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243478 (2009 SY329)
Classification: Main-belt Asteroid          SPK-ID: 2243478
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 .1202804486919041 4.4436e-08  
a 3.051839044117199 2.7732e-08 au
q 2.68476247455531 1.3509e-07 au
i 7.019550287802275 5.3597e-06 deg
node 151.028361568064 3.4746e-05 deg
peri 201.45225548 4.1207e-05 deg
M 20.13563595360416 2.0011e-05 deg
tp 2458891.580982741062
(2020-Feb-12.08098274)
0.00010852 TDB
period 1947.335872756445
5.33
2.6543e-05
7.267e-08
d
yr
n .1848679547459995 2.5198e-09 deg/d
Q 3.418915613679087 3.1067e-08 au
  Orbit Determination Parameters
   # obs. used (total)      425  
   data-arc span      8093 days (22.16 yr)  
   first obs. used      1998-08-30  
   last obs. used      2020-10-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55696  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:56:17  

Additional Information
 Earth MOID = 1.68037 au 
 Jupiter MOID = 2.00541 au 
 T_jup = 3.214 
[ 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 15.2   n/a MPO450092  
diameter diameter 5.057 km 0.191 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.012 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243478 (2009 SY329)          Discovered 2009-Sep-17 by Spacewatch at Kitt Peak
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

[ show close-approach data ]
Alternate Designations
 2009 SY329 = 2007 EL110 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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