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442323 (2011 SM132)
Classification: Main-belt Asteroid          SPK-ID: 2442323
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 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .205213427627845 1.3055e-07  
a 2.718810619082163 6.7554e-08 au
q 2.160874172869329 4.0117e-07 au
i 11.71748805868521 7.9057e-06 deg
node 40.74552094392497 3.4833e-05 deg
peri 275.5441456747984 4.977e-05 deg
M 29.7391032074139 2.2307e-05 deg
tp 2458865.232884052476
(2020-Jan-16.73288405)
0.00010168 TDB
period 1637.445534301412
4.48
6.1028e-05
1.671e-07
d
yr
n .2198546409383857 8.194e-09 deg/d
Q 3.276747065294997 8.1417e-08 au
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4695 days (12.85 yr)  
   first obs. used      2006-08-14  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:00  

Additional Information
 Earth MOID = 1.18623 au 
 Jupiter MOID = 2.17103 au 
 T_jup = 3.299 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457440.5 (2016-Feb-22.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2058265886404354 1.3115e-07  
q 2.159434333844667 4.0355e-07 au
tp 2457229.637374981881
(2015-Jul-26.13737498)
0.00012188 TDB
node 40.76903521379248 3.4801e-05 deg
peri 275.9507186897088 4.9593e-05 deg
i 11.72413488709929 7.9092e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      73  
   data-arc span      4695 days (12.85 yr)  
   first obs. used      2006-08-14  
   last obs. used      2019-06-22  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57251  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:00  

Additional Information
 Jupiter MOID = 2.17103 au 
 T_jup = 3.299 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.72010053249991E-14 -5.27906009595074E-14 1.038096237319366E-11 1.115203239569272E-14 3.169376889053439E-12 -1.70821337645786E-13
q -5.27906009595074E-14 1.628549006592074E-13 -3.193998748860513E-11 -4.990325672875E-14 -9.688966144813604E-12 5.300795358537407E-13
tp 1.038096237319366E-11 -3.193998748860513E-11 1.48539701017565E-8 -6.726712959442491E-11 4.338535296303834E-9 -1.012764967335486E-10
node 1.115203239569272E-14 -4.990325672875E-14 -6.726712959442491E-11 1.21108680031866E-9 -1.203805083912586E-9 3.649654461685797E-12
peri 3.169376889053439E-12 -9.688966144813604E-12 4.338535296303834E-9 -1.203805083912586E-9 2.459466349559618E-9 -3.405604463015157E-11
i -1.70821337645786E-13 5.300795358537407E-13 -1.012764967335486E-10 3.649654461685797E-12 -3.405604463015157E-11 6.255582347722681E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.9   n/a MPO434643  

442323 (2011 SM132)          Discovered 2011-Sep-23 by Spacewatch at Kitt Peak
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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