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392056 (2009 BO172)
Classification: Main-belt Asteroid          SPK-ID: 2392056
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1097222819747727 8.2379e-08  
a 2.68075608551195 2.9147e-08 au
q 2.386617410391819 2.2299e-07 au
i 1.796724069294367 6.7939e-06 deg
node 291.4345792841134 0.0003449 deg
peri 219.1342798103773 0.00034841 deg
M 197.0986335094458 4.6362e-05 deg
tp 2459725.948528800549
(2022-May-26.44852880)
0.00021056 TDB
period 1603.187720241383
4.39
2.6147e-05
7.159e-08
d
yr
n .2245526181711253 3.6623e-09 deg/d
Q 2.97489476063208 3.2345e-08 au
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-01-13  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:28:14  

Additional Information
 Earth MOID = 1.39789 au 
 Jupiter MOID = 2.02498 au 
 T_jup = 3.367 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457184.5 (2015-Jun-11.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1077185934771835 8.2418e-08  
q 2.393707729728067 2.2276e-07 au
tp 2456515.449081033782
(2013-Aug-10.94908103)
0.00020241 TDB
node 291.5608474357517 0.00034567 deg
peri 218.7430657804613 0.00034933 deg
i 1.79362218323416 6.7863e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      107  
   data-arc span      7581 days (20.76 yr)  
   first obs. used      2000-01-13  
   last obs. used      2020-10-15  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60682  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 16:28:14  

Additional Information
 Jupiter MOID = 2.02498 au 
 T_jup = 3.367 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.792692995159014E-15 -1.823379893136915E-14 4.753510788779476E-12 -8.519315437835672E-16 9.048960469463797E-13 -2.905161620508015E-15
q -1.823379893136915E-14 4.962303035296577E-14 -1.200576873570489E-11 1.588975210754074E-15 -2.185117410910542E-12 7.851622960767444E-15
tp 4.753510788779476E-12 -1.200576873570489E-11 4.097062418815328E-8 -3.323021105103841E-10 1.035020914132087E-8 -1.085051109971247E-11
node -8.519315437835672E-16 1.588975210754074E-15 -3.323021105103841E-10 1.194876386504691E-7 -1.195110726460825E-7 2.998940104926679E-10
peri 9.048960469463797E-13 -2.185117410910542E-12 1.035020914132087E-8 -1.195110726460825E-7 1.220328295477481E-7 -3.023410540280077E-10
i -2.905161620508015E-15 7.851622960767444E-15 -1.085051109971247E-11 2.998940104926679E-10 -3.023410540280077E-10 4.605404097649036E-11

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 17.7   n/a MPO437605  

392056 (2009 BO172)          Discovered 2009-Jan-18 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2014-04-17

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