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268199 (2005 AL40)
Classification: Main-belt Asteroid          SPK-ID: 2268199
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 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06783856444931628 6.4398e-08  
a 3.139429129220447 6.1401e-08 au
q 2.926454763903765 2.0635e-07 au
i 17.76174112744874 6.9916e-06 deg
node 104.6368025905132 2.5435e-05 deg
peri 67.07677813013373 6.3549e-05 deg
M 156.2056203299337 5.5784e-05 deg
tp 2457718.906037447807
(2016-Nov-26.40603745)
0.0003163 TDB
period 2031.769573005377
5.56
5.9606e-05
1.632e-07
d
yr
n .1771854470029743 5.1981e-09 deg/d
Q 3.35240349453713 6.5567e-08 au
  Orbit Determination Parameters
   # obs. used (total)      304  
   data-arc span      6705 days (18.36 yr)  
   first obs. used      2000-03-04  
   last obs. used      2018-07-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55725  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-Oct-04 10:16:45  

Additional Information
 Earth MOID = 1.98666 au 
 Jupiter MOID = 1.85641 au 
 T_jup = 3.133 
[ 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 15.2   n/a MPO360379  
diameter diameter 6.093 km 0.564 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.052   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268199 (2005 AL40)          Discovered 2005-Jan-15 by LINEAR at Socorro
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Alternate Designations
 2005 AL40 = 2006 HD90 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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