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541544 (2011 SW46)
Classification: Main-belt Asteroid          SPK-ID: 2541544
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 19 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1927287082624675 6.845e-07  
a 2.468053885052258 9.0052e-08 au
q 1.992389047863972 1.6272e-06 au
i 6.122928247899414 1.4784e-05 deg
node 199.9959872170694 3.982e-05 deg
peri 212.7362535297983 0.00020359 deg
M 96.63135685821678 0.00012881 deg
tp 2458820.357908345185
(2019-Dec-02.85790835)
0.00051088 TDB
period 1416.218890484272
3.88
7.751e-05
2.122e-07
d
yr
n .2541979932755304 1.3912e-08 deg/d
Q 2.943718722240545 1.0741e-07 au
  Orbit Determination Parameters
   # obs. used (total)      144  
   data-arc span      4461 days (12.21 yr)  
   first obs. used      2007-10-11  
   last obs. used      2019-12-28  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .56222  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:35  

Additional Information
 Earth MOID = 1.00533 au 
 Jupiter MOID = 2.43853 au 
 T_jup = 3.452 
[ 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 18.0   n/a E2016A03  

541544 (2011 SW46)          Discovered 2011-Sep-02 by Pan-STARRS 1 at Haleakala
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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