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332757 (2009 UN46)
Classification: Main-belt Asteroid          SPK-ID: 2332757
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1792759694777988 6.8483e-08  
a 2.638829036347183 3.3167e-08 au
q 2.165750402569876 1.8901e-07 au
i 15.11058273800102 6.3274e-06 deg
node 46.01860607678455 2.7188e-05 deg
peri 282.8361552818358 3.1683e-05 deg
M 228.9040908914576 1.6653e-05 deg
tp 2459570.666828394936
(2021-Dec-22.16682839)
7.6498e-05 TDB
period 1565.724358738223
4.29
2.9519e-05
8.082e-08
d
yr
n .2299255280732266 4.3349e-09 deg/d
Q 3.11190767012449 3.9113e-08 au
  Orbit Determination Parameters
   # obs. used (total)      134  
   data-arc span      5729 days (15.69 yr)  
   first obs. used      2003-03-23  
   last obs. used      2018-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .67911  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 12:44:12  

Additional Information
 Earth MOID = 1.21498 au 
 Jupiter MOID = 2.42301 au 
 T_jup = 3.325 
[ 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 16.5   n/a MPO418708  

332757 (2009 UN46)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20120703/Numbers.arcLast Updated: 2012-07-09

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