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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 25 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1619713416232777 3.8055e-08  
a 2.619768087254539 1.0783e-08 au
q 2.195440735420073 1.0424e-07 au
i 1.797879485260134 3.7047e-06 deg
node 244.7907250755603 0.00011012 deg
peri 215.0834900538341 0.00011079 deg
M 346.4056250869331 1.3118e-05 deg
tp 2459058.985666068799
(2020-Jul-28.48566607)
5.6614e-05 TDB
period 1548.790578412684
4.24
9.5623e-06
2.618e-08
d
yr
n .232439430493537 1.4351e-09 deg/d
Q 3.044095439089005 1.253e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1329  
   data-arc span      10873 days (29.77 yr)  
   first obs. used      1991-01-14  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52531  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-13 02:36:14  

Additional Information
 Earth MOID = 1.21261 au 
 Jupiter MOID = 2.11393 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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