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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 
[ show covariance matrix ]

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

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1936-Mar-22 06:47 < 00:01 Iris 0.0429368003384065 0.0429295096428463 0.0429440988869517 6.73403648991921 6.73403647003685 2428249.782463816 0.31175218381672 992.136607757818 46.5882493047477 -68.6585127994208 128413.703764893 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 02:45:18 2020-Feb-25 02:45
2018-Jun-24 09:19 < 00:01 Iris 0.0327521344601374 0.0327504013809734 0.0327538676115823 7.09241979083336 7.09241976608543 2458293.888244900 0.281511201571061 129.83919015818 52.799858469918 -54.7842285793496 78859.4819923121 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 02:45:18 2020-Feb-25 02:45
2191-Apr-19 20:34 00:06 Amphi 0.039254126068923 0.0392143381831552 0.0392939156198632 3.92470965620687 3.92470961889215 2521415.357157553 6.37762907087244 2023.8189469762 41.4549811035472 11.5043054594013 28377.2722314014 T 16 CATAB v2.0f-lin.ifort 2020-Feb-25 02:45:18 2020-Feb-25 02:45

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