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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06031921277412606 7.4236e-08  
a 2.761773711848087 3.2039e-08 au
q 2.595185695689135 1.9569e-07 au
i 7.597636206299223 7.9838e-06 deg
node 332.4145505816804 5.8556e-05 deg
peri 167.4374350962664 0.00010688 deg
M 67.79729089578508 8.8256e-05 deg
tp 2458284.788498620576
(2018-Jun-15.28849862)		 0.00040862 TDB
period 1676.411239960893
4.59		 2.9172e-05
7.987e-08		 d
yr
n .2147444442142955 3.7369e-09 deg/d
Q 2.92836172800704 3.3972e-08 au
   Orbit Determination Parameters
   # obs. used (total)      202  
   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      .59648  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:41  

Additional Information
 Earth MOID = 1.60884 au 
 Jupiter MOID = 2.0798 au 
 T_jup = 3.326 
[ 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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