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382164 (2012 HX49)
Classification: Inner Main-belt Asteroid          SPK-ID: 2382164
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04297530901514029 1.2388e-07  
a 1.950642254373303 1.3418e-08 au
q 1.866812800713621 2.5076e-07 au
i 22.21003055051352 9.8219e-06 deg
node 189.5037300750058 1.3574e-05 deg
peri 354.540602546839 0.0001032 deg
M 13.87079122805556 9.3748e-05 deg
tp 2458962.158985279248
(2020-Apr-22.65898528)
0.00025931 TDB
period 995.0957427398096
2.72
1.0268e-05
2.811e-08
d
yr
n .3617742339132187 3.733e-09 deg/d
Q 2.034471708032986 1.3995e-08 au
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:44:33  

Additional Information
 Earth MOID = .868062 au 
 Jupiter MOID = 2.92122 au 
 T_jup = 3.800 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457571.5 (2016-Jul-02.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .04306218102339304 1.2414e-07  
q 1.866773499530475 2.5132e-07 au
tp 2457967.673899476218
(2017-Aug-02.17389948)
0.00026237 TDB
node 189.5170478974825 1.3569e-05 deg
peri 354.7864427499046 0.00010253 deg
i 22.21314876627238 9.8237e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      126  
   data-arc span      7526 days (20.61 yr)  
   first obs. used      1999-10-13  
   last obs. used      2020-05-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60116  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 17:44:33  

Additional Information
 Jupiter MOID = 2.92122 au 
 T_jup = 3.800 
Orbit Covariance (6×6)
  e q tp node peri i
e 1.541193382683597E-14 -3.117916047921388E-14 1.182011372655804E-11 2.585157709031673E-14 4.823342876148099E-12 -1.947468489060577E-13
q -3.117916047921388E-14 6.316221949621804E-14 -2.468380257711831E-11 -5.514041758992035E-14 -1.00647728499565E-11 3.91974260451317E-13
tp 1.182011372655804E-11 -2.468380257711831E-11 6.883599691598463E-8 1.248710355736247E-10 2.666980386148454E-8 -1.040648717987974E-10
node 2.585157709031673E-14 -5.514041758992035E-14 1.248710355736247E-10 1.841220374822E-10 -1.19430428773752E-10 -2.419119245661096E-11
peri 4.823342876148099E-12 -1.00647728499565E-11 2.666980386148454E-8 -1.19430428773752E-10 1.051304600219712E-8 -2.018139056105371E-11
i -1.947468489060577E-13 3.91974260451317E-13 -1.040648717987974E-10 -2.419119245661096E-11 -2.018139056105371E-11 9.650424129046537E-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 18.0   n/a MPO339210  

382164 (2012 HX49)          Discovered 2010-Sep-15 by Mt. Lemmon Survey at Mount Lemmon
Reference: Last Updated: 2013-12-19
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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