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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 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1751642686839735 6.0339e-08  
a 2.431203843294361 1.9467e-08 AU
q 2.005343800062038 1.446e-07 AU
i 2.742484047632745 6.4768e-06 deg
node 250.5139229087051 0.00012807 deg
peri 355.0238622990295 0.00012955 deg
M 179.6511992605147 2.171e-05 deg
tp 2456309.531725803917
(2013-Jan-17.03172580)
7.8802e-05 JED
period 1384.619639248142
3.79
1.6631e-05
4.553e-08
d
yr
n .2599992010769704 3.1228e-09 deg/d
Q 2.857063886526683 2.2877e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      630  
   data-arc span      8890 days (24.34 yr)  
   first obs. used      1990-05-01  
   last obs. used      2014-09-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .57414  
   data source      ORB  
   producer      Otto Matic  
   solution date      2014-Sep-12 14:18:14  

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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