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469020 (2015 AS239)
Classification: Main-belt Asteroid          SPK-ID: 2469020
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07277864125052218 5.9038e-08  
a 3.005723833538643 5.3559e-08 au
q 2.78697133695939 1.9096e-07 au
i 10.04926453465248 7.4851e-06 deg
node 116.9330726637803 3.466e-05 deg
peri 62.99225132376029 6.0167e-05 deg
M 337.5576621771863 4.9153e-05 deg
tp 2459119.155434536389
(2020-Sep-26.65543454)
0.00026017 TDB
period 1903.364826354114
5.21
5.0874e-05
1.393e-07
d
yr
n .1891387268564683 5.0554e-09 deg/d
Q 3.224476330117897 5.7457e-08 au
  Orbit Determination Parameters
   # obs. used (total)      161  
   data-arc span      5411 days (14.81 yr)  
   first obs. used      2005-04-12  
   last obs. used      2020-02-04  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .56454  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 13:52:57  

Additional Information
 Earth MOID = 1.80951 au 
 Jupiter MOID = 1.81451 au 
 T_jup = 3.224 
[ 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 16.3   n/a MPO335319  
diameter diameter 3.658 km 0.279 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.083   0.023 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

469020 (2015 AS239)          Discovered 2008-Nov-07 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2016-06-21

[ show close-approach data ]
Alternate Designations
 2015 AS239 = 2010 KZ126 = 2013 WF24 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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