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JPL Small-Body Database Browser
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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 ]

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Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .2505348296272462 7.2825e-08  
a 3.098345953563497 2.968e-08 au
q 2.322102377961198 2.2381e-07 au
i 25.36630865377924 1.0232e-05 deg
node 45.69605158971387 1.3958e-05 deg
peri 218.9366268785893 2.1277e-05 deg
M 45.85887740672345 1.6959e-05 deg
tp 2458346.745233957804
(2018-Aug-16.24523396)
9.3059e-05 TDB
period 1992.018142201566
5.45
2.8623e-05
7.837e-08
d
yr
n .180721245641935 2.5968e-09 deg/d
Q 3.874589529165795 3.7116e-08 au
  Orbit Determination Parameters
   # obs. used (total)      297  
   data-arc span      8100 days (22.18 yr)  
   first obs. used      1996-05-15  
   last obs. used      2018-07-19  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .59985  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Jul-14 09:09:14  

Additional Information
 Earth MOID = 1.35125 au 
 Jupiter MOID = 1.35089 au 
 T_jup = 3.029 
[ show covariance matrix ]

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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