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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1508022332383232 6.1983e-08  
a 2.800467502326652 4.7883e-08 au
q 2.378150748864444 1.671e-07 au
i 8.867910674747872 9.16e-06 deg
node 20.90754079145326 4.1837e-05 deg
peri 60.67219602548016 5.1269e-05 deg
M 248.3328114703638 2.8758e-05 deg
tp 2459531.466735716123
(2021-Nov-12.96673572)
0.00014048 TDB
period 1711.765357171807
4.69
4.3902e-05
1.202e-07
d
yr
n .2103091983324134 5.3939e-09 deg/d
Q 3.22278425578886 5.5104e-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 = 1.40828 au 
 Jupiter MOID = 2.0943 au 
 T_jup = 3.291 
[ 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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