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249361 (2008 YM89)
Classification: Main-belt Asteroid          SPK-ID: 2249361
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1388266800014817 5.6836e-08  
a 2.654020079087934 3.3075e-08 au
q 2.285571282850886 1.609e-07 au
i 10.740026657982 9.5739e-06 deg
node 290.0921894539443 4.0576e-05 deg
peri 318.9524654682161 5.913e-05 deg
M 7.190122724372835 4.389e-05 deg
tp 2458568.958050243694
(2019-Mar-26.45805024)
0.00019251 TDB
period 1579.263991389034
4.32
2.9521e-05
8.082e-08
d
yr
n .2279542888097915 4.2612e-09 deg/d
Q 3.022468875324981 3.7666e-08 au
  Orbit Determination Parameters
   # obs. used (total)      212  
   data-arc span      5713 days (15.64 yr)  
   first obs. used      2002-07-22  
   last obs. used      2018-03-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56286  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 09:55:24  

Additional Information
 Earth MOID = 1.2824 au 
 Jupiter MOID = 2.10151 au 
 T_jup = 3.350 
[ 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 16.2   n/a MPO437158  
diameter diameter 3.163 km 0.135 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.044   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249361 (2008 YM89)          Discovered 2008-Dec-29 by Spacewatch at Kitt Peak
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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