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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 ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .06759515670595186 6.1887e-08  
a 3.1402408703193 5.1671e-08 au
q 2.927975796595632 2.0076e-07 au
i 17.76169481711244 6.1195e-06 deg
node 104.6351888211995 2.4262e-05 deg
peri 66.86511254223855 5.3971e-05 deg
M 227.3035443190782 4.9609e-05 deg
tp 2459749.703317199871
(2022-Jun-19.20331720)
0.00028632 TDB
period 2032.557635454095
5.56
5.0167e-05
1.373e-07
d
yr
n .1771167487310008 4.3716e-09 deg/d
Q 3.352505944042967 5.5164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      328  
   data-arc span      7536 days (20.63 yr)  
   first obs. used      2000-03-04  
   last obs. used      2020-10-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55204  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-11 22:14:25  

Additional Information
 Earth MOID = 1.98747 au 
 Jupiter MOID = 1.8544 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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