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183485 (2003 DY18)
Classification: Main-belt Asteroid          SPK-ID: 2183485
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02486196984938734 5.7653e-08  
a 2.979910896883862 3.3332e-08 au
q 2.905824442011674 1.6469e-07 au
i 12.62101654300292 5.6913e-06 deg
node 342.5190887702391 2.7945e-05 deg
peri 167.9049573513738 0.00011858 deg
M 127.9112319291922 0.00011503 deg
tp 2458332.910457117649
(2018-Aug-02.41045712)
0.00059981 TDB
period 1878.898606579656
5.14
3.1525e-05
8.631e-08
d
yr
n .1916016110392159 3.2148e-09 deg/d
Q 3.053997351756049 3.4161e-08 au
  Orbit Determination Parameters
   # obs. used (total)      339  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59081  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 08:34:47  

Additional Information
 Earth MOID = 1.91581 au 
 Jupiter MOID = 1.93224 au 
 T_jup = 3.223 
[ 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 15.3   n/a MPO469977  
diameter diameter 5.432 km 0.236 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.055   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

183485 (2003 DY18)          Discovered 2003-Feb-21 by NEAT at Palomar
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

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