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JPL Small-Body Database Browser
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442344 (2011 SW207)
Classification: Main-belt Asteroid          SPK-ID: 2442344
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 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1735920041498479 1.3051e-07  
a 2.580682832475728 3.9525e-08 au
q 2.13269692751116 3.6047e-07 au
i 8.610580374948592 1.2485e-05 deg
node 344.9209880112346 4.323e-05 deg
peri 25.40535052684302 6.8147e-05 deg
M 287.0936886398857 5.3631e-05 deg
tp 2458907.164144824255
(2020-Feb-27.66414482)
0.00023129 TDB
period 1514.259740716073
4.15
3.4788e-05
9.524e-08
d
yr
n .2377399268567762 5.4618e-09 deg/d
Q 3.028668737440296 4.6387e-08 au
  Orbit Determination Parameters
   # obs. used (total)      106  
   data-arc span      4371 days (11.97 yr)  
   first obs. used      2007-09-09  
   last obs. used      2019-08-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60381  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:03  

Additional Information
 Earth MOID = 1.13418 au 
 Jupiter MOID = 2.44611 au 
 T_jup = 3.388 
[ 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 MPO456095  

442344 (2011 SW207)          Discovered 2007-Sep-09 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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