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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.


Orbital Elements at Epoch 2459396.5 (2021-Jul-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1775647857751977 4.7852e-08  
a 2.663331694350036 2.236e-08 au
q 2.190417772594477 1.2926e-07 au
i 13.10728606441965 7.4993e-06 deg
node 14.23259883593525 2.3051e-05 deg
peri 274.3949182174447 3.0646e-05 deg
M 142.6988298745249 2.0172e-05 deg
tp 2458767.205082715120
(2019-Oct-10.70508272)
8.6497e-05 TDB
period 1587.582536042931
4.35
1.9993e-05
5.474e-08
d
yr
n .2267598640240176 2.8557e-09 deg/d
Q 3.136245616105594 2.6331e-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 = 1.22184 au 
 Jupiter MOID = 2.20325 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457745.5 (2016-Dec-23.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777261558260387 4.7676e-08  
q 2.1899012676233 1.2882e-07 au
tp 2457181.203293822685
(2015-Jun-07.70329382)
8.3785e-05 TDB
node 14.28256210842727 2.3033e-05 deg
peri 274.6114705500889 3.0658e-05 deg
i 13.11330373656549 7.5023e-06 deg
  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
 Jupiter MOID = 2.20325 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.272989501439604E-15 -6.078343289224148E-15 -1.565661576724465E-13 2.586297542010188E-15 -9.586024450269543E-14 -6.898498152584665E-15
q -6.078343289224148E-15 1.659435924875122E-14 4.54008074530641E-13 -8.641022534780398E-15 2.94977156938324E-13 2.173332260219463E-14
tp -1.565661576724465E-13 4.54008074530641E-13 7.019896159846307E-9 -9.064962645620244E-12 1.705983384347644E-9 9.306135031351576E-12
node 2.586297542010188E-15 -8.641022534780398E-15 -9.064962645620244E-12 5.305039147590837E-10 -5.18416550805625E-10 2.16735103983139E-13
peri -9.586024450269543E-14 2.94977156938324E-13 1.705983384347644E-9 -5.18416550805625E-10 9.398922967604839E-10 2.413263612904358E-12
i -6.898498152584665E-15 2.173332260219463E-14 9.306135031351576E-12 2.16735103983139E-13 2.413263612904358E-12 5.628501665846962E-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 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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