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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 ]

[ 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 .184168847389989 1.3689e-07  
a 2.621039380131249 5.0809e-08 au
q 2.138325578528706 3.8037e-07 au
i 13.77862004622671 1.3126e-05 deg
node 4.376031419036366 5.0626e-05 deg
peri 344.6572250507311 7.0291e-05 deg
M 19.10197268521574 4.7686e-05 deg
tp 2458918.259741834360
(2020-Mar-09.75974183)
0.00020385 TDB
period 1549.91808581868
4.24
4.5068e-05
1.234e-07
d
yr
n .2322703395062616 6.7538e-09 deg/d
Q 3.103753181733793 6.0166e-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 = 1.13606 au 
 Jupiter MOID = 2.34104 au 
 T_jup = 3.340 
[ 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 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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