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266845 (2009 UW43)
Classification: Main-belt Asteroid          SPK-ID: 2266845
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09230235855725534 5.1341e-08  
a 2.667471666839306 2.0475e-08 au
q 2.421257740605385 1.4095e-07 au
i 1.892503121273209 4.8589e-06 deg
node 36.26718519688412 0.0001788 deg
peri 299.8770504412227 0.00018074 deg
M 248.5096468380598 2.7917e-05 deg
tp 2459693.313890051255
(2022-Apr-23.81389005)
0.00012468 TDB
period 1591.285661825457
4.36
1.8322e-05
5.016e-08
d
yr
n .2262321647434584 2.6048e-09 deg/d
Q 2.913685593073227 2.2365e-08 au
  Orbit Determination Parameters
   # obs. used (total)      180  
   data-arc span      9509 days (26.03 yr)  
   first obs. used      1994-03-10  
   last obs. used      2020-03-22  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62615  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 03:17:28  

Additional Information
 Earth MOID = 1.41038 au 
 Jupiter MOID = 2.39089 au 
 T_jup = 3.376 
[ 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 17.20   n/a E2021B55  

266845 (2009 UW43)          Discovered 2009-Oct-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UW43 = 2003 GK28 = 2005 WH163 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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