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249319 (2008 UN201)
Classification: Outer Main-belt Asteroid          SPK-ID: 2249319
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1163517541448355 6.2179e-08  
a 3.221589160455298 4.1451e-08 au
q 2.846751610502336 2.2399e-07 au
i 13.85154066616625 5.8316e-06 deg
node 53.18634585250246 2.3187e-05 deg
peri 352.8785660417698 3.2924e-05 deg
M 4.195545882444356 2.473e-05 deg
tp 2458975.885578455256
(2020-May-06.38557846)
0.00014488 TDB
period 2112.047396069769
5.78
4.0763e-05
1.116e-07
d
yr
n .170450720315231 3.2897e-09 deg/d
Q 3.59642671040826 4.6274e-08 au
  Orbit Determination Parameters
   # obs. used (total)      251  
   data-arc span      6229 days (17.05 yr)  
   first obs. used      2002-11-07  
   last obs. used      2019-11-27  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53034  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:21:41  

Additional Information
 Earth MOID = 1.85727 au 
 Jupiter MOID = 1.80062 au 
 T_jup = 3.133 
[ 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 15.2   n/a MPO454847  
diameter diameter 4.667 km 1.699 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.081   0.071 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249319 (2008 UN201)          Discovered 2008-Oct-28 by LINEAR at Socorro
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Alternate Designations
 2008 UN201 = 2002 VZ73 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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