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JPL Small-Body Database Browser
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442293 (2011 SL23)
Classification: Main-belt Asteroid          SPK-ID: 2442293
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1482130201925385 9.9356e-08  
a 2.672137892897102 6.2692e-08 au
q 2.276092265419897 2.8513e-07 au
i 12.9014397744914 1.0211e-05 deg
node 7.193307216272808 4.2216e-05 deg
peri 350.788421725954 5.1912e-05 deg
M 6.786612902624268 3.6631e-05 deg
tp 2458970.422806966795
(2020-Apr-30.92280697)
0.00016169 TDB
period 1595.462957341647
4.37
5.6148e-05
1.537e-07
d
yr
n .2256398359757786 7.9408e-09 deg/d
Q 3.068183520374308 7.1984e-08 au
  Orbit Determination Parameters
   # obs. used (total)      102  
   data-arc span      3305 days (9.05 yr)  
   first obs. used      2009-03-02  
   last obs. used      2018-03-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .45857  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 14:19:29  

Additional Information
 Earth MOID = 1.27381 au 
 Jupiter MOID = 2.38412 au 
 T_jup = 3.329 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 17.1   n/a MPO440831  

442293 (2011 SL23)          Discovered 2009-Mar-02 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SL23 = 2009 EG8 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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