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541578 (2011 SW265)
Classification: Main-belt Asteroid          SPK-ID: 2541578
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 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03799214860960508 8.8783e-08  
a 2.514576232030482 2.3755e-08 au
q 2.419042078132999 2.1843e-07 au
i 4.044222299131731 8.3816e-06 deg
node 171.6030488340669 7.8374e-05 deg
peri 227.3975668248031 0.00012896 deg
M 62.742541514838 0.00010358 deg
tp 2458946.662815410694
(2020-Apr-07.16281541)
0.00041957 TDB
period 1456.450189072102
3.99
2.0638e-05
5.65e-08
d
yr
n .2471763213744744 3.5026e-09 deg/d
Q 2.610110385927965 2.4658e-08 au
  Orbit Determination Parameters
   # obs. used (total)      146  
   data-arc span      6357 days (17.40 yr)  
   first obs. used      2003-08-23  
   last obs. used      2021-01-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .52173  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:42  

Additional Information
 Earth MOID = 1.42601 au 
 Jupiter MOID = 2.52059 au 
 T_jup = 3.455 
[ 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 17.22   .47888 MPCxxxxx autocmod 2.8

541578 (2011 SW265)          Discovered 2007-Aug-10 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 SW265 = 2015 RC25 = 2017 AM12 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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