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15030 Matthewkroll (1998 VA15)
Classification: Main-belt Asteroid          SPK-ID: 2015030
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1620408109451676 2.7052e-08  
a 2.619947444128461 8.3088e-09 au
q 2.195409035648166 7.1527e-08 au
i 1.797716228820422 3.2431e-06 deg
node 244.7857002880562 0.00010918 deg
peri 215.0524039625839 0.00010982 deg
M 32.91552203474686 1.1675e-05 deg
tp 2459058.876428388394
(2020-Jul-28.37642839)
5.0037e-05 TDB
period 1548.949633135302
4.24
7.3685e-06
2.017e-08
d
yr
n .2324155623261339 1.1056e-09 deg/d
Q 3.044485852608756 9.6552e-09 au
  Orbit Determination Parameters
   # obs. used (total)      1515  
   data-arc span      11018 days (30.17 yr)  
   first obs. used      1991-01-14  
   last obs. used      2021-03-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .50757  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 00:45:27  

Additional Information
 Earth MOID = 1.21238 au 
 Jupiter MOID = 2.11355 au 
 T_jup = 3.386 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9   n/a MPO502284  
diameter diameter 6.699 km 0.133 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

15030 Matthewkroll           Discovered 1998 Nov. 10 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Matthew Jay Kroll (b. 1985) was named a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors, for his zoology project. He attends the Byram Hills High School, Armonk, 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: 20030216/MPCPages.arcLast Updated: 2011-11-22

[ show close-approach data ]
Alternate Designations
 1998 VA15 = 1991 BG1 = 1996 HC9 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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