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442623 (2012 SL15)
Classification: Main-belt Asteroid          SPK-ID: 2442623
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1498911129482352 6.4262e-08  
a 2.250764001784856 2.7914e-08 au
q 1.9133944805735 1.4126e-07 au
i 8.046891048579859 1.6904e-05 deg
node 344.2230110192236 5.5738e-05 deg
peri 75.28397503698316 7.815e-05 deg
M 66.49950513140649 5.4823e-05 deg
tp 2458772.670855004729
(2019-Oct-16.17085500)
0.00018679 TDB
period 1233.369963223406
3.38
2.2944e-05
6.282e-08
d
yr
n .2918832229861849 5.4299e-09 deg/d
Q 2.588133522996212 3.2098e-08 au
  Orbit Determination Parameters
   # obs. used (total)      63  
   data-arc span      5199 days (14.23 yr)  
   first obs. used      2005-08-31  
   last obs. used      2019-11-25  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .55635  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Dec-14 22:53:03  

Additional Information
 Earth MOID = .943656 au 
 Jupiter MOID = 2.75186 au 
 T_jup = 3.600 
[ 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 18.4   n/a MPO349191  

442623 (2012 SL15)          Discovered 2005-Aug-31 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02

Alternate Designations
 2012 SL15 = 2007 EP50 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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