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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .02301520533141726 7.8906e-08  
a 1.830955710075928 2.379e-08 au
q 1.788815888455799 1.5234e-07 au
i 45.28750545382027 1.4295e-05 deg
node 120.0912858809511 1.0211e-05 deg
peri 80.6062641277624 0.000669 deg
M 255.8825396239821 0.00064919 deg
tp 2458862.219601874599
(2020-Jan-13.71960187)
0.0016304 TDB
period 904.9304154614005
2.48
1.7637e-05
4.829e-08
d
yr
n .3978206432772462 7.7536e-09 deg/d
Q 1.873095531696056 2.4338e-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 = .81966 au 
 Jupiter MOID = 3.26058 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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