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379127 (2009 BY74)
Classification: Outer Main-belt Asteroid          SPK-ID: 2379127
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 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1049652641918183 5.0293e-08  
a 3.220346749162613 5.1005e-08 au
q 2.882322201847496 1.8269e-07 au
i 13.46324922608037 6.5505e-06 deg
node 75.91583035328189 2.2978e-05 deg
peri 71.48143378966469 4.1321e-05 deg
M 328.6564081110874 3.4757e-05 deg
tp 2459184.280168341929
(2020-Nov-30.78016834)
0.00020583 TDB
period 2110.825741911802
5.78
5.0148e-05
1.373e-07
d
yr
n .1705493697807302 4.0518e-09 deg/d
Q 3.55837129647773 5.6359e-08 au
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6666 days (18.25 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:08:47  

Additional Information
 Earth MOID = 1.93061 au 
 Jupiter MOID = 1.69649 au 
 T_jup = 3.137 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457468.5 (2016-Mar-21.0) TDB
Reference: JPL 23 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .106069475770563 5.0235e-08  
q 2.876401002201092 1.8246e-07 au
tp 2457076.841938846320
(2015-Feb-23.34193885)
0.00018511 TDB
node 75.92731838716706 2.2983e-05 deg
peri 71.77383394125678 4.1046e-05 deg
i 13.46528347664728 6.5514e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      254  
   data-arc span      6666 days (18.25 yr)  
   first obs. used      2001-10-23  
   last obs. used      2020-01-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .5591  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-26 03:08:47  

Additional Information
 Jupiter MOID = 1.69649 au 
 T_jup = 3.137 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.523598054969592E-15 -8.912242176042741E-15 -1.627269007597888E-12 1.276447015568455E-14 -3.245875009389005E-13 -6.274115315623084E-15
q -8.912242176042741E-15 3.329178634225342E-14 7.381212397503121E-12 -5.172490195305677E-14 1.508066108912346E-12 2.629806805279969E-14
tp -1.627269007597888E-12 7.381212397503121E-12 3.426428665297892E-8 -7.463813814722619E-11 6.321638751453837E-9 2.625688740957859E-12
node 1.276447015568455E-14 -5.172490195305677E-14 -7.463813814722619E-11 5.282310977570241E-10 -5.270158841616821E-10 1.31459877856667E-12
peri -3.245875009389005E-13 1.508066108912346E-12 6.321638751453837E-9 -5.270158841616821E-10 1.684761837842847E-9 -5.484132413199556E-13
i -6.274115315623084E-15 2.629806805279969E-14 2.625688740957859E-12 1.31459877856667E-12 -5.484132413199556E-13 4.292027399210988E-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 15.1   n/a MPO418927  

379127 (2009 BY74)          Discovered 2009-Jan-20 by CSS at Catalina
Reference: Last Updated: 2013-11-20

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