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JPL Small-Body Database Browser
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390321 (2013 AL170)
Classification: Main-belt Asteroid          SPK-ID: 2390321
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 .1257452839389608 7.9646e-08  
a 3.184554767004918 9.3869e-08 au
q 2.784112023608714 2.2646e-07 au
i 17.01155924621584 8.0437e-06 deg
node 157.7146688759955 2.8446e-05 deg
peri 175.4920304425068 4.5152e-05 deg
M 176.3172773908342 3.2676e-05 deg
tp 2457583.867754829903
(2016-Jul-14.36775483)
0.0001932 TDB
period 2075.733097046227
5.68
9.1778e-05
2.513e-07
d
yr
n .1734327021678658 7.6682e-09 deg/d
Q 3.584997510401123 1.0567e-07 au
  Orbit Determination Parameters
   # obs. used (total)      130  
   data-arc span      5795 days (15.87 yr)  
   first obs. used      2003-04-01  
   last obs. used      2019-02-11  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59897  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 15:18:02  

Additional Information
 Earth MOID = 1.77366 au 
 Jupiter MOID = 1.81807 au 
 T_jup = 3.118 
[ 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 15.9   n/a MPO434438  
diameter diameter 3.537 km 0.992 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.117   0.095 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

390321 (2013 AL170)          Discovered 2010-May-07 by WISE at WISE
Reference: Last Updated: 2014-03-21

[ show close-approach data ]
Alternate Designations
 2013 AL170 = 2010 JX51 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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