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344203 (2001 QR123)
Classification: Main-belt Asteroid          SPK-ID: 2344203
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2442711875590276 8.0511e-08  
a 2.334955008229951 9.0882e-09 au
q 1.764592775472722 1.8851e-07 au
i 3.035234124796029 8.0787e-06 deg
node 66.49899763036875 0.00011245 deg
peri 287.7393970675056 0.00011378 deg
M 80.55698098994972 1.2957e-05 deg
tp 2458708.880283781492
(2019-Aug-13.38028378)
4.7101e-05 TDB
period 1303.215395469705
3.57
7.6087e-06
2.083e-08
d
yr
n .2762398305387183 1.6128e-09 deg/d
Q 2.905317240987181 1.1308e-08 au
  Orbit Determination Parameters
   # obs. used (total)      272  
   data-arc span      6727 days (18.42 yr)  
   first obs. used      2001-08-19  
   last obs. used      2020-01-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52509  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 23:00:52  

Additional Information
 Earth MOID = .762748 au 
 Jupiter MOID = 2.53926 au 
 T_jup = 3.526 
[ 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 17.7   n/a MPO503387  

344203 (2001 QR123)          Discovered 2001-Aug-19 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

[ show close-approach data ]
Alternate Designations
 2001 QR123 = 2005 YX282 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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