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19833 Wickwar (2000 SA230)
Classification: Main-belt Asteroid          SPK-ID: 2019833
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 26 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0306830632489802 3.2832e-08  
a 2.888653050285601 1.4143e-08 au
q 2.800020326039328 9.8343e-08 au
i 2.470307332974349 3.5173e-06 deg
node 145.6141916868366 8.0336e-05 deg
peri 22.62301202699714 0.000101 deg
M 263.2682966438064 6.2604e-05 deg
tp 2459682.345531387854
(2022-Apr-12.84553139)
0.0003132 TDB
period 1793.252731846168
4.91
1.317e-05
3.606e-08
d
yr
n .2007525172591691 1.4744e-09 deg/d
Q 2.977285774531873 1.4577e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1140  
   data-arc span      10658 days (29.18 yr)  
   first obs. used      1991-12-07  
   last obs. used      2021-02-10  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57726  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 03:07:39  

Additional Information
 Earth MOID = 1.80548 au 
 Jupiter MOID = 1.98255 au 
 T_jup = 3.289 
[ 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 MPO449096  

19833 Wickwar           Discovered 2000 Sept. 28 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Steve Wickwar mentored a finalist in the 2003 Discovery Channel Youth Science Challenge, a middle school science competition. He teaches at the Barbara Bush Middle School, San Antonio, Texas.
NOTE: some special characters may not display properly (any characters within {} are an attempt to place the proper accent above a character)
Reference: 20031010/MPCPages.arcLast Updated: 2003-10-10

[ show close-approach data ]
Alternate Designations
 2000 SA230 = 1998 HE85 = 1999 PP7 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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