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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2404671782194986 3.5152e-08  
a 2.653359298040437 1.8178e-08 au
q 2.015313474838184 9.2978e-08 au
i 5.067450163178934 8.0126e-06 deg
node 143.4205128412501 9.4419e-05 deg
peri 320.3755776536093 9.718e-05 deg
M 148.7405984753923 2.3551e-05 deg
tp 2458348.241803953675
(2018-Aug-17.74180395)
9.9816e-05 TDB
period 1578.674235437642
4.32
1.6223e-05
4.442e-08
d
yr
n .2280394472265524 2.3435e-09 deg/d
Q 3.29140512124269 2.255e-08 au
  Orbit Determination Parameters
   # obs. used (total)      387  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2000-10-24  
   last obs. used      2019-05-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62294  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 06:31:22  

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1926-Jan-18 09:40 00:03 Jupiter 1.89137954455195 1.89137875455051 1.89138033455714 1.61595371929107 1.30982443980768 2424533.902512684 2.70241383489514 305.779347125615 146.081853980433 -70.0494864939128 926763.407035605 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
1973-Sep-03 22:53 00:01 Jupiter 1.89811905385345 1.89811820511745 1.89811990259032 1.72404627904896 1.44216829394375 2441929.453666746 1.34158844560902 208.123792827708 109.064597811391 -88.8901758174161 925956.295797748 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
2021-Apr-20 14:18 < 00:01 Jupiter 1.91381245607619 1.91381167594265 1.91381323620929 1.85123749972468 1.59433765187238 2459325.095850698 0.320964159082647 153.811231514767 60.3285972697707 72.8520561863158 1053466.47419055 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
2068-Dec-06 12:35 00:02 Jupiter 1.93860845379155 1.93860762345126 1.93860928413196 2.00547520715521 1.77428433896789 2476722.024310350 1.50635067223562 169.196569493933 51.5298698028487 83.040886098147 998859.073788505 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
2116-Jul-27 21:25 00:03 Jupiter 1.97713696005875 1.97713570657813 1.97713821354386 2.2009221904734 1.99680776474055 2494121.392287688 2.88502748254908 236.764672554305 37.3827831070933 88.316139946399 912879.10693317 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
2197-Dec-23 23:13 00:05 Jupiter 1.97802293170985 1.97802043482069 1.9780254285944 1.50549936463885 1.18747415666818 2523855.467449241 5.19593843400807 208.546983497161 107.420887501954 -70.9075347703142 867350.663737242 T 15 CATAB v2.0f-lin.ifort 2020-Nov-12 06:31:23 2020-Nov-12 06:31
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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