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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .0897975633681351 9.7076e-08  
a 3.166299925123269 7.5137e-08 au
q 2.881973906954491 3.2529e-07 au
i 12.62383114864885 7.0353e-06 deg
node 63.57881861306286 4.6788e-05 deg
peri 85.02993949387343 6.8797e-05 deg
M 278.4480364517975 5.1161e-05 deg
tp 2459066.685138144114
(2020-Aug-05.18513814)
0.00030056 TDB
period 2057.910593810347
5.63
7.3252e-05
2.006e-07
d
yr
n .1749347134335113 6.2269e-09 deg/d
Q 3.450625943292048 8.1884e-08 au
  Orbit Determination Parameters
   # obs. used (total)      243  
   data-arc span      5706 days (15.62 yr)  
   first obs. used      2004-03-28  
   last obs. used      2019-11-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59031  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 18:26:40  

Additional Information
 Earth MOID = 1.92976 au 
 Jupiter MOID = 1.7081 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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