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249326 (2008 UU316)
Classification: Main-belt Asteroid          SPK-ID: 2249326
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03394847238274794 5.5347e-08  
a 2.91101472815503 3.4969e-08 au
q 2.812190225050487 1.5877e-07 au
i 10.00996704079239 7.4932e-06 deg
node 294.2105057602587 3.3401e-05 deg
peri 252.5629454785357 0.00010924 deg
M 39.72511560164533 0.00010461 deg
tp 2458800.316766543136
(2019-Nov-12.81676654)
0.00052688 TDB
period 1814.115905089683
4.97
3.2688e-05
8.949e-08
d
yr
n .1984437703180839 3.5757e-09 deg/d
Q 3.009839231259574 3.6156e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      9155 days (25.07 yr)  
   first obs. used      1994-01-04  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53712  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 11:37:59  

Additional Information
 Earth MOID = 1.83524 au 
 Jupiter MOID = 2.06846 au 
 T_jup = 3.260 
[ 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 16.2   n/a MPO470660  
diameter diameter 3.764 km 0.718 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.038   0.016 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249326 (2008 UU316)          Discovered 2008-Oct-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 UU316 = 2003 YN41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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