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441865 (2009 YZ2)
Classification: Main-belt Asteroid          SPK-ID: 2441865
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1787833651154315 6.3999e-08  
a 2.619669803220827 2.4456e-08 au
q 2.151316420309727 1.6133e-07 au
i 3.883337054079245 7.6095e-06 deg
node 258.0079077843853 0.00010122 deg
peri 266.3104142375265 0.00010458 deg
M 122.0597978066814 2.3729e-05 deg
tp 2458475.404370734388
(2018-Dec-22.90437073)
0.00010105 TDB
period 1548.703421867154
4.24
2.1687e-05
5.938e-08
d
yr
n .2324525115118396 3.2552e-09 deg/d
Q 3.088023186131927 2.8829e-08 au
  Orbit Determination Parameters
   # obs. used (total)      128  
   data-arc span      6243 days (17.09 yr)  
   first obs. used      2002-04-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .63449  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 10:37:56  

Additional Information
 Earth MOID = 1.16317 au 
 Jupiter MOID = 1.91933 au 
 T_jup = 3.379 
[ 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 17.4   n/a MPO428081  

441865 (2009 YZ2)          Discovered 2009-Dec-17 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

[ show close-approach data ]
Alternate Designations
 2009 YZ2 = 2006 CW32 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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