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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 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146133277216798 5.5459e-08  
a 2.553114366780544 2.2955e-08 au
q 2.260493433149797 1.3957e-07 au
i 15.18655876069361 5.6734e-06 deg
node 76.11546339560721 2.2589e-05 deg
peri 106.516406754433 3.4347e-05 deg
M 264.8103037456433 3.097e-05 deg
tp 2459394.495508826374
(2021-Jun-28.99550883)
0.00013071 TDB
period 1490.060256085784
4.08
2.0096e-05
5.502e-08
d
yr
n .2416009678331253 3.2584e-09 deg/d
Q 2.845735300411292 2.5586e-08 au
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2000-01-10  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58143  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:32  

Additional Information
 Earth MOID = 1.311 au 
 Jupiter MOID = 2.249 au 
 T_jup = 3.381 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457418.5 (2016-Jan-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1146172496589902 5.5642e-08  
q 2.260103644831269 1.3996e-07 au
tp 2457906.571600511002
(2017-Jun-02.07160051)
0.00012173 TDB
node 76.13751661914044 2.2607e-05 deg
peri 106.9602677613334 3.4294e-05 deg
i 15.18130026239947 5.6716e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      210  
   data-arc span      7232 days (19.80 yr)  
   first obs. used      2000-01-10  
   last obs. used      2019-10-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58143  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-07 23:43:32  

Additional Information
 Jupiter MOID = 2.249 au 
 T_jup = 3.381 
Orbit Covariance (6×6)
  e q tp node peri i
e 3.096065451334842E-15 -7.707366002819187E-15 6.566964712876779E-13 3.554736353167655E-14 1.097032376737209E-13 -4.29083264533181E-17
q -7.707366002819187E-15 1.958773932501542E-14 -7.994389893092491E-13 -8.353159187921853E-14 -1.238458099364926E-13 1.756127410595035E-15
tp 6.566964712876779E-13 -7.994389893092491E-13 1.481841824556956E-8 8.579338195930646E-11 3.179875331674411E-9 1.024365566893149E-11
node 3.554736353167655E-14 -8.353159187921853E-14 8.579338195930646E-11 5.110896643612682E-10 -4.738392876631201E-10 -2.029616232804654E-11
peri 1.097032376737209E-13 -1.238458099364926E-13 3.179875331674411E-9 -4.738392876631201E-10 1.176110221232129E-9 2.177309017775622E-11
i -4.29083264533181E-17 1.756127410595035E-15 1.024365566893149E-11 -2.029616232804654E-11 2.177309017775622E-11 3.216682596159389E-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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