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JPL Small-Body Database Browser
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185309 (2006 UN291)
Classification: Main-belt Asteroid          SPK-ID: 2185309
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1515808552954117 5.5201e-08  
a 2.396627094792749 1.3055e-08 au
q 2.033344309939906 1.3523e-07 au
i 6.144972715508698 5.0917e-06 deg
node 75.33678906058311 5.7615e-05 deg
peri 342.2018091250251 6.1206e-05 deg
M 228.6794802754575 2.1484e-05 deg
tp 2459494.843941847771
(2021-Oct-07.34394185)
8.2727e-05 TDB
period 1355.186679419896
3.71
1.1073e-05
3.032e-08
d
yr
n .2656460585593288 2.1706e-09 deg/d
Q 2.759909879645591 1.5034e-08 au
  Orbit Determination Parameters
   # obs. used (total)      457  
   data-arc span      9516 days (26.05 yr)  
   first obs. used      1993-04-17  
   last obs. used      2019-05-07  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57191  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 07:52:37  

Additional Information
 Earth MOID = 1.04667 au 
 Jupiter MOID = 2.5652 au 
 T_jup = 3.505 
[ 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 MPO338428  

185309 (2006 UN291)          Discovered 2006-Oct-27 by Rinner, C. at Ottmarsheim
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2006 UN291 = 2004 DA76 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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