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JPL Small-Body Database Browser
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185445 (2006 YA2)
Classification: Main-belt Asteroid          SPK-ID: 2185445
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06711694329712928 8.297e-08  
a 3.148028339999513 5.1635e-08 au
q 2.93674230040601 2.7608e-07 au
i 22.81370052574913 7.9624e-06 deg
node 279.8144771110221 2.0241e-05 deg
peri 23.45242789014696 5.8523e-05 deg
M 304.4726917271775 5.5051e-05 deg
tp 2459315.173736798987
(2021-Apr-10.67373680)
0.00031342 TDB
period 2040.123117278511
5.59
5.0194e-05
1.374e-07
d
yr
n .1764599385944088 4.3415e-09 deg/d
Q 3.359314379593017 5.5101e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      6715 days (18.38 yr)  
   first obs. used      2000-11-19  
   last obs. used      2019-04-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .54932  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 08:42:45  

Additional Information
 Earth MOID = 1.92901 au 
 Jupiter MOID = 1.83561 au 
 T_jup = 3.084 
[ 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 14.4   n/a MPO433216  
diameter diameter 6.617 km 0.205 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.064   0.018 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

185445 (2006 YA2)          Discovered 2006-Dec-17 by Yeung, W. K. Y. at 7300
Reference: 20080420/Numbers.arcLast Updated: 2008-04-23

[ show close-approach data ]
Alternate Designations
 2006 YA2 = 2004 PO36 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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