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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 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02657416356138857 5.6676e-08  
a 2.976308872887352 3.3725e-08 au
q 2.897215954090032 1.6194e-07 au
i 12.64549580234687 5.6543e-06 deg
node 342.4421313782963 2.7257e-05 deg
peri 170.569723553774 0.00011063 deg
M 201.0833027262011 0.00010681 deg
tp 2460224.408717115503
(2023-Oct-06.90871712)
0.0005572 TDB
period 1875.492904613246
5.13
3.1877e-05
8.727e-08
d
yr
n .1919495398326965 3.2625e-09 deg/d
Q 3.055401791684673 3.4621e-08 au
  Orbit Determination Parameters
   # obs. used (total)      342  
   data-arc span      8167 days (22.36 yr)  
   first obs. used      1998-03-04  
   last obs. used      2020-07-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .5916  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 21:39:10  

Additional Information
 Earth MOID = 1.90744 au 
 Jupiter MOID = 1.92869 au 
 T_jup = 3.224 
[ 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 15.42   n/a E2021B55  
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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