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442335 (2011 SJ175)
Classification: Main-belt Asteroid          SPK-ID: 2442335
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2056009059263884 1.4334e-07  
a 2.675562296658028 6.1432e-08 au
q 2.125464264602649 4.1855e-07 au
i 6.885910167480371 1.1606e-05 deg
node 19.01788025707414 8.8598e-05 deg
peri 341.6303408711303 9.5239e-05 deg
M 359.901733724461 4.2551e-05 deg
tp 2459000.936337986262
(2020-May-31.43633799)
0.00018895 TDB
period 1598.53087127362
4.38
5.5055e-05
1.507e-07
d
yr
n .2252067860992713 7.7563e-09 deg/d
Q 3.225660328713406 7.4063e-08 au
  Orbit Determination Parameters
   # obs. used (total)      76  
   data-arc span      5689 days (15.58 yr)  
   first obs. used      2002-08-19  
   last obs. used      2018-03-17  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53525  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:20:38  

Additional Information
 Earth MOID = 1.12405 au 
 Jupiter MOID = 2.23038 au 
 T_jup = 3.338 
[ 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 17.0   n/a MPO440831  

442335 (2011 SJ175)          Discovered 2007-Dec-16 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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