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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1734483575762338 1.3037e-07  
a 2.579662775640517 3.8897e-08 au
q 2.132224504105121 3.5959e-07 au
i 8.612372074683998 1.2488e-05 deg
node 344.9052550306195 4.3219e-05 deg
peri 25.56275336364518 6.8266e-05 deg
M 22.1015962274758 5.5567e-05 deg
tp 2458907.589676556308
(2020-Feb-28.08967656)
0.00023188 TDB
period 1513.362025777501
4.14
3.4228e-05
9.371e-08
d
yr
n .2378809523881421 5.3802e-09 deg/d
Q 3.027101047175913 4.5643e-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 = 1.13464 au 
 Jupiter MOID = 2.45153 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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