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324797 (2007 HG20)
Classification: Main-belt Asteroid          SPK-ID: 2324797
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .03615855994341532 5.2325e-08  
a 2.98287472907215 4.0942e-08 au
q 2.875018274377296 1.5362e-07 au
i 9.24367775239295 1.1108e-05 deg
node 214.9735380330624 3.5184e-05 deg
peri 59.56608576676438 0.00016099 deg
M 219.7973178311927 0.00015899 deg
tp 2460129.332582640524
(2023-Jul-03.83258264)
0.00083519 TDB
period 1881.702444415034
5.15
3.8742e-05
1.061e-07
d
yr
n .1913161143349173 3.939e-09 deg/d
Q 3.090731183767005 4.2423e-08 au
  Orbit Determination Parameters
   # obs. used (total)      150  
   data-arc span      5491 days (15.03 yr)  
   first obs. used      2004-11-04  
   last obs. used      2019-11-17  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .51547  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 07:18:34  

Additional Information
 Earth MOID = 1.87254 au 
 Jupiter MOID = 1.93453 au 
 T_jup = 3.238 
[ 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 16.0   n/a MPO494718  

324797 (2007 HG20)          Discovered 2007-Apr-18 by Spacewatch at Kitt Peak
Reference: 20120406/Numbers.arcLast Updated: 2012-04-09

[ show close-approach data ]
Alternate Designations
 2007 HG20 = 2004 VM43 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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