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JPL Small-Body Database Browser
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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 
[ 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 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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