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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07368010633311321 3.6774e-08  
a 2.260685546699481 7.9958e-09 au
q 2.094117995232931 8.3098e-08 au
i 4.051034998659864 4.2251e-06 deg
node 127.3440309937197 5.4206e-05 deg
peri 171.0671272242602 6.0894e-05 deg
M 205.791361267489 2.7153e-05 deg
tp 2459928.320245506547
(2022-Dec-14.82024551)
9.3476e-05 TDB
period 1241.534131654283
3.40
6.5867e-06
1.803e-08
d
yr
n .2899638365320797 1.5384e-09 deg/d
Q 2.427253098166031 8.5849e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1994-01-08  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:14:19  

Additional Information
 Earth MOID = 1.07802 au 
 Jupiter MOID = 2.69058 au 
 T_jup = 3.613 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456896.5 (2014-Aug-27.0) TDB
Reference: JPL 28 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07366174490032597 3.6676e-08  
q 2.094548735457212 8.2828e-08 au
tp 2457445.876881889239
(2016-Feb-27.37688189)
9.5238e-05 TDB
node 127.3791863178513 5.4233e-05 deg
peri 171.0436221028722 6.0951e-05 deg
i 4.049761588049924 4.2239e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      1084  
   data-arc span      9980 days (27.32 yr)  
   first obs. used      1994-01-08  
   last obs. used      2021-05-06  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .47677  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Jul-09 10:14:19  

Additional Information
 Jupiter MOID = 2.69058 au 
 T_jup = 3.613 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.345092499268188E-15 -3.025547550485261E-15 4.369931392046356E-13 -1.477794998509433E-15 1.312055084306543E-13 4.044007484182933E-16
q -3.025547550485261E-15 6.860437652861307E-15 -1.11909811928555E-12 2.371981133153839E-15 -3.404243496127772E-13 -8.341469481021812E-16
tp 4.369931392046356E-13 -1.11909811928555E-12 9.070236074585647E-9 -1.717544464684804E-11 2.661263466626754E-9 -8.340005290542337E-13
node -1.477794998509433E-15 2.371981133153839E-15 -1.717544464684804E-11 2.941231682908712E-9 -2.938125043670714E-9 3.394739857672826E-11
peri 1.312055084306543E-13 -3.404243496127772E-13 2.661263466626754E-9 -2.938125043670714E-9 3.715010978567321E-9 -3.40858772467685E-11
i 4.044007484182933E-16 -8.341469481021812E-16 -8.340005290542337E-13 3.394739857672826E-11 -3.40858772467685E-11 1.784103778622228E-11

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.59   n/a MPCxxxxx  

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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