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392139 (2009 HX5)
Classification: Inner Main-belt Asteroid          SPK-ID: 2392139
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09608730960992541 5.4334e-08  
a 1.897249879892709 1.3343e-08 au
q 1.714948243276064 1.025e-07 au
i 19.31713368595219 7.5561e-06 deg
node 193.1942978765778 1.6118e-05 deg
peri 260.0337840263304 3.8805e-05 deg
M 187.0846620905835 3.4077e-05 deg
tp 2459458.975618239928
(2021-Sep-01.47561824)
8.9866e-05 TDB
period 954.5204292567605
2.61
1.007e-05
2.757e-08
d
yr
n .3771527449447204 3.9788e-09 deg/d
Q 2.079551516509353 1.4626e-08 au
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6497 days (17.79 yr)  
   first obs. used      2001-03-28  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:00:22  

Additional Information
 Earth MOID = .809641 au 
 Jupiter MOID = 3.08227 au 
 T_jup = 3.877 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457458.5 (2016-Mar-11.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .09605890073168954 5.4303e-08  
q 1.714670313221065 1.0245e-07 au
tp 2457550.289189409143
(2016-Jun-10.78918941)
9.3575e-05 TDB
node 193.2171185439813 1.6113e-05 deg
peri 260.0183484136686 3.8819e-05 deg
i 19.3206898660074 7.5572e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      198  
   data-arc span      6497 days (17.79 yr)  
   first obs. used      2001-03-28  
   last obs. used      2019-01-10  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .6327  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 13:00:22  

Additional Information
 Jupiter MOID = 3.08227 au 
 T_jup = 3.877 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.948837847290023E-15 -5.525235316436125E-15 -1.614605246911226E-12 -3.543622690852765E-15 -5.834786214510173E-13 -3.242074476859155E-14
q -5.525235316436125E-15 1.049697618988383E-14 2.738457579906958E-12 6.605127735684684E-15 9.800504923102327E-13 6.186138524335644E-14
tp -1.614605246911226E-12 2.738457579906958E-12 8.756207857464519E-9 3.793597152292745E-11 3.31929291380606E-9 4.599354688881763E-11
node -3.543622690852765E-15 6.605127735684684E-15 3.793597152292745E-11 2.596435553273162E-10 -2.294520677182197E-10 2.970963439376502E-11
peri -5.834786214510173E-13 9.800504923102327E-13 3.31929291380606E-9 -2.294520677182197E-10 1.506952195437657E-9 -1.035573112406495E-11
i -3.242074476859155E-14 6.186138524335644E-14 4.599354688881763E-11 2.970963439376502E-11 -1.035573112406495E-11 5.711117461970281E-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 17.7   n/a MPO288992  

392139 (2009 HX5)          Discovered 2009-Apr-17 by CSS at Catalina
Reference: Last Updated: 2014-04-17
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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