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23801 Erikgustafson (1998 QQ38)
Classification: Main-belt Asteroid          SPK-ID: 2023801
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457600.5 (2016-Jul-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1744148255866359 5.0736e-08  
a 2.432199242401511 1.4767e-08 au
q 2.007987635746103 1.2723e-07 au
i 2.741411571147051 5.3807e-06 deg
node 250.4335989655132 0.00010333 deg
peri 354.9164331663245 0.0001046 deg
M 335.7306683782872 1.9501e-05 deg
tp 2457693.901202024008
(2016-Nov-01.40120202)
7.5605e-05 JED
period 1385.47007609226
3.79
1.2618e-05
3.455e-08
d
yr
n .2598396069407616 2.3664e-09 deg/d
Q 2.856410849056918 1.7343e-08 au
  Orbit Determination Parameters
   # obs. used (total)      897  
   data-arc span      9479 days (25.95 yr)  
   first obs. used      1990-05-01  
   last obs. used      2016-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .55395  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Apr-25 13:41:55  

Additional Information
 Earth MOID = .994469 au 
 Jupiter MOID = 2.16551 au 
 T_jup = 3.484 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.9 mag n/a MPO270292  

23801 Erikgustafson           Discovered 1998 Aug. 17 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Erik Olaf Gustafson (b. 1996) is a finalist in the 2007 Discovery Channel Young Scientist Challenge (DCYSC), a middle school science competition, for his environmental sciences project. He attends the Homer Intermediate School, Homer, 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: 20071026/MPCPages.arcLast Updated: 2007-10-28

[ show close-approach data ]
Alternate Designations
 1998 QQ38 = 1990 JP1 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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