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447746 (2007 HG17)
Classification: Main-belt Asteroid          SPK-ID: 2447746
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07086192001383396 6.7125e-08  
a 3.113785549113293 5.1854e-08 au
q 2.893136726591795 2.0843e-07 au
i 17.60823205804824 6.9928e-06 deg
node 58.43746263277541 2.2728e-05 deg
peri 173.1224976277192 6.1045e-05 deg
M 117.6864565712392 6.0293e-05 deg
tp 2458344.422020944747
(2018-Aug-13.92202094)
0.00033254 TDB
period 2006.926534634164
5.49
5.0132e-05
1.373e-07
d
yr
n .1793787633913681 4.4808e-09 deg/d
Q 3.334434371634791 5.5528e-08 au
  Orbit Determination Parameters
   # obs. used (total)      175  
   data-arc span      5830 days (15.96 yr)  
   first obs. used      2004-11-03  
   last obs. used      2020-10-20  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .58703  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 07:47:46  

Additional Information
 Earth MOID = 1.88241 au 
 Jupiter MOID = 1.67019 au 
 T_jup = 3.142 
[ 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 15.6   n/a MPO440858  

447746 (2007 HG17)          Discovered 2007-Apr-16 by CSS at Catalina
Reference: Last Updated: 2015-10-28

[ show close-approach data ]
Alternate Designations
 2007 HG17 = 2004 VY30 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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