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243433 (2009 DY44)
Classification: Main-belt Asteroid          SPK-ID: 2243433
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .05920904335775479 6.8051e-08  
a 2.72393020709118 3.6836e-08 au
q 2.56264890535602 1.9477e-07 au
i 12.75260479189826 6.9378e-06 deg
node 90.15177604130142 3.7823e-05 deg
peri 34.08043437804044 9.8542e-05 deg
M 113.6271335295743 8.5376e-05 deg
tp 2458082.211060728357
(2017-Nov-24.71106073)
0.00039243 TDB
period 1642.072736871676
4.50
3.3309e-05
9.12e-08
d
yr
n .2192351117684583 4.4471e-09 deg/d
Q 2.885211508826339 3.9017e-08 au
  Orbit Determination Parameters
   # obs. used (total)      314  
   data-arc span      5772 days (15.80 yr)  
   first obs. used      2002-08-20  
   last obs. used      2018-06-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .65121  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:32:51  

Additional Information
 Earth MOID = 1.58808 au 
 Jupiter MOID = 2.24849 au 
 T_jup = 3.319 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.7   n/a MPO437136  
diameter diameter 3.337 km 1.497 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.091   0.049 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243433 (2009 DY44)          Discovered 2009-Feb-27 by Lowe, A. at Mayhill
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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