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JPL Small-Body Database Browser
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233926 (2009 UN4)
Classification: Main-belt Asteroid          SPK-ID: 2233926
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1598005036087219 7.0755e-08  
a 2.367711953350724 2.615e-08 au
q 1.989350390804887 1.5895e-07 au
i .755040843846422 7.6559e-06 deg
node 287.2288429566235 0.00056355 deg
peri 150.9133704464301 0.00056432 deg
M 187.9055098613091 3.0695e-05 deg
tp 2459236.645108467473
(2021-Jan-22.14510847)
0.00011935 TDB
period 1330.735451575057
3.64
2.2046e-05
6.036e-08
d
yr
n .2705270980598768 4.4818e-09 deg/d
Q 2.74607351589656 3.0329e-08 au
  Orbit Determination Parameters
   # obs. used (total)      178  
   data-arc span      5582 days (15.28 yr)  
   first obs. used      2002-12-06  
   last obs. used      2018-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59146  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Apr-05 16:08:13  

Additional Information
 Earth MOID = 1.00474 au 
 Jupiter MOID = 2.49031 au 
 T_jup = 3.529 
[ 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 17.5   n/a MPO437099  

233926 (2009 UN4)          Discovered 2009-Oct-18 by BATTeRS at Bisei SG Center
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03

[ show close-approach data ]
Alternate Designations
 2009 UN4 = 2005 SH52 = 2009 UQ139 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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