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344200 (2001 QR5)
Classification: Main-belt Asteroid          SPK-ID: 2344200
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 .2318972379449158 6.3243e-08  
a 2.350370466603759 9.4652e-09 au
q 1.805326047251044 1.5201e-07 au
i 2.721094573259593 6.374e-06 deg
node 147.7123356403531 9.6496e-05 deg
peri 176.319711996798 9.8651e-05 deg
M 76.88074335244372 1.4057e-05 deg
tp 2458719.427742376845
(2019-Aug-23.92774238)
5.1701e-05 TDB
period 1316.142486818444
3.60
7.9503e-06
2.177e-08
d
yr
n .2735266155492329 1.6523e-09 deg/d
Q 2.895414885956473 1.166e-08 au
  Orbit Determination Parameters
   # obs. used (total)      221  
   data-arc span      6671 days (18.26 yr)  
   first obs. used      2001-07-27  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56992  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 10:23:10  

Additional Information
 Earth MOID = .793191 au 
 Jupiter MOID = 2.4424 au 
 T_jup = 3.520 
[ 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 MPO494801  

344200 (2001 QR5)          Discovered 2001-Aug-16 by LINEAR at Socorro
Reference: 20121128/Numbers.arcLast Updated: 2012-12-03

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