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227416 (2005 UD509)
Classification: Main-belt Asteroid          SPK-ID: 2227416
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06659061152830804 4.6765e-08  
a 2.776535128813978 2.5963e-08 au
q 2.591643956656426 1.3243e-07 au
i 1.250715856929711 5.145e-06 deg
node 78.44571060602169 0.00027693 deg
peri 170.7124238822135 0.00028082 deg
M 272.6416319692524 4.6341e-05 deg
tp 2459610.567355193163
(2022-Jan-31.06735519)		 0.00021742 TDB
period 1689.869570566832
4.63		 2.3703e-05
6.49e-08		 d
yr
n .2130341928574082 2.9881e-09 deg/d
Q 2.961426300971531 2.7692e-08 au
   Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      9301 days (25.46 yr)  
   first obs. used      1995-09-25  
   last obs. used      2021-03-13  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .59235  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 00:39:41  

Additional Information
 Earth MOID = 1.576 au 
 Jupiter MOID = 2.04368 au 
 T_jup = 3.331 
[ 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 16.4   n/a MPO527643  

227416 (2005 UD509)          Discovered 2005-Oct-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20091202/Numbers.arcLast Updated: 2009-12-04

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