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442372 (2011 SF273)
Classification: Main-belt Asteroid          SPK-ID: 2442372
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1864560111619136 1.4299e-07  
a 2.546389896572663 4.1723e-08 au
q 2.071600193594727 3.8733e-07 au
i 8.009161093985 1.2216e-05 deg
node 129.426405894695 9.6109e-05 deg
peri 171.5867683946251 0.00011967 deg
M 98.01933311722253 6.572e-05 deg
tp 2458596.394256365264
(2019-Apr-22.89425637)
0.00027775 TDB
period 1484.177285051776
4.06
3.6478e-05
9.987e-08
d
yr
n .2425586239769471 5.9616e-09 deg/d
Q 3.021179599550599 4.9503e-08 au
  Orbit Determination Parameters
   # obs. used (total)      132  
   data-arc span      5816 days (15.92 yr)  
   first obs. used      2003-10-22  
   last obs. used      2019-09-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59338  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 16:00:41  

Additional Information
 Earth MOID = 1.05654 au 
 Jupiter MOID = 2.21975 au 
 T_jup = 3.405 
[ 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 16.8   n/a MPO437720  

442372 (2011 SF273)          Discovered 2004-Dec-20 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02

Alternate Designations
 2011 SF273 = 2007 TS413 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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