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243178 (2007 TW147)
Classification: Main-belt Asteroid          SPK-ID: 2243178
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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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 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082535107240815 8.5922e-08  
a 3.002466209643351 3.8285e-08 au
q 2.677438701619032 2.6888e-07 au
i 9.530630481809533 7.7184e-06 deg
node 46.17681051690762 5.321e-05 deg
peri 282.8289132769107 6.1469e-05 deg
M 196.2925572820914 3.0265e-05 deg
tp 2459864.634895597858
(2022-Oct-12.13489560)
0.00016166 TDB
period 1900.271345336932
5.20
3.6346e-05
9.951e-08
d
yr
n .1894466287056333 3.6235e-09 deg/d
Q 3.32749371766767 4.2429e-08 au
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6810 days (18.64 yr)  
   first obs. used      2001-06-30  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:58:09  

Additional Information
 Earth MOID = 1.68769 au 
 Jupiter MOID = 2.04782 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457235.5 (2015-Aug-01.0) TDB
Reference: JPL 16 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1067238281723226 8.5709e-08  
q 2.68335876308059 2.6748e-07 au
tp 2457962.788520999936
(2017-Jul-28.28852100)
0.00016276 TDB
node 46.20700094622115 5.3218e-05 deg
peri 282.5052511165543 6.176e-05 deg
i 9.528293215187189 7.7161e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      247  
   data-arc span      6810 days (18.64 yr)  
   first obs. used      2001-06-30  
   last obs. used      2020-02-21  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57439  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Nov-12 00:58:09  

Additional Information
 Jupiter MOID = 2.04782 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.346069203325248E-15 -2.275084753983818E-14 5.420364306879491E-12 -1.856918509165931E-14 1.152840298365191E-12 -3.460374677858016E-15
q -2.275084753983818E-14 7.154595798205606E-14 -1.661308722205234E-11 5.275318383197872E-14 -3.627088605108652E-12 1.460674886512643E-14
tp 5.420364306879491E-12 -1.661308722205234E-11 2.648989615673207E-8 5.245679465081417E-11 5.212208782815838E-9 -7.642188738613884E-12
node -1.856918509165931E-14 5.275318383197872E-14 5.245679465081417E-11 2.83215739437029E-9 -2.782466599384587E-9 -2.061698194508094E-10
peri 1.152840298365191E-12 -3.627088605108652E-12 5.212208782815838E-9 -2.782466599384587E-9 3.814312615240497E-9 2.01693416997026E-10
i -3.460374677858016E-15 1.460674886512643E-14 -7.642188738613884E-12 -2.061698194508094E-10 2.01693416997026E-10 5.953843366374074E-11

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 15.6   n/a MPO470593  
diameter diameter 6.180 km 0.075 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  
geometric albedo albedo 0.035   0.007 urn:nasa:pds:neowise_diameters_albedos::2.0[mainbelt] (http://adsabs.harvard.edu/abs/2011ApJ...741...68M)  

243178 (2007 TW147)          Discovered 2007-Oct-07 by LINEAR at Socorro
Reference: 20100626/Numbers.arcLast Updated: 2010-06-28

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