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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777133853188184 4.7858e-08  
a 2.662847706997682 2.2368e-08 au
q 2.189624026398671 1.2926e-07 au
i 13.10815767919677 7.4998e-06 deg
node 14.23725923284536 2.3051e-05 deg
peri 274.3446544749172 3.0633e-05 deg
M 98.29083240192426 1.9965e-05 deg
tp 2458767.160345492947
(2019-Oct-10.66034549)		 8.6399e-05 TDB
period 1587.149806450157
4.35		 1.9999e-05
5.475e-08		 d
yr
n .2268216891291323 2.858e-09 deg/d
Q 3.136071387596694 2.6344e-08 au
   Orbit Determination Parameters
   # obs. used (total)      264  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-01-09  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57267  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-14 05:35:09  

Additional Information
 Earth MOID = 1.21961 au 
 Jupiter MOID = 2.20439 au 
 T_jup = 3.325 
[ show covariance matrix ]

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

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.03   n/a MPCxxxxx  

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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