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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 ]

[ show orbit diagram ]
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 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457896.5 (2017-May-23.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1872004140590421 1.4365e-07  
q 2.068917452901989 3.8971e-07 au
tp 2458596.766297023413
(2019-Apr-23.26629702)
0.00027642 TDB
node 129.4770184869437 9.6151e-05 deg
peri 171.7109454142482 0.00011958 deg
i 8.008966591663691 1.2224e-05 deg
  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
 Jupiter MOID = 2.21975 au 
 T_jup = 3.405 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.063479647721074E-14 -5.586110434197077E-14 3.682195617722119E-11 3.970106583330795E-13 9.532659067532381E-12 3.450818841676104E-15
q -5.586110434197077E-14 1.518754318981902E-13 -1.004720469817638E-10 -1.054605898862347E-12 -2.610625597933825E-11 -4.846466857104345E-15
tp 3.682195617722119E-11 -1.004720469817638E-10 7.640684820825666E-8 7.58783274777676E-10 1.993067149791629E-8 6.008109003905571E-12
node 3.970106583330795E-13 -1.054605898862347E-12 7.58783274777676E-10 9.244934173625548E-9 -8.953254250394899E-9 9.613633522266229E-10
peri 9.532659067532381E-12 -2.610625597933825E-11 1.993067149791629E-8 -8.953254250394899E-9 1.4299732648465E-8 -9.510959744113232E-10
i 3.450818841676104E-15 -4.846466857104345E-15 6.008109003905571E-12 9.613633522266229E-10 -9.510959744113232E-10 1.494254666064346E-10

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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