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JPL Small-Body Database Browser
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268287 (2005 QW44)
Classification: Main-belt Asteroid          SPK-ID: 2268287
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2346720097206309 9.7948e-08  
a 2.427282097436395 3.1896e-08 au
q 1.857666929472088 2.2002e-07 au
i 2.84075348687371 7.3012e-06 deg
node 26.9554569598801 0.00011029 deg
peri 349.4239608367512 0.00011235 deg
M 197.8682523019814 3.5236e-05 deg
tp 2459222.577322152019
(2021-Jan-08.07732215)		 0.00014684 TDB
period 1381.27072059844
3.78		 2.7226e-05
7.454e-08		 d
yr
n .2606295743704962 5.1372e-09 deg/d
Q 2.996897265400702 3.9381e-08 au
   Orbit Determination Parameters
   # obs. used (total)      231  
   data-arc span      6487 days (17.76 yr)  
   first obs. used      2001-07-21  
   last obs. used      2019-04-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5452  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 04:26:27  

Additional Information
 Earth MOID = .858482 au 
 Jupiter MOID = 2.46287 au 
 T_jup = 3.470 
[ show covariance matrix ]

[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.8   n/a MPO433741  

268287 (2005 QW44)          Discovered 2005-Aug-26 by NEAT at Palomar
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
[ Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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