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249360 (2008 YW40)
Classification: Main-belt Asteroid          SPK-ID: 2249360
[ 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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06079759965142022 7.4415e-08  
a 2.76428769092565 3.2142e-08 au
q 2.596225634571403 1.9596e-07 au
i 7.603826777932712 7.847e-06 deg
node 332.3026590657163 5.8393e-05 deg
peri 168.8420078820062 0.00010546 deg
M 152.2236352708817 8.7246e-05 deg
tp 2458290.672411065332
(2018-Jun-21.17241107)		 0.00040196 TDB
period 1678.700758668333
4.60		 2.9279e-05
8.016e-08		 d
yr
n .2144515621030505 3.7404e-09 deg/d
Q 2.932349747279897 3.4097e-08 au
   Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7060 days (19.33 yr)  
   first obs. used      2000-02-29  
   last obs. used      2019-06-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58241  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 10:22:17  

Additional Information
 Earth MOID = 1.60909 au 
 Jupiter MOID = 2.07294 au 
 T_jup = 3.325 
[ 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 16.0   n/a MPO433634  
diameter diameter 3.777 km 0.444 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.054   0.015 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249360 (2008 YW40)          Discovered 2008-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 YW40 = 2000 DP19 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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