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300424 (2007 SG20)
Classification: Main-belt Asteroid          SPK-ID: 2300424
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 .07781033769439508 7.0448e-08  
a 2.635887775880233 3.5407e-08 au
q 2.430788457914464 1.8435e-07 au
i 14.79707464948174 1.2055e-05 deg
node 8.563126555572502 2.5757e-05 deg
peri 294.4513096621947 8.3306e-05 deg
M 65.69335905573593 8.3582e-05 deg
tp 2458715.261746197159
(2019-Aug-19.76174620)
0.00036029 TDB
period 1563.107334516133
4.28
3.1495e-05
8.623e-08
d
yr
n .2303104796776093 4.6406e-09 deg/d
Q 2.840987093846002 3.8162e-08 au
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-04-14  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:07:04  

Additional Information
 Earth MOID = 1.45749 au 
 Jupiter MOID = 2.39065 au 
 T_jup = 3.346 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457491.5 (2016-Apr-13.0) TDB
Reference: JPL 13 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .07867611583010374 7.0951e-08  
q 2.429000775149211 1.8583e-07 au
tp 2457155.262548350039
(2015-May-12.76254835)
0.00034392 TDB
node 8.62533871755962 2.5725e-05 deg
peri 295.2333435275985 8.2479e-05 deg
i 14.80709535881929 1.2061e-05 deg
  Orbit Determination Parameters
   # obs. used (total)      200  
   data-arc span      7153 days (19.58 yr)  
   first obs. used      2001-04-14  
   last obs. used      2020-11-13  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .60066  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Dec-18 06:07:04  

Additional Information
 Jupiter MOID = 2.39065 au 
 T_jup = 3.346 
Orbit Covariance (6×6)
  e q tp node peri i
e 5.034068797957663E-15 -1.298427193621829E-14 1.127274423936951E-11 -1.263523764461432E-14 2.505437030543462E-12 1.477723491216299E-14
q -1.298427193621829E-14 3.453254918691756E-14 -2.565021044105194E-11 3.177158784285078E-14 -5.661997048163251E-12 -3.390037778334007E-14
tp 1.127274423936951E-11 -2.565021044105194E-11 1.182839489844799E-7 -4.144124419794417E-11 2.697400752269531E-8 5.82025897107413E-11
node -1.263523764461432E-14 3.177158784285078E-14 -4.144124419794417E-11 6.617880024719957E-10 -6.475471440310541E-10 1.366234987254089E-11
peri 2.505437030543462E-12 -5.661997048163251E-12 2.697400752269531E-8 -6.475471440310541E-10 6.802713836141047E-9 1.466316137852965E-13
i 1.477723491216299E-14 -3.390037778334007E-14 5.82025897107413E-11 1.366234987254089E-11 1.466316137852965E-13 1.454766228442358E-10

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 16.1   n/a MPO437338  

300424 (2007 SG20)          Discovered 2007-Sep-25 by Mt. Lemmon Survey at Mount Lemmon
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13

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Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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