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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 22 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1618371574534027 3.8238e-08  
a 2.619000129856253 1.0897e-08 au
q 2.195148593470225 1.0464e-07 au
i 1.797956510914959 3.727e-06 deg
node 244.7891141597938 0.00011166 deg
peri 215.1793063136284 0.00011231 deg
M 253.3106286975281 1.2934e-05 deg
tp 2459059.296780810311
(2020-Jul-28.79678081)
5.6985e-05 TDB
period 1548.109610876349
4.24
9.6622e-06
2.645e-08
d
yr
n .2325416737101789 1.4514e-09 deg/d
Q 3.042851666242282 1.2661e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1293  
   data-arc span      10544 days (28.87 yr)  
   first obs. used      1991-01-14  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52772  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-13 23:53:29  

Additional Information
 Earth MOID = 1.21244 au 
 Jupiter MOID = 2.11586 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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