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300509 (2007 TG178)
Classification: Main-belt Asteroid          SPK-ID: 2300509
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1782380202215463 8.1487e-08  
a 2.663830590630054 3.6081e-08 au
q 2.189034699950561 2.3593e-07 au
i 13.10953110333059 8.8738e-06 deg
node 14.27338939479288 3.2013e-05 deg
peri 274.4071048413705 4.0751e-05 deg
M 322.1398641006835 2.1743e-05 deg
tp 2458767.508277776609
(2019-Oct-11.00827778)
9.5802e-05 TDB
period 1588.028636755754
4.35
3.2264e-05
8.833e-08
d
yr
n .2266961638270316 4.6059e-09 deg/d
Q 3.138626481309547 4.2512e-08 au
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:18  

Additional Information
 Earth MOID = 1.22023 au 
 Jupiter MOID = 2.2035 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457097.5 (2015-Mar-16.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1774280271709074 8.1677e-08  
q 2.190728802060053 2.3627e-07 au
tp 2457181.362377970164
(2015-Jun-07.86237797)
0.00010202 TDB
node 14.2870230317744 3.1999e-05 deg
peri 274.6873343934637 4.0784e-05 deg
i 13.11259142055705 8.8758e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      183  
   data-arc span      7596 days (20.80 yr)  
   first obs. used      1998-09-17  
   last obs. used      2019-07-05  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62507  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 05:49:18  

Additional Information
 Jupiter MOID = 2.2035 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 6.671139109248217E-15 -1.919810273727956E-14 3.555893578211555E-12 2.056288339838861E-14 9.394764934449682E-13 -2.691932815528185E-14
q -1.919810273727956E-14 5.582421018057818E-14 -1.047975916480758E-11 -6.546402669566396E-14 -2.772814515979139E-12 8.292732656686927E-14
tp 3.555893578211555E-12 -1.047975916480758E-11 1.040832730764653E-8 -7.222640563578334E-12 2.628384900404886E-9 -6.888287758921066E-12
node 2.056288339838861E-14 -6.546402669566396E-14 -7.222640563578334E-12 1.023962168954794E-9 -9.979783161588502E-10 -9.46629658641457E-11
peri 9.394764934449682E-13 -2.772814515979139E-12 2.628384900404886E-9 -9.979783161588502E-10 1.663375110368809E-9 9.002767572315378E-11
i -2.691932815528185E-14 8.292732656686927E-14 -6.888287758921066E-12 -9.46629658641457E-11 9.002767572315378E-11 7.877945499010214E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.9   n/a MPO440418  

300509 (2007 TG178)          Discovered 2007-Oct-06 by PMO NEO Survey Program at Purple Mountain
Reference: 20111012/Numbers.arcLast Updated: 2011-10-13
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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