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469859 (2005 UD18)
Classification: Main-belt Asteroid          SPK-ID: 2469859
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .163237544655911 8.118e-08  
a 2.39635770016062 2.0509e-08 au
q 2.005182153069114 2.0148e-07 au
i 4.134431929826286 7.136e-06 deg
node 221.5451476776553 7.9534e-05 deg
peri 147.2910012289489 8.1403e-05 deg
M 351.5005016529409 1.9028e-05 deg
tp 2459032.490180260419
(2020-Jul-01.99018026)
7.1854e-05 TDB
period 1354.95818970723
3.71
1.7394e-05
4.762e-08
d
yr
n .2656908550645288 3.4108e-09 deg/d
Q 2.787533247252125 2.3857e-08 au
  Orbit Determination Parameters
   # obs. used (total)      135  
   data-arc span      5029 days (13.77 yr)  
   first obs. used      2005-09-26  
   last obs. used      2019-07-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63974  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 08:02:45  

Additional Information
 Earth MOID = 1.00613 au 
 Jupiter MOID = 2.68564 au 
 T_jup = 3.507 
[ 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 17.6   n/a MPO437770  

469859 (2005 UD18)          Discovered 2005-Sep-26 by Spacewatch at Kitt Peak
Reference: Last Updated: 2016-08-22
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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