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541572 (2011 SS238)
Classification: Main-belt Asteroid          SPK-ID: 2541572
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 .1489330427787749 9.3654e-08  
a 2.445793477450068 1.991e-08 au
q 2.081534012844948 2.3365e-07 au
i 7.562214697338924 1.1842e-05 deg
node 8.988056654946202 4.3271e-05 deg
peri 127.4425934761288 7.3533e-05 deg
M 29.70719376196201 5.036e-05 deg
tp 2459085.211170829550
(2020-Aug-23.71117083)
0.00019531 TDB
period 1397.10195563827
3.83
1.7059e-05
4.67e-08
d
yr
n .2576762551560046 3.1464e-09 deg/d
Q 2.810052942055187 2.2875e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      9443 days (25.85 yr)  
   first obs. used      1994-03-13  
   last obs. used      2020-01-19  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .62639  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:42  

Additional Information
 Earth MOID = 1.10429 au 
 Jupiter MOID = 2.22483 au 
 T_jup = 3.472 
[ 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 17.7   .35594 MPO535741 autocmod 2.8

541572 (2011 SS238)          Discovered 2008-Dec-01 by Mount Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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