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233258 (2005 YA157)
Classification: Main-belt Asteroid          SPK-ID: 2233258
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 .1437224320277391 7.4653e-08  
a 2.645613758913788 2.0464e-08 au
q 2.265379715276649 2.0726e-07 au
i 12.88705555456333 6.3411e-06 deg
node 109.4585565152222 2.668e-05 deg
peri 41.4216974645808 4.0651e-05 deg
M 356.5446159405648 2.4859e-05 deg
tp 2458615.586271259264
(2019-May-12.08627126)
0.00010855 TDB
period 1571.766715339523
4.30
1.8236e-05
4.993e-08
d
yr
n .2290416233443619 2.6575e-09 deg/d
Q 3.025847802550926 2.3405e-08 au
  Orbit Determination Parameters
   # obs. used (total)      316  
   data-arc span      7647 days (20.94 yr)  
   first obs. used      1998-04-24  
   last obs. used      2019-04-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62232  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:22:40  

Additional Information
 Earth MOID = 1.29454 au 
 Jupiter MOID = 2.05416 au 
 T_jup = 3.343 
[ 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 16.1   n/a MPO422903  
diameter diameter 3.834 km 0.349 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.069   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

233258 (2005 YA157)          Discovered 2005-Dec-27 by Spacewatch at Kitt Peak
Reference: 20100228/Numbers.arcLast Updated: 2010-03-03
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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