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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 7 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2441694289282404 8.104e-08  
a 2.334683377556892 9.2119e-09 au
q 1.76462507053057 1.8966e-07 au
i 3.035413430907747 8.1879e-06 deg
node 66.49985550405093 0.00011824 deg
peri 287.7003138656407 0.00011953 deg
M 330.082361113796 1.3149e-05 deg
tp 2458708.784234023558
(2019-Aug-13.28423402)
4.7519e-05 TDB
period 1302.987993028317
3.57
7.7117e-06
2.111e-08
d
yr
n .2762880409690592 1.6352e-09 deg/d
Q 2.904741684583213 1.1461e-08 au
  Orbit Determination Parameters
   # obs. used (total)      256  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2001-08-19  
   last obs. used      2019-11-28  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .52564  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-04 22:56:03  

Additional Information
 Earth MOID = .761881 au 
 Jupiter MOID = 2.53613 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 17.6   n/a MPO440550  

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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