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JPL Small-Body Database Browser
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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07120673176881014 8.1078e-08  
a 3.116379589255189 7.9496e-08 au
q 2.8944723837533 2.874e-07 au
i 17.60966139035724 8.1073e-06 deg
node 58.45290126932365 2.8178e-05 deg
peri 173.7331571117863 7.9072e-05 deg
M 45.32390998954519 7.9585e-05 deg
tp 2458347.512640972976
(2018-Aug-17.01264097)
0.00044176 TDB
period 2009.434959842099
5.50
7.6889e-05
2.105e-07
d
yr
n .1791548406365382 6.8552e-09 deg/d
Q 3.338286794757078 8.5157e-08 au
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      4917 days (13.46 yr)  
   first obs. used      2004-11-03  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60551  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:05:07  

Additional Information
 Earth MOID = 1.88353 au 
 Jupiter MOID = 1.66682 au 
 T_jup = 3.141 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457309.5 (2015-Oct-14.0) TDB
Reference: JPL 14 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07026934760166109 8.1084e-08  
q 2.896396438301935 2.8542e-07 au
tp 2456348.025604645053
(2013-Feb-24.52560464)
0.00043877 TDB
node 58.47067132871502 2.8189e-05 deg
peri 175.433169416625 8.027e-05 deg
i 17.6087920444648 8.1048e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      118  
   data-arc span      4917 days (13.46 yr)  
   first obs. used      2004-11-03  
   last obs. used      2018-04-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60551  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:05:07  

Additional Information
 Jupiter MOID = 1.66682 au 
 T_jup = 3.141 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.574579089588607E-15 -2.247923264451514E-14 -7.330864411609293E-12 1.329055687587603E-14 -1.261904718262714E-12 7.608848237428067E-15
q -2.247923264451514E-14 8.146406927649952E-14 2.47215385486677E-11 -4.670866360500287E-14 4.640423453643992E-12 -9.200888836990441E-15
tp -7.330864411609293E-12 2.47215385486677E-11 1.925196345595235E-7 -2.640625738862047E-10 3.299903762093195E-8 3.874551763326555E-11
node 1.329055687587603E-14 -4.670866360500287E-14 -2.640625738862047E-10 7.945975522839834E-10 -8.016604220448026E-10 7.962976445809918E-12
peri -1.261904718262714E-12 4.640423453643992E-12 3.299903762093195E-8 -8.016604220448026E-10 6.443333397805567E-9 4.665474215896752E-13
i 7.608848237428067E-15 -9.200888836990441E-15 3.874551763326555E-11 7.962976445809918E-12 4.665474215896752E-13 6.568791555687798E-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 15.6   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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