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JPL Small-Body Database Browser
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268281 (2005 QW8)
Classification: Main-belt Asteroid          SPK-ID: 2268281
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1436158000730423 9.5318e-08  
a 2.398727977030072 1.8478e-08 au
q 2.054232739451308 2.3702e-07 au
i 6.055038980121846 8.1056e-06 deg
node 344.0451582663038 4.6103e-05 deg
peri 336.0351189526461 5.1248e-05 deg
M 5.518031892675488 1.9416e-05 deg
tp 2458979.700560441547
(2020-May-10.20056044)
7.3132e-05 TDB
period 1356.969003927353
3.72
1.568e-05
4.293e-08
d
yr
n .2652971430873398 3.0655e-09 deg/d
Q 2.743223214608836 2.1132e-08 au
  Orbit Determination Parameters
   # obs. used (total)      154  
   data-arc span      7033 days (19.26 yr)  
   first obs. used      2000-02-05  
   last obs. used      2019-05-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .61902  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-May-30 08:51:27  

Additional Information
 Earth MOID = 1.04334 au 
 Jupiter MOID = 2.55936 au 
 T_jup = 3.506 
[ 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 17.1   n/a MPO433741  

268281 (2005 QW8)          Discovered 2005-Aug-25 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 QW8 = 2000 CP144 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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