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442208 (2011 GL72)
Classification: Main-belt Asteroid          SPK-ID: 2442208
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 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09657263053691072 9.2897e-08  
a 2.239591202133008 4.0837e-08 au
q 2.023307988415701 2.0421e-07 au
i 8.184733564475302 9.6379e-06 deg
node 127.3206209094159 8.0113e-05 deg
peri 115.2395274734659 0.00012867 deg
M 232.6353542191254 0.00010774 deg
tp 2459433.609736889466
(2021-Aug-07.10973689)
0.00037516 TDB
period 1224.197691001791
3.35
3.3483e-05
9.167e-08
d
yr
n .2940701511251856 8.0432e-09 deg/d
Q 2.455874415850314 4.4781e-08 au
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      5177 days (14.17 yr)  
   first obs. used      2001-06-15  
   last obs. used      2015-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59478  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:53  

Additional Information
 Earth MOID = 1.02527 au 
 Jupiter MOID = 2.57876 au 
 T_jup = 3.616 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456126.5 (2012-Jul-18.0) TDB
Reference: JPL 8 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09722132566269738 9.3169e-08  
q 2.021231160450752 2.0541e-07 au
tp 2455759.545294954894
(2011-Jul-17.04529495)
0.0003037 TDB
node 127.409243276354 8.0241e-05 deg
peri 114.645624077696 0.00012796 deg
i 8.179092628966229 9.6322e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      42  
   data-arc span      5177 days (14.17 yr)  
   first obs. used      2001-06-15  
   last obs. used      2015-08-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59478  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:30:53  

Additional Information
 Jupiter MOID = 2.57876 au 
 T_jup = 3.616 
Orbit Covariance (6×6)
  e q tp node peri i
e 8.680435812196111E-15 -1.883288181529584E-14 -2.706030353197989E-12 -1.357293122164819E-13 -3.483710903690848E-13 -6.460089753210912E-14
q -1.883288181529584E-14 4.219124633846028E-14 1.276224817010182E-11 2.750437397759E-13 3.103079026429621E-12 1.552416149653693E-13
tp -2.706030353197989E-12 1.276224817010182E-11 9.22336146076624E-8 -5.714388850733097E-11 3.0334922473344E-8 2.115117984448095E-10
node -1.357293122164819E-13 2.750437397759E-13 -5.714388850733097E-11 6.438637449809574E-9 -6.400573625261468E-9 2.514831514720605E-10
peri -3.483710903690848E-13 3.103079026429621E-12 3.0334922473344E-8 -6.400573625261468E-9 1.637467452368104E-8 -1.826588725901235E-10
i -6.460089753210912E-14 1.552416149653693E-13 2.115117984448095E-10 2.514831514720605E-10 -1.826588725901235E-10 9.277899341310318E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 18.1   n/a MPO342995  

442208 (2011 GL72)          Discovered 2011-Apr-11 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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