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90383 Johnloiacono (2003 WN89)
Classification: Main-belt Asteroid          SPK-ID: 2090383
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2168993197980134 5.5184e-08  
a 2.643628828629808 2.2796e-08 au
q 2.070227533901584 1.5507e-07 au
i 1.703251432927479 5.5404e-06 deg
node 1.08851502361734 0.00018153 deg
peri 335.5047397912862 0.00018211 deg
M 359.9586774766605 1.965e-05 deg
tp 2459000.680211905390
(2020-May-31.18021191)
8.5696e-05 TDB
period 1569.99816801173
4.30
2.0307e-05
5.56e-08
d
yr
n .2292996306205309 2.9659e-09 deg/d
Q 3.217030123358032 2.7741e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      9533 days (26.10 yr)  
   first obs. used      1993-04-21  
   last obs. used      2019-05-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61782  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-23 22:10:24  

Additional Information
 Earth MOID = 1.06097 au 
 Jupiter MOID = 2.17055 au 
 T_jup = 3.359 
[ 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 16.2   n/a MPO436404  

90383 Johnloiacono           Discovered 2003 Nov. 16 by the Catalina Sky Survey.
John Loiacono (b. 1962) is the Deputy Project Manager for the OSIRIS-REx Asteroid Sample Return Mission. He also served as the IRIS Mission Manager, the ICESat-2 Project Manager, the Instrument Systems Manager on the EOS/Aura project, and the Deputy Experiment Manager for the HST Imaging Spectrograph.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: MPC batch dated 2014-07-12Last Updated: 2014-08-13

[ show close-approach data ]
Alternate Designations
 2003 WN89 = 2003 UR291 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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