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423674 (2005 YA189)
Classification: Main-belt Asteroid          SPK-ID: 2423674
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .303335109052509 7.397e-08  
a 2.75023698182622 3.9307e-08 au
q 1.91599354702372 2.0349e-07 au
i 26.67115552017552 2.0527e-05 deg
node 138.6830647932629 1.2503e-05 deg
peri 83.73675749194533 4.223e-05 deg
M 6.674267300249566 4.0537e-05 deg
tp 2458969.614495590899
(2020-Apr-30.11449559)
0.00018716 TDB
period 1665.917933322898
4.56
3.5714e-05
9.778e-08
d
yr
n .2160970794533266 4.6327e-09 deg/d
Q 3.58448041662872 5.123e-08 au
  Orbit Determination Parameters
   # obs. used (total)      208  
   data-arc span      5122 days (14.02 yr)  
   first obs. used      2005-12-28  
   last obs. used      2020-01-06  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60288  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Jan-30 11:05:20  

Additional Information
 Earth MOID = 1.10241 au 
 Jupiter MOID = 2.06816 au 
 T_jup = 3.130 
[ 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 16.6   n/a MPO456024  
diameter diameter 3.296 km 0.956 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.045   0.039 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

423674 (2005 YA189)          Discovered 2005-Dec-28 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-02-04
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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