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JPL Small-Body Database Browser
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442362 (2011 ST241)
Classification: Main-belt Asteroid          SPK-ID: 2442362
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1248649641296665 1.2687e-07  
a 2.703088167707422 8.8396e-08 au
q 2.365567160607309 4.0527e-07 au
i 3.751917012325871 1.485e-05 deg
node 158.3688143344889 0.00015601 deg
peri 235.1228802461411 0.00017447 deg
M 320.3282849286581 9.8546e-05 deg
tp 2459179.382237894762
(2020-Nov-25.88223789)
0.00045108 TDB
period 1623.262456042241
4.44
7.9625e-05
2.18e-07
d
yr
n .2217755968296922 1.0879e-08 deg/d
Q 3.040609174807535 9.9433e-08 au
  Orbit Determination Parameters
   # obs. used (total)      48  
   data-arc span      4717 days (12.91 yr)  
   first obs. used      2002-09-12  
   last obs. used      2015-08-12  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52731  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:23  

Additional Information
 Earth MOID = 1.37397 au 
 Jupiter MOID = 2.3845 au 
 T_jup = 3.352 
[ 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 17.5   n/a MPO408997  

442362 (2011 ST241)          Discovered 2004-Jan-17 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 ST241 = 2004 BL8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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