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30473 Ethanbutson (2000 OP23)
Classification: Main-belt Asteroid          SPK-ID: 2030473
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 30 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1190212908996693 3.2392e-08  
a 3.039683926654646 1.5939e-08 au
q 2.677896821777234 1.0166e-07 au
i .8838344081742275 4.793e-06 deg
node 334.9790772918147 0.00023884 deg
peri 279.8958566323862 0.00023977 deg
M 334.853984141831 2.1029e-05 deg
tp 2459335.709669656778
(2021-May-01.20966966)
0.00011313 TDB
period 1935.713448642697
5.30
1.5226e-05
4.169e-08
d
yr
n .1859779402020627 1.4628e-09 deg/d
Q 3.401471031532058 1.7837e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1489  
   data-arc span      10867 days (29.75 yr)  
   first obs. used      1990-08-20  
   last obs. used      2020-05-21  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .53565  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 06:36:03  

Additional Information
 Earth MOID = 1.66169 au 
 Jupiter MOID = 1.64374 au 
 T_jup = 3.229 
[ 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 14.09   n/a E2021B10  
diameter diameter 9.663 km 0.085 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

30473 Ethanbutson           Discovered 2000 July 23 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Ethan Thomas Butson (b. 1995) was awarded second place in the 2014 Intel International Science and Engineering Fair for his medicine and health sciences project. He attends the Illawarra Grammar School, Mangerton, NSW, Australia.
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 2015-06-02Last Updated: 2015-06-04

[ show close-approach data ]
Alternate Designations
 2000 OP23 = 1990 QX13 = 1999 FX59 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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