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268539 (2006 AL41)
Classification: Main-belt Asteroid          SPK-ID: 2268539
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 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .01544160003625883 5.6082e-08  
a 2.769550643414829 3.4847e-08 au
q 2.726784350099054 1.4648e-07 au
i 3.400843356616069 7.3155e-06 deg
node 324.4392902072132 9.7613e-05 deg
peri 271.9324595943257 0.00025364 deg
M 207.9352749259658 0.00023403 deg
tp 2459311.612599690511
(2021-Apr-07.11259969)
0.0010934 TDB
period 1683.497180322049
4.61
3.1773e-05
8.699e-08
d
yr
n .2138405719997303 4.0359e-09 deg/d
Q 2.812316936730605 3.5385e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      6990 days (19.14 yr)  
   first obs. used      1999-10-10  
   last obs. used      2018-11-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .64769  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 06:41:17  

Additional Information
 Earth MOID = 1.7164 au 
 Jupiter MOID = 2.16969 au 
 T_jup = 3.335 
[ 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 17.0   n/a MPO470850  
diameter diameter 2.814 km 0.590 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.011 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

268539 (2006 AL41)          Discovered 2006-Jan-04 by Spacewatch at Kitt Peak
Reference: 20110319/Numbers.arcLast Updated: 2011-03-23

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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