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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 ]

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For accurate long-term ephemerides, please instead use our Horizons system.This orbit viewer was implemented using two-body methods, and hence should not be used for determining accurate long-term trajectories (over several years or decades) or planetary encounter circumstances.


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Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 12 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1778186183025405 8.1556e-08  
a 2.662681915726568 3.603e-08 au
q 2.189207496492908 2.3577e-07 au
i 13.10873511677738 8.8749e-06 deg
node 14.23786250792558 3.2019e-05 deg
peri 274.3150432368016 4.0815e-05 deg
M 52.94081516007893 2.1789e-05 deg
tp 2458767.119007085301
(2019-Oct-10.61900709)
9.5994e-05 TDB
period 1587.001582715453
4.34
3.2212e-05
8.819e-08
d
yr
n .2268428739585872 4.6043e-09 deg/d
Q 3.136156334960229 4.2437e-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 = 1.22099 au 
 Jupiter MOID = 2.20516 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 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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