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249359 (2008 YK38)
Classification: Main-belt Asteroid          SPK-ID: 2249359
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1267127870520593 4.5614e-08  
a 2.750564619850754 3.1731e-08 au
q 2.402032910902677 1.2329e-07 au
i 8.726094488269762 4.9064e-06 deg
node 108.0586092630503 4.1861e-05 deg
peri 337.0921103392989 5.2789e-05 deg
M 240.4175000056157 3.8852e-05 deg
tp 2459753.972864500284
(2022-Jun-23.47286450)
0.00018703 TDB
period 1666.215635477259
4.56
2.8833e-05
7.894e-08
d
yr
n .2160584694650787 3.7388e-09 deg/d
Q 3.099096328798831 3.5752e-08 au
  Orbit Determination Parameters
   # obs. used (total)      259  
   data-arc span      9297 days (25.45 yr)  
   first obs. used      1994-12-10  
   last obs. used      2020-05-24  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .64328  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 02:07:10  

Additional Information
 Earth MOID = 1.42073 au 
 Jupiter MOID = 2.09965 au 
 T_jup = 3.317 
[ 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 16.30   n/a E2021B55  
diameter diameter 3.010 km 0.438 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.058   0.028 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

249359 (2008 YK38)          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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