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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .148776450625571 9.938e-08  
a 2.674152479841348 6.3238e-08 au
q 2.276301565458983 2.8566e-07 au
i 12.9002108229728 1.0206e-05 deg
node 7.241594146284365 4.2217e-05 deg
peri 350.5519142803848 5.179e-05 deg
M 276.7826286087862 3.4498e-05 deg
tp 2458969.723360032702
(2020-Apr-30.22336003)
0.0001608 TDB
period 1597.267582352482
4.37
5.6658e-05
1.551e-07
d
yr
n .2253849035549735 7.9948e-09 deg/d
Q 3.072003394223713 7.2647e-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 = 1.27315 au 
 Jupiter MOID = 2.37663 au 
 T_jup = 3.328 
[ 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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