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JPL Small-Body Database Browser
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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 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 17 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2861502397059505 6.6803e-08  
a 2.644670342585605 7.0968e-08 au
q 1.887897290111516 1.7127e-07 au
i 12.13153373604233 1.3073e-05 deg
node 192.5456414103138 3.7662e-05 deg
peri 224.2896744312016 5.2183e-05 deg
M 250.6522094734416 4.3204e-05 deg
tp 2459077.659149518594
(2020-Aug-16.15914952)
0.00020552 TDB
period 1570.926060778271
4.30
6.3232e-05
1.731e-07
d
yr
n .2291641911024432 9.2242e-09 deg/d
Q 3.401443395059695 9.1276e-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 = .917831 au 
 Jupiter MOID = 2.06091 au 
 T_jup = 3.303 
[ 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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