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249366 (2008 YY168)
Classification: Main-belt Asteroid          SPK-ID: 2249366
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1408664217304666 7.8751e-08  
a 2.740411002140492 3.9778e-08 au
q 2.354379110198159 2.3585e-07 au
i 8.917874764569026 7.2681e-06 deg
node 299.6802702174568 5.3288e-05 deg
peri 344.4323198769825 6.0977e-05 deg
M 298.6160115438005 3.1785e-05 deg
tp 2458883.036514557709
(2020-Feb-03.53651456)
0.00014763 TDB
period 1656.997985938181
4.54
3.6078e-05
9.878e-08
d
yr
n .2172603727071946 4.7304e-09 deg/d
Q 3.126442894082825 4.5381e-08 au
  Orbit Determination Parameters
   # obs. used (total)      140  
   data-arc span      7092 days (19.42 yr)  
   first obs. used      1999-12-31  
   last obs. used      2019-06-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60721  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:18:42  

Additional Information
 Earth MOID = 1.3387 au 
 Jupiter MOID = 2.05181 au 
 T_jup = 3.318 
[ 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 MPO433634  
diameter diameter 3.330 km 0.204 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.004 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249366 (2008 YY168)          Discovered 2008-Dec-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20100824/Numbers.arcLast Updated: 2010-08-27

Alternate Designations
 2008 YY168 = 2000 AF252 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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