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212322 (2005 QM146)
Classification: Main-belt Asteroid          SPK-ID: 2212322
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1889590066591681 7.0263e-08  
a 3.099656696248671 3.758e-08 au
q 2.513948645941083 2.1462e-07 au
i 16.88280714716709 8.0797e-06 deg
node 353.9263945982021 2.0571e-05 deg
peri 299.5864642409683 2.763e-05 deg
M 201.5368321920145 1.8551e-05 deg
tp 2459477.893986961983
(2021-Sep-20.39398696)
0.00010931 TDB
period 1993.282348672045
5.46
3.625e-05
9.925e-08
d
yr
n .1806066261710678 3.2845e-09 deg/d
Q 3.685364746556259 4.4681e-08 au
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6691 days (18.32 yr)  
   first obs. used      2000-10-03  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:27:08  

Additional Information
 Earth MOID = 1.54674 au 
 Jupiter MOID = 1.8643 au 
 T_jup = 3.129 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457187.5 (2015-Jun-14.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1879022626474227 7.0297e-08  
q 2.517164304058687 2.1453e-07 au
tp 2457483.845274860143
(2016-Apr-05.34527486)
9.8072e-05 TDB
node 353.9570192903776 2.0566e-05 deg
peri 299.5575884137642 2.7703e-05 deg
i 16.88336196608571 8.0794e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      226  
   data-arc span      6691 days (18.32 yr)  
   first obs. used      2000-10-03  
   last obs. used      2019-01-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5837  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:27:08  

Additional Information
 Jupiter MOID = 1.8643 au 
 T_jup = 3.129 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.941649312995327E-15 -1.493340163336198E-14 3.028717069110052E-12 -3.570880211007004E-14 4.607852152788257E-13 8.355776635505452E-16
q -1.493340163336198E-14 4.602393501928552E-14 -8.892957946286123E-12 1.064011985534178E-13 -1.376272144949412E-12 1.152778210069818E-14
tp 3.028717069110052E-12 -8.892957946286123E-12 9.61821027963859E-9 -4.220536766925572E-11 1.847042705339497E-9 -1.119637932371009E-11
node -3.570880211007004E-14 1.064011985534178E-13 -4.220536766925572E-11 4.229747581990234E-10 -4.113054070167411E-10 -4.868140368941949E-11
peri 4.607852152788257E-13 -1.376272144949412E-12 1.847042705339497E-9 -4.113054070167411E-10 7.674427235781858E-10 4.432675342385923E-11
i 8.355776635505452E-16 1.152778210069818E-14 -1.119637932371009E-11 -4.868140368941949E-11 4.432675342385923E-11 6.527714566289629E-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 15.2   n/a MPO433387  

212322 (2005 QM146)          Discovered 2005-Aug-28 by Siding Spring Survey at Siding Spring
Reference: 20090409/Numbers.arcLast Updated: 2009-04-10

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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