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JPL Small-Body Database Browser
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442327 (2011 SO144)
Classification: Main-belt Asteroid          SPK-ID: 2442327
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1502502198030334 6.2487e-08  
a 2.803456303405108 4.6687e-08 au
q 2.382236377610291 1.6847e-07 au
i 8.877418113918152 9.1648e-06 deg
node 21.15675539922669 4.1741e-05 deg
peri 59.71105450618971 5.1319e-05 deg
M 165.1870575932498 2.8418e-05 deg
tp 2457813.793695808395
(2017-Mar-01.29369581)
0.00013309 TDB
period 1714.506412520244
4.69
4.2829e-05
1.173e-07
d
yr
n .2099729679463939 5.2452e-09 deg/d
Q 3.224676229199924 5.3702e-08 au
  Orbit Determination Parameters
   # obs. used (total)      131  
   data-arc span      3757 days (10.29 yr)  
   first obs. used      2007-12-30  
   last obs. used      2018-04-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57553  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:20:21  

Additional Information
 Earth MOID = 1.41184 au 
 Jupiter MOID = 2.09673 au 
 T_jup = 3.290 
[ 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 16.8   n/a MPO437720  

442327 (2011 SO144)          Discovered 2007-Dec-30 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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