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212112 (2005 ES176)
Classification: Main-belt Asteroid          SPK-ID: 2212112
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1145262828899403 5.054e-08  
a 2.553352873948618 1.7593e-08 au
q 2.260926860388937 1.3196e-07 au
i 15.18522902497929 4.8456e-06 deg
node 76.11338382055109 1.9829e-05 deg
peri 106.4596204112723 2.8722e-05 deg
M 313.1737541638678 2.2097e-05 deg
tp 2459394.343625875516
(2021-Jun-28.84362588)
9.1638e-05 TDB
period 1490.269058924624
4.08
1.5402e-05
4.217e-08
d
yr
n .2415671169203336 2.4966e-09 deg/d
Q 2.845778887508299 1.9607e-08 au
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      2000-01-10  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:40:44  

Additional Information
 Earth MOID = 1.31077 au 
 Jupiter MOID = 2.24794 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457885.5 (2017-May-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1149578882235928 5.0599e-08  
q 2.25970172005281 1.3219e-07 au
tp 2457906.505056857936
(2017-Jun-02.00505686)
9.1254e-05 TDB
node 76.12929970567544 1.984e-05 deg
peri 106.9649885835336 2.8689e-05 deg
i 15.1816435342392 4.8442e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      269  
   data-arc span      7684 days (21.04 yr)  
   first obs. used      2000-01-10  
   last obs. used      2021-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57671  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 12:40:44  

Additional Information
 Jupiter MOID = 2.24794 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.560211803019029E-15 -6.642652022837511E-15 -1.013135641337306E-12 2.248129839780236E-14 -2.0456152480338E-13 -2.454072147221222E-15
q -6.642652022837511E-15 1.74737209822137E-14 2.463481028949531E-12 -5.75213095032492E-14 4.881771213354309E-13 6.641217430764134E-15
tp -1.013135641337306E-12 2.463481028949531E-12 8.327278226224119E-9 2.575915190111502E-11 1.922527254057016E-9 7.47534448330996E-12
node 2.248129839780236E-14 -5.75213095032492E-14 2.575915190111502E-11 3.936214414234844E-10 -3.730506033119863E-10 4.651691540301169E-12
peri -2.0456152480338E-13 4.881771213354309E-13 1.922527254057016E-9 -3.730506033119863E-10 8.230324165305152E-10 -2.721462229400586E-12
i -2.454072147221222E-15 6.641217430764134E-15 7.47534448330996E-12 4.651691540301169E-12 -2.721462229400586E-12 2.346668814252442E-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 16.2   n/a MPO450006  

212112 (2005 ES176)          Discovered 2005-Mar-08 by LINEAR at Socorro
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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