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18956 Jessicarnold (2000 QK126)
Classification: Main-belt Asteroid          SPK-ID: 2018956
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 21 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1405076998256926 3.1258e-08  
a 2.27242567313824 7.3772e-09 au
q 1.953132368780735 7.199e-08 au
i 3.433219308289585 3.4606e-06 deg
node 111.0431740038566 6.3768e-05 deg
peri 293.1083259657551 6.5409e-05 deg
M 297.4818427984093 1.4117e-05 deg
tp 2459417.788441527536
(2021-Jul-22.28844153)
4.9394e-05 TDB
period 1251.217925340937
3.43
6.0929e-06
1.668e-08
d
yr
n .2877196631449359 1.4011e-09 deg/d
Q 2.591718977495746 8.4137e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1218  
   data-arc span      9931 days (27.19 yr)  
   first obs. used      1992-04-07  
   last obs. used      2019-06-16  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 02:43:05  

Additional Information
 Earth MOID = .964326 au 
 Jupiter MOID = 2.77752 au 
 T_jup = 3.596 
[ 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 MPO474016  

18956 Jessicarnold           Discovered 2000 Aug. 31 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Jessica Lynn Arnold (b. 1986) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for her botany project. She attends the Edwardsville High School, Edwardsville, Illinois, 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: 20040830/MPCPages.arcLast Updated: 2004-09-06

Alternate Designations
 2000 QK126 = 1999 JB43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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