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268286 (2005 QE41)
Classification: Main-belt Asteroid          SPK-ID: 2268286
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2010327790343536 6.783e-08  
a 2.383230278174843 1.1547e-08 au
q 1.904122872274539 1.6645e-07 au
i 3.994909611871574 5.4639e-06 deg
node 304.241810214307 7.9783e-05 deg
peri 23.25449575763939 8.0572e-05 deg
M 267.0505935647831 1.288e-05 deg
tp 2458947.469706384996
(2020-Apr-07.96970638)
4.9355e-05 TDB
period 1343.839612205127
3.68
9.7665e-06
2.674e-08
d
yr
n .2678891117142101 1.9469e-09 deg/d
Q 2.862337684075148 1.3868e-08 au
  Orbit Determination Parameters
   # obs. used (total)      317  
   data-arc span      5104 days (13.97 yr)  
   first obs. used      2005-07-09  
   last obs. used      2019-06-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60348  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 04:38:30  

Additional Information
 Earth MOID = .892397 au 
 Jupiter MOID = 2.47775 au 
 T_jup = 3.506 
[ 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 MPO437234  
diameter diameter 2.769 km 0.474 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.053   0.013 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268286 (2005 QE41)          Discovered 2005-Aug-26 by LONEOS at Anderson Mesa
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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