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541547 (2011 SS57)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541547
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 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3378468786200425 5.9982e-08  
a 3.975440671328435 5.9354e-08 au
q 2.632350449380957 2.3821e-07 au
i 3.864376444625564 1.0871e-05 deg
node 44.91351514615252 0.0001118 deg
peri 327.546339101087 0.00012646 deg
M 75.47197896643755 4.0105e-05 deg
tp 2458593.540688038045
(2019-Apr-20.04068804)
0.00031296 TDB
period 2895.185144190709
7.93
6.4838e-05
1.775e-07
d
yr
n .1243443793991388 2.7847e-09 deg/d
Q 5.318530893275914 7.9406e-08 au
  Orbit Determination Parameters
   # obs. used (total)      109  
   data-arc span      6300 days (17.25 yr)  
   first obs. used      2003-10-20  
   last obs. used      2021-01-18  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .54184  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:36  

Additional Information
 Earth MOID = 1.63254 au 
 Jupiter MOID = .159358 au 
 T_jup = 2.951 
[ 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 16.41   n/a MPCxxxxx  

541547 (2011 SS57)          Discovered 2003-Oct-20 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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