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392013 (2009 AL9)
Classification: Main-belt Asteroid          SPK-ID: 2392013
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2276035040742502 6.6504e-08  
a 2.615638348209963 2.7339e-08 au
q 2.020309894766391 1.7114e-07 au
i 15.16972966446784 8.5175e-06 deg
node 96.94188207479618 3.6469e-05 deg
peri 166.0547584680358 4.3854e-05 deg
M 106.7971757394566 2.6444e-05 deg
tp 2458542.123612084345
(2019-Feb-27.62361208)
0.00011136 TDB
period 1545.129808041077
4.23
2.4225e-05
6.632e-08
d
yr
n .2329901333379943 3.6529e-09 deg/d
Q 3.210966801653534 3.3562e-08 au
  Orbit Determination Parameters
   # obs. used (total)      148  
   data-arc span      6675 days (18.28 yr)  
   first obs. used      2002-07-16  
   last obs. used      2020-10-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5982  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:28:37  

Additional Information
 Earth MOID = 1.00735 au 
 Jupiter MOID = 1.90916 au 
 T_jup = 3.322 
[ 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 16.4   n/a MPO437604  
diameter diameter 1.380 km 0.261 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.233   0.119 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

392013 (2009 AL9)          Discovered 2009-Jan-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

[ show close-approach data ]
Alternate Designations
 2009 AL9 = 2010 GN65 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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