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266832 (2009 UF4)
Classification: Main-belt Asteroid          SPK-ID: 2266832
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09326814895861192 1.0176e-07  
a 2.986310448013215 3.6979e-08 au
q 2.70778280031126 3.168e-07 au
i 1.023228175427989 9.4506e-06 deg
node 4.483345316246361 0.0002599 deg
peri 356.9158899466305 0.00026218 deg
M 47.42180128856602 2.9568e-05 deg
tp 2458752.200180965064
(2019-Sep-25.70018097)
0.00015645 TDB
period 1884.954439175416
5.16
3.5012e-05
9.586e-08
d
yr
n .1909860485314881 3.5474e-09 deg/d
Q 3.264838095715171 4.0428e-08 au
  Orbit Determination Parameters
   # obs. used (total)      199  
   data-arc span      5993 days (16.41 yr)  
   first obs. used      2003-05-31  
   last obs. used      2019-10-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57255  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 04:06:36  

Additional Information
 Earth MOID = 1.70469 au 
 Jupiter MOID = 2.16807 au 
 T_jup = 3.251 
[ 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 16.4   n/a MPO494442  

266832 (2009 UF4)          Discovered 2009-Oct-17 by BATTeRS at Bisei SG Center
Reference: 20110218/Numbers.arcLast Updated: 2011-02-22

Alternate Designations
 2009 UF4 = 2003 KS26 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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