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233699 (2008 SW45)
Classification: Main-belt Asteroid          SPK-ID: 2233699
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 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1572620501926779 5.1634e-08  
a 3.023538551228472 2.6635e-08 au
q 2.548050679825683 1.5914e-07 au
i .9052588189544724 5.4893e-06 deg
node 61.70193629962537 0.00043706 deg
peri 356.2243791286117 0.00043764 deg
M 50.58514469174817 2.2849e-05 deg
tp 2458730.668785407606
(2019-Sep-04.16878541)
0.00012048 TDB
period 1920.311542948062
5.26
2.5374e-05
6.947e-08
d
yr
n .1874695808198539 2.4772e-09 deg/d
Q 3.499026422631261 3.0823e-08 au
  Orbit Determination Parameters
   # obs. used (total)      263  
   data-arc span      9983 days (27.33 yr)  
   first obs. used      1992-09-26  
   last obs. used      2020-01-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5615  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 07:22:56  

Additional Information
 Earth MOID = 1.56026 au 
 Jupiter MOID = 1.84256 au 
 T_jup = 3.226 
[ 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 16.1   n/a MPO454690  
diameter diameter 3.458 km 0.915 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.049   0.046 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233699 (2008 SW45)          Discovered 2008-Sep-20 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2008 SW45 = 2005 GT82 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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