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JPL Small-Body Database Browser
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268318 (2005 QX161)
Classification: Main-belt Asteroid          SPK-ID: 2268318
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1340417539437045 4.3429e-08  
a 2.242021254981046 1.399e-08 au
q 1.941496793584321 9.9427e-08 au
i 4.354075826373332 4.8573e-06 deg
node 64.8100040393069 6.4376e-05 deg
peri 215.6484300267196 6.7579e-05 deg
M 68.67024479643374 1.9135e-05 deg
tp 2458366.603291673293
(2018-Sep-05.10329167)
6.5056e-05 TDB
period 1226.190692158234
3.36
1.1477e-05
3.142e-08
d
yr
n .2935921812995982 2.748e-09 deg/d
Q 2.542545716377771 1.5866e-08 au
  Orbit Determination Parameters
   # obs. used (total)      234  
   data-arc span      8861 days (24.26 yr)  
   first obs. used      1995-08-31  
   last obs. used      2019-12-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60846  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 17:26:29  

Additional Information
 Earth MOID = .926511 au 
 Jupiter MOID = 2.56941 au 
 T_jup = 3.618 
[ 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 17.3   n/a MPO454994  

268318 (2005 QX161)          Discovered 2005-Aug-28 by Siding Spring Survey at Siding Spring
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

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