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541577 (2011 SF258)
Classification: Outer Main-belt Asteroid          SPK-ID: 2541577
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2274484645661342 1.0104e-07  
a 3.972798996508641 6.5831e-08 au
q 3.069191964722872 3.8509e-07 au
i 1.867734979610397 1.0061e-05 deg
node 235.3778726333978 0.00026404 deg
peri 150.8694024857608 0.00026813 deg
M 53.78755434539956 3.2256e-05 deg
tp 2458768.361845630839
(2019-Oct-11.86184563)
0.00025293 TDB
period 2892.299853863944
7.92
7.189e-05
1.968e-07
d
yr
n .1244684224282835 3.0937e-09 deg/d
Q 4.876406028294411 8.0804e-08 au
  Orbit Determination Parameters
   # obs. used (total)      98  
   data-arc span      9217 days (25.23 yr)  
   first obs. used      1995-10-22  
   last obs. used      2021-01-15  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .43295  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 20:23:42  

Additional Information
 Earth MOID = 2.07258 au 
 Jupiter MOID = .605348 au 
 T_jup = 3.011 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.86   n/a MPCxxxxx  

541577 (2011 SF258)          Discovered 1995-Oct-22 by Spacewatch at Kitt Peak
Reference: Last Updated: 2019-12-13

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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