e-08 au
i 6.281462258457794 3.5698e-06 deg
node 134.2016861475564 3.6914e-05 deg
peri 145.665766448115 4.1852e-05 deg
M 60.69145245462858 1.905e-05 deg
tp 2459169.681075722448
(2020-Nov-16.18107572)
7.1253e-05 TDB
period 1345.408775658513
3.68
7.6109e-06
2.084e-08
d
yr
n .2675766700152503 1.5137e-09 deg/d
Q 2.653927133057624 1.0009e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1224  
   data-arc span      10151 days (27.79 yr)  
   first obs. used      1992-11-20  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52332  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:46:08  

Additional Information
 Earth MOID = 1.10297 au 
 Jupiter MOID = 2.46655 au 
 T_jup = 3.519 
[ 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 15.31   n/a E2020-QM5  

21480 Jilltucker           Discovered 1998 Apr. 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jill Tucker mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Northview High School, Duluth, Georgia.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20050224/MPCPages.arcLast Updated: 2005-02-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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