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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751642778389965 5.9491e-08  
a 2.431203848780523 1.8521e-08 AU
q 2.005343782329494 1.4327e-07 AU
i 2.742484193301288 6.4715e-06 deg
node 250.5139392010826 0.00010907 deg
peri 355.0238386411528 0.00011044 deg
M 179.6512026175426 2.1401e-05 deg
tp 2456309.531710553412
(2013-Jan-17.03171055)
7.7039e-05 JED
period 1384.619643934862
3.79
1.5822e-05
4.332e-08
d
yr
n .259999200196914 2.9711e-09 deg/d
Q 2.857063915231552 2.1766e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      720  
   data-arc span      9003 days (24.65 yr)  
   first obs. used      1990-05-01  
   last obs. used      2014-12-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .5508  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Jan-08 02:58:24  

Additional Information
 Earth MOID = .99356 AU 
 T_jup = 3.485 
[ 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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