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193346 (2000 UD18)
Classification: Main-belt Asteroid          SPK-ID: 2193346
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404671633220443 3.609e-08  
a 2.653359289781501 1.8593e-08 au
q 2.015313508093549 9.6192e-08 au
i 5.067453445594275 8.1117e-06 deg
node 143.4205125941845 9.444e-05 deg
peri 320.3755811289359 9.7223e-05 deg
M 148.7405948746622 2.3789e-05 deg
tp 2458348.241822788980
(2018-Aug-17.74182279)
0.0001007 TDB
period 1578.674228066888
4.32
1.6593e-05
4.543e-08
d
yr
n .2280394482912574 2.3969e-09 deg/d
Q 3.291405071469452 2.3064e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      6763 days (18.52 yr)  
   first obs. used      2000-10-24  
   last obs. used      2019-05-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62045  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-13 13:56:23  

Additional Information
 Earth MOID = 1.03514 au 
 Jupiter MOID = 1.87659 au 
 T_jup = 3.342 
[ 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 16.2   n/a MPO436955  
diameter diameter 1.513 km 0.330 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.307   0.171 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

193346 (2000 UD18)          Discovered 2000-Oct-24 by LINEAR at Socorro
Reference: 20081113/Numbers.arcLast Updated: 2008-11-17

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