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541574 (2011 SJ240)
Classification: Main-belt Asteroid          SPK-ID: 2541574
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 5 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1597913459668744 1.1433e-07  
a 2.418687986515852 3.577e-08 au
q 2.032202577676575 2.8294e-07 au
i 3.038564981436843 1.544e-05 deg
node 15.52859577220597 0.00020286 deg
peri 69.6570648862224 0.00023003 deg
M 99.3475930511982 7.961e-05 deg
tp 2458821.339535159810
(2019-Dec-03.83953516)
0.00030598 TDB
period 1373.941362345084
3.76
3.0479e-05
8.345e-08
d
yr
n .2620199157448329 5.8126e-09 deg/d
Q 2.80517339535513 4.1486e-08 au
  Orbit Determination Parameters
   # obs. used (total)      55  
   data-arc span      5518 days (15.11 yr)  
   first obs. used      2004-12-14  
   last obs. used      2020-01-23  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .55096  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:42  

Additional Information
 Earth MOID = 1.05038 au 
 Jupiter MOID = 2.40817 au 
 T_jup = 3.495 
[ 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 18.2   .44837 MPO535741 autocmod 2.8

541574 (2011 SJ240)          Discovered 2009-Jan-19 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13

Alternate Designations
 2011 SJ240 = 2015 VQ127 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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