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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 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777133886218561 5.01e-08  
a 2.662847709176448 2.3065e-08 au
q 2.189624019394754 1.3387e-07 au
i 13.10816009715722 7.939e-06 deg
node 14.2372554687969 2.3406e-05 deg
peri 274.3446585866221 3.1296e-05 deg
M 98.29083150951685 2.1352e-05 deg
tp 2458767.160348895505
(2019-Oct-10.66034890)
9.2135e-05 TDB
period 1587.149808398087
4.35
2.0621e-05
5.646e-08
d
yr
n .226821688850751 2.947e-09 deg/d
Q 3.136071398958141 2.7164e-08 au
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:05:12  

Additional Information
 Earth MOID = 1.21961 au 
 Jupiter MOID = 2.20439 au 
 T_jup = 3.325 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457710.5 (2016-Nov-18.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1777114537597437 4.9927e-08  
q 2.189986404384446 1.3346e-07 au
tp 2457181.212585508645
(2015-Jun-07.71258551)
8.802e-05 TDB
node 14.28248759073876 2.3387e-05 deg
peri 274.6173430711057 3.1316e-05 deg
i 13.11329517409063 7.9414e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      261  
   data-arc span      8150 days (22.31 yr)  
   first obs. used      1998-09-17  
   last obs. used      2021-01-09  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57435  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Feb-24 15:05:12  

Additional Information
 Jupiter MOID = 2.20439 au 
 T_jup = 3.325 
Orbit Covariance (6×6)
  e q tp node peri i
e 2.492683578077702E-15 -6.595557820484625E-15 2.406525933024876E-13 -5.511983437032937E-16 -1.446955238712479E-14 -5.105578780563372E-15
q -6.595557820484625E-15 1.781221241662157E-14 -4.800956957172609E-13 -1.675720509205432E-16 1.025422982256665E-13 1.681306296699756E-14
tp 2.406525933024876E-13 -4.800956957172609E-13 7.747566269016517E-9 -2.608448428785382E-12 1.843476272621169E-9 4.764976226872951E-12
node -5.511983437032937E-16 -1.675720509205432E-16 -2.608448428785382E-12 5.469727155025314E-10 -5.327843845026104E-10 -1.035643823224903E-11
peri -1.446955238712479E-14 1.025422982256665E-13 1.843476272621169E-9 -5.327843845026104E-10 9.806733005590321E-10 1.155947846416626E-11
i -5.105578780563372E-15 1.681306296699756E-14 4.764976226872951E-12 -1.035643823224903E-11 1.155947846416626E-11 6.306652640008707E-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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