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442329 (2011 SY159)
Classification: Main-belt Asteroid          SPK-ID: 2442329
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 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .14892767889101 9.3028e-08  
a 2.625729705847411 4.2276e-08 au
q 2.234685875360382 2.6744e-07 au
i 4.1560913469292 7.724e-06 deg
node 295.6916995432038 8.476e-05 deg
peri 59.16518250260195 8.8139e-05 deg
M 27.8639485564715 2.4655e-05 deg
tp 2458880.214407429026
(2020-Jan-31.71440743)
0.000105 TDB
period 1554.080292597063
4.25
3.7532e-05
1.028e-07
d
yr
n .2316482627795214 5.5945e-09 deg/d
Q 3.01677353633444 4.8572e-08 au
  Orbit Determination Parameters
   # obs. used (total)      167  
   data-arc span      4275 days (11.70 yr)  
   first obs. used      2007-10-21  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .48998  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:01  

Additional Information
 Earth MOID = 1.23312 au 
 Jupiter MOID = 2.4288 au 
 T_jup = 3.383 
[ 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 17.1   n/a MPO477088  

442329 (2011 SY159)          Discovered 2007-Oct-21 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SY159 = 2013 CO210 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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