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243396 (2008 YZ171)
Classification: Main-belt Asteroid          SPK-ID: 2243396
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 18 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .08955459881432552 9.1316e-08  
a 3.166097379317086 6.1867e-08 au
q 2.882558798705257 3.1869e-07 au
i 12.62235972731889 6.4504e-06 deg
node 63.5744158547764 3.814e-05 deg
peri 84.94216341343891 5.9255e-05 deg
M 348.4864862289427 4.3193e-05 deg
tp 2459066.309745799696
(2020-Aug-04.80974580)		 0.0002474 TDB
period 2057.713132497082
5.63		 6.0313e-05
1.651e-07		 d
yr
n .174951500437348 5.128e-09 deg/d
Q 3.449635959928916 6.7408e-08 au
   Orbit Determination Parameters
   # obs. used (total)      276  
   data-arc span      5761 days (15.77 yr)  
   first obs. used      2004-03-28  
   last obs. used      2020-01-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 02:51:48  

Additional Information
 Earth MOID = 1.92989 au 
 Jupiter MOID = 1.70785 au 
 T_jup = 3.160 
[ 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 15.4   n/a MPO326093  
diameter diameter 5.159 km 0.274 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.050   0.010 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243396 (2008 YZ171)          Discovered 2008-Dec-30 by CSS at Catalina
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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