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442317 (2011 SA115)
Classification: Main-belt Asteroid          SPK-ID: 2442317
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 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2863656836105819 6.6741e-08  
a 2.643063292160317 6.9685e-08 au
q 1.886180665674792 1.7114e-07 au
i 12.13349331311507 1.3077e-05 deg
node 192.5133987251808 3.7662e-05 deg
peri 224.452362122009 5.2201e-05 deg
M 342.2554618801396 4.6492e-05 deg
tp 2459077.860981325230
(2020-Aug-16.36098133)
0.00020544 TDB
period 1569.494403796975
4.30
6.207e-05
1.699e-07
d
yr
n .2293732294483342 9.0712e-09 deg/d
Q 3.399945918645841 8.964e-08 au
  Orbit Determination Parameters
   # obs. used (total)      119  
   data-arc span      2018 days (5.52 yr)  
   first obs. used      2011-09-20  
   last obs. used      2017-03-30  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57854  
   source      ORB  
   producer      Otto Matic  
   solution date      2017-Apr-09 12:29:49  

Additional Information
 Earth MOID = .916737 au 
 Jupiter MOID = 2.06404 au 
 T_jup = 3.304 
[ 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 17.0   n/a MPO402745  

442317 (2011 SA115)          Discovered 2011-Sep-20 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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