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243475 (2009 SB265)
Classification: Main-belt Asteroid          SPK-ID: 2243475
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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129699995284975 8.7897e-08  
a 3.198773298994947 5.0738e-08 au
q 2.783892417197598 2.8068e-07 au
i 4.877086325819929 7.3718e-06 deg
node 240.2539707263497 0.00010451 deg
peri 326.3196238182283 0.00010715 deg
M 134.7784144336505 2.6963e-05 deg
tp 2458218.167337815206
(2018-Apr-09.66733782)
0.00015132 TDB
period 2089.650331397635
5.72
4.9719e-05
1.361e-07
d
yr
n .172277626831097 4.099e-09 deg/d
Q 3.613654180792295 5.7319e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      7075 days (19.37 yr)  
   first obs. used      1998-12-25  
   last obs. used      2018-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .594  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:33:07  

Additional Information
 Earth MOID = 1.78095 au 
 Jupiter MOID = 1.37885 au 
 T_jup = 3.176 
[ 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 15.4   n/a MPO450092  
diameter diameter 5.234 km 1.675 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.067 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243475 (2009 SB265)          Discovered 2009-Sep-23 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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