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21440 Elizacollins (1998 FB125)
Classification: Main-belt Asteroid          SPK-ID: 2021440
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 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07374725645182824 3.6796e-08  
a 2.260533125735497 7.9957e-09 au
q 2.093825009594028 8.3159e-08 au
i 4.050961742940921 4.2288e-06 deg
node 127.3444485638702 5.4488e-05 deg
peri 170.9930065569681 6.1223e-05 deg
M 149.0404853266302 2.7289e-05 deg
tp 2458686.555177257811
(2019-Jul-22.05517726)
9.4389e-05 TDB
period 1241.408572856607
3.40
6.5865e-06
1.803e-08
d
yr
n .2899931641132487 1.5386e-09 deg/d
Q 2.427241241876966 8.5854e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1065  
   data-arc span      9872 days (27.03 yr)  
   first obs. used      1994-01-08  
   last obs. used      2021-01-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48013  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 02:52:38  

Additional Information
 Earth MOID = 1.0762 au 
 Jupiter MOID = 2.69168 au 
 T_jup = 3.613 
[ 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 15.5   n/a MPO435899  

21440 Elizacollins           Discovered 1998 Mar. 24 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Elizabeth Collins mentored a finalist in the 2005 Intel Science Talent Search, a science competition for high school seniors. She teaches at the Fairport High School, Fairport, New York.
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

Alternate Designations
 1998 FB125 = 1999 TO91 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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