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212391 (2006 HG111)
Classification: Main-belt Asteroid          SPK-ID: 2212391
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1174121754128264 4.4635e-08  
a 2.180748742182998 1.0326e-08 au
q 1.924702288334507 9.6662e-08 au
i 4.049267652747926 5.104e-06 deg
node 249.3121959296918 5.6747e-05 deg
peri 341.9162432268843 6.0521e-05 deg
M 127.623225313402 1.903e-05 deg
tp 2458583.501888577948
(2019-Apr-10.00188858)
6.289e-05 TDB
period 1176.26959938752
3.22
8.3542e-06
2.287e-08
d
yr
n .3060522861318959 2.1737e-09 deg/d
Q 2.436795196031488 1.1538e-08 au
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1994-10-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:45:04  

Additional Information
 Earth MOID = .914281 au 
 Jupiter MOID = 2.55534 au 
 T_jup = 3.669 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457317.5 (2015-Oct-22.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1170043700432726 4.4702e-08  
q 1.925962147700738 9.6765e-08 au
tp 2457406.805332159295
(2016-Jan-19.30533216)
6.5798e-05 TDB
node 249.3319346771714 5.6748e-05 deg
peri 341.9274918053196 6.0537e-05 deg
i 4.048605652452553 5.1034e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      380  
   data-arc span      9063 days (24.81 yr)  
   first obs. used      1994-10-27  
   last obs. used      2019-08-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55303  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 02:45:04  

Additional Information
 Jupiter MOID = 2.55534 au 
 T_jup = 3.669 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.998257598175952E-15 -4.306613950102752E-15 5.127741490189361E-13 2.397306792033723E-14 7.269879366928324E-14 4.535576548827691E-16
q -4.306613950102752E-15 9.363509010764618E-15 -1.344862804967146E-12 -5.299518747079401E-14 -2.335134915513358E-13 -5.565260360574276E-16
tp 5.127741490189361E-13 -1.344862804967146E-12 4.329367107410313E-9 1.250174606588591E-11 1.393468609481045E-9 -4.095748646026745E-12
node 2.397306792033723E-14 -5.299518747079401E-14 1.250174606588591E-11 3.220361247384128E-9 -3.208225034310576E-9 9.157587301828868E-11
peri 7.269879366928324E-14 -2.335134915513358E-13 1.393468609481045E-9 -3.208225034310576E-9 3.664683338555563E-9 -9.269063710213719E-11
i 4.535576548827691E-16 -5.565260360574276E-16 -4.095748646026745E-12 9.157587301828868E-11 -9.269063710213719E-11 2.604480532173552E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO433388  

212391 (2006 HG111)          Discovered 2006-Apr-26 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Alternate Designations
 2006 HG111 = 2001 XE250 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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