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JPL Small-Body Database Browser
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442354 (2011 SW229)
Classification: Main-belt Asteroid          SPK-ID: 2442354
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1846807281058427 1.3678e-07  
a 2.62263700323793 5.1431e-08 au
q 2.138286491922624 3.8085e-07 au
i 13.7776063366299 1.312e-05 deg
node 4.415237460714457 5.0628e-05 deg
peri 344.524282541676 7.0131e-05 deg
M 286.3397163022495 4.5822e-05 deg
tp 2458917.921682981380
(2020-Mar-09.42168298)		 0.00020306 TDB
period 1551.33540270069
4.25		 4.5634e-05
1.249e-07		 d
yr
n .2320581348000458 6.8262e-09 deg/d
Q 3.106987514553236 6.093e-08 au
   Orbit Determination Parameters
   # obs. used (total)      81  
   data-arc span      5741 days (15.72 yr)  
   first obs. used      2001-04-16  
   last obs. used      2017-01-03  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62312  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:28  

Additional Information
 Earth MOID = 1.13516 au 
 Jupiter MOID = 2.33423 au 
 T_jup = 3.339 
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[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO353532  

442354 (2011 SW229)          Discovered 2007-Oct-14 by CSS at Catalina
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SW229 = 2007 TE412 
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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