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324790 (2007 HJ7)
Classification: Main-belt Asteroid          SPK-ID: 2324790
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 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2503651573649723 6.8179e-08  
a 3.099265621788426 2.9233e-08 au
q 2.323317496673518 2.0787e-07 au
i 25.36271096940411 9.9978e-06 deg
node 45.69987270007801 1.3776e-05 deg
peri 219.00751334 2.1164e-05 deg
M 118.0704038052294 1.6786e-05 deg
tp 2458346.880240163210
(2018-Aug-16.38024016)
9.0952e-05 TDB
period 1992.905130818421
5.46
2.8197e-05
7.72e-08
d
yr
n .1806408114630924 2.5558e-09 deg/d
Q 3.875213746903335 3.6552e-08 au
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1996-05-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:13:10  

Additional Information
 Earth MOID = 1.35275 au 
 Jupiter MOID = 1.35087 au 
 T_jup = 3.029 
[ hide covariance matrix ]
Orbital Elements at Epoch 2456930.5 (2014-Sep-30.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2507944727539032 6.7585e-08  
q 2.321228090891176 2.059e-07 au
tp 2456357.141684000180
(2013-Mar-05.64168400)
9.1583e-05 TDB
node 45.70685801636711 1.3783e-05 deg
peri 219.32745726878 2.1272e-05 deg
i 25.36153009112452 9.9983e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      315  
   data-arc span      8570 days (23.46 yr)  
   first obs. used      1996-05-15  
   last obs. used      2019-11-01  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60552  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Nov-08 09:13:10  

Additional Information
 Jupiter MOID = 1.35087 au 
 T_jup = 3.029 
Orbit Covariance (6×6)
  e q tp node peri i
e 4.567796881850671E-15 -1.383985660729857E-14 -3.454251351142713E-12 -3.962769985263396E-15 -5.740931060621962E-13 -1.854000880599545E-15
q -1.383985660729857E-14 4.239668946200263E-14 1.037089678347407E-11 1.067543226297272E-14 1.7496470668593E-12 8.719595021208866E-15
tp -3.454251351142713E-12 1.037089678347407E-11 8.387499398942583E-9 7.479660757225147E-13 1.509320135491473E-9 3.010001524505615E-11
node -3.962769985263396E-15 1.067543226297272E-14 7.479660757225147E-13 1.899835050435928E-10 -1.711324499967778E-10 -3.63449119547793E-11
peri -5.740931060621962E-13 1.7496470668593E-12 1.509320135491473E-9 -1.711324499967778E-10 4.524850012621817E-10 3.827392707117253E-11
i -1.854000880599545E-15 8.719595021208866E-15 3.010001524505615E-11 -3.63449119547793E-11 3.827392707117253E-11 9.996501668616534E-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 15.2   n/a MPO268360  

324790 (2007 HJ7)          Discovered 2007-Apr-16 by CSS at Catalina
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 HJ7 = 1996 JV10 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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