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23046 Stevengordon (1999 XN28)
Classification: Main-belt Asteroid          SPK-ID: 2023046
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 29 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06018056995548159 3.5329e-08  
a 2.852743274754141 1.4294e-08 au
q 2.68106355854277 1.0323e-07 au
i 3.051056851353348 3.787e-06 deg
node 124.784154284594 7.0262e-05 deg
peri 44.13199994195456 7.645e-05 deg
M 352.001366568075 2.9827e-05 deg
tp 2459039.602610813004
(2020-Jul-09.10261081)
0.00014584 TDB
period 1759.918117574407
4.82
1.3227e-05
3.621e-08
d
yr
n .2045549712825089 1.5374e-09 deg/d
Q 3.024422990965513 1.5154e-08 au
  Orbit Determination Parameters
   # obs. used (total)      1713  
   data-arc span      8838 days (24.20 yr)  
   first obs. used      1996-02-16  
   last obs. used      2020-04-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .50101  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-May-20 05:37:04  

Additional Information
 Earth MOID = 1.68834 au 
 Jupiter MOID = 1.94117 au 
 T_jup = 3.300 
[ 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 14.3   n/a MPO467984  
diameter diameter 3.643 km 0.470 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.334   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

23046 Stevengordon           Discovered 1999 Dec. 6 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
Steven Gordon mentored a finalist in the 2007 Intel Science Talent Search (STS), a science competition for high school seniors. He teaches at the Garden City High School, Garden City, 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: 20070303/MPCPages.arcLast Updated: 2010-04-12

[ show close-approach data ]
Alternate Designations
 1999 XN28 = 1996 DK6 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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