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441732 (2009 BZ74)
Classification: Main-belt Asteroid          SPK-ID: 2441732
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 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .141306488559219 1.2661e-07  
a 2.549358939345217 4.1908e-08 au
q 2.18911797954929 3.298e-07 au
i 8.933476218328902 1.011e-05 deg
node 352.9712152516472 7.3698e-05 deg
peri 86.81654359978866 8.6616e-05 deg
M 315.8642717105606 5.3031e-05 deg
tp 2459182.777348898657
(2020-Nov-29.27734890)
0.00022134 TDB
period 1486.77382580357
4.07
3.6661e-05
1.004e-07
d
yr
n .2421350132428029 5.9706e-09 deg/d
Q 2.909599899141145 4.783e-08 au
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5307 days (14.53 yr)  
   first obs. used      2005-02-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:22  

Additional Information
 Earth MOID = 1.22614 au 
 Jupiter MOID = 2.35566 au 
 T_jup = 3.410 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457338.5 (2015-Nov-12.0) TDB
Reference: JPL 9 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1402896922506955 1.242e-07  
q 2.192797815260997 3.23e-07 au
tp 2457691.475167689892
(2016-Oct-29.97516769)
0.00020797 TDB
node 353.1356979095931 7.358e-05 deg
peri 85.85601525745668 8.7182e-05 deg
i 8.942340059068968 1.0101e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      160  
   data-arc span      5307 days (14.53 yr)  
   first obs. used      2005-02-11  
   last obs. used      2019-08-24  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .47679  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:42:22  

Additional Information
 Jupiter MOID = 2.35566 au 
 T_jup = 3.410 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.542464729679992E-14 -3.986318529755597E-14 1.823346573590138E-11 5.205723680579845E-13 4.480356374774097E-12 -9.084909950427801E-14
q -3.986318529755597E-14 1.043266844400191E-13 -4.338794287701437E-11 -1.319308615637629E-12 -1.081311575622388E-11 2.363867136385677E-13
tp 1.823346573590138E-11 -4.338794287701437E-11 4.325002246551068E-8 8.934891686977332E-10 9.97607934277028E-9 -1.314983473809704E-10
node 5.205723680579845E-13 -1.319308615637629E-12 8.934891686977332E-10 5.414070210862271E-9 -5.113411657651072E-9 -5.485353596271929E-10
peri 4.480356374774097E-12 -1.081311575622388E-11 9.97607934277028E-9 -5.113411657651072E-9 7.600682530760328E-9 5.066571092377904E-10
i -9.084909950427801E-14 2.363867136385677E-13 -1.314983473809704E-10 -5.485353596271929E-10 5.066571092377904E-10 1.020259683641476E-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 16.7   n/a MPO456092  

441732 (2009 BZ74)          Discovered 2008-Dec-01 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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