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243472 (2009 SD214)
Classification: Main-belt Asteroid          SPK-ID: 2243472
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1014035867640117 4.3353e-08  
a 3.076507172671099 3.8116e-08 au
q 2.764538310657041 1.399e-07 au
i 12.20083660844773 5.1953e-06 deg
node 194.0309013586382 2.2885e-05 deg
peri 264.1419811153165 3.385e-05 deg
M 210.2653385786757 2.6251e-05 deg
tp 2459420.294818320376
(2021-Jul-24.79481832)
0.00014893 TDB
period 1970.994102460402
5.40
3.6629e-05
1.003e-07
d
yr
n .182648948340642 3.3943e-09 deg/d
Q 3.388476034685157 4.1981e-08 au
  Orbit Determination Parameters
   # obs. used (total)      344  
   data-arc span      5941 days (16.27 yr)  
   first obs. used      2003-07-23  
   last obs. used      2019-10-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .51639  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 02:15:22  

Additional Information
 Earth MOID = 1.81505 au 
 Jupiter MOID = 1.87512 au 
 T_jup = 3.187 
[ 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 MPO440239  
diameter diameter 3.848 km 0.672 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.119   0.014 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243472 (2009 SD214)          Discovered 2009-Sep-23 by Spacewatch at Kitt Peak
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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