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105491 (2000 QM227)
Classification: Main-belt Asteroid          SPK-ID: 2105491
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .129214483343675 3.3065e-08  
a 2.774721570611267 1.3505e-08 au
q 2.416187356442181 9.2452e-08 au
i 11.95288896868359 4.0321e-06 deg
node 182.2123073922943 1.7611e-05 deg
peri 250.9986259071109 2.5215e-05 deg
M 26.1338773766217 1.5831e-05 deg
tp 2458877.945604917236
(2020-Jan-29.44560492)
7.432e-05 TDB
period 1688.214174803727
4.62
1.2325e-05
3.374e-08
d
yr
n .2132430857250999 1.5568e-09 deg/d
Q 3.133255784780352 1.525e-08 au
  Orbit Determination Parameters
   # obs. used (total)      728  
   data-arc span      7981 days (21.85 yr)  
   first obs. used      1998-03-24  
   last obs. used      2020-01-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52324  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-24 02:23:51  

Additional Information
 Earth MOID = 1.46083 au 
 Jupiter MOID = 2.24572 au 
 T_jup = 3.292 
[ 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 15.3   n/a MPO412758  

105491 (2000 QM227)          Discovered 2000-Aug-31 by LINEAR at Socorro
Reference: 20051019/Numbers.arcLast Updated: 2005-10-26

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