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268311 (2005 QU140)
Classification: Main-belt Asteroid          SPK-ID: 2268311
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1368694764250593 4.1825e-08  
a 2.384218987610337 1.2473e-08 au
q 2.057892183093426 9.8713e-08 au
i 7.038877405119496 5.1794e-06 deg
node 157.2461874653908 3.2869e-05 deg
peri 166.557464986685 3.6969e-05 deg
M 13.01395263155178 1.6294e-05 deg
tp 2458951.890141012658
(2020-Apr-12.39014101)
6.0812e-05 TDB
period 1344.675959017723
3.68
1.0552e-05
2.889e-08
d
yr
n .2677224929811176 2.1009e-09 deg/d
Q 2.710545792127249 1.4181e-08 au
  Orbit Determination Parameters
   # obs. used (total)      319  
   data-arc span      7569 days (20.72 yr)  
   first obs. used      2000-02-03  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .53018  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:13:45  

Additional Information
 Earth MOID = 1.04666 au 
 Jupiter MOID = 2.60638 au 
 T_jup = 3.513 
[ 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 16.7   n/a MPO433741  

268311 (2005 QU140)          Discovered 2005-Aug-29 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 QU140 = 2004 FY41 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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