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442547 (2011 YQ39)
Classification: Inner Main-belt Asteroid          SPK-ID: 2442547
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02302141951627881 8.0289e-08  
a 1.83100068304062 2.3688e-08 au
q 1.788848448181748 1.5491e-07 au
i 45.28920054735549 1.4295e-05 deg
node 120.0909682955302 1.021e-05 deg
peri 81.04458399808765 0.00066779 deg
M 54.58664166412709 0.00064711 deg
tp 2458863.280743582082
(2020-Jan-14.78074358)
0.0016275 TDB
period 904.9637567814331
2.48
1.7562e-05
4.808e-08
d
yr
n .3978059864854314 7.7198e-09 deg/d
Q 1.873152917899491 2.4233e-08 au
  Orbit Determination Parameters
   # obs. used (total)      153  
   data-arc span      4309 days (11.80 yr)  
   first obs. used      2005-06-01  
   last obs. used      2017-03-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55344  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:27:35  

Additional Information
 Earth MOID = .820127 au 
 Jupiter MOID = 3.25959 au 
 T_jup = 3.676 
[ 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 17.7   n/a MPO437721  

442547 (2011 YQ39)          Discovered 2010-Jun-17 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 YQ39 = 2010 MS 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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