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410929 (2009 SY250)
Classification: Main-belt Asteroid          SPK-ID: 2410929
[ 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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1736074619950007 1.3308e-07  
a 3.007903723554024 4.8258e-08 au
q 2.485709192182498 4.3224e-07 au
i 2.293505034678706 9.4102e-06 deg
node 326.5407274479003 0.00010774 deg
peri 51.72721394468427 0.000132 deg
M 16.92328618782397 6.6225e-05 deg
tp 2458910.927123347949
(2020-Mar-02.42712335)		 0.00034893 TDB
period 1905.435814111501
5.22		 4.5856e-05
1.255e-07		 d
yr
n .1889331549947101 4.5468e-09 deg/d
Q 3.53009825492555 5.6636e-08 au
   Orbit Determination Parameters
   # obs. used (total)      273  
   data-arc span      5491 days (15.03 yr)  
   first obs. used      2004-10-10  
   last obs. used      2019-10-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .39147  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 13:48:09  

Additional Information
 Earth MOID = 1.48847 au 
 Jupiter MOID = 1.94583 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 16.7   n/a MPO495083  
diameter diameter 2.477 km 0.519 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.066   0.038 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

410929 (2009 SY250)          Discovered 2009-Sep-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2014-10-09

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