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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 ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1082535102331316 8.6451e-08  
a 3.002466209711408 3.8688e-08 au
q 2.677438703153783 2.7098e-07 au
i 9.53062970494376 7.8105e-06 deg
node 46.17681132608404 5.3276e-05 deg
peri 282.8289129468084 6.1875e-05 deg
M 196.2925568530786 3.065e-05 deg
tp 2459864.634897891797
(2022-Oct-12.13489789)
0.00016331 TDB
period 1900.271345401542
5.20
3.6729e-05
1.006e-07
d
yr
n .189446628699192 3.6617e-09 deg/d
Q 3.327493716269034 4.2876e-08 au
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2001-06-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:17:54  

Additional Information
 Earth MOID = 1.68769 au 
 Jupiter MOID = 2.04782 au 
 T_jup = 3.222 
[ hide covariance matrix ]
Orbital Elements at Epoch 2457215.5 (2015-Jul-12.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1066578463587022 8.6206e-08  
q 2.683770029413699 2.6949e-07 au
tp 2457962.716864861044
(2017-Jul-28.21686486)
0.00016554 TDB
node 46.2100734648134 5.3287e-05 deg
peri 282.4727420215862 6.22e-05 deg
i 9.527770969239761 7.8075e-06 deg
  Orbit Determination Parameters
   # obs. used (total)      239  
   data-arc span      6791 days (18.59 yr)  
   first obs. used      2001-06-30  
   last obs. used      2020-02-02  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .57927  
   source      ORB  
   producer      Otto Matic  
   solution date      2020-Feb-25 09:17:54  

Additional Information
 Jupiter MOID = 2.04782 au 
 T_jup = 3.222 
Orbit Covariance (6×6)
  e q tp node peri i
e 7.431521547389142E-15 -2.305422844258903E-14 5.705561285543795E-12 -1.64900465352825E-14 1.216499171002788E-12 -4.366157764282787E-15
q -2.305422844258903E-14 7.262299709213626E-14 -1.762168626360966E-11 4.586367509658258E-14 -3.852968195619338E-12 1.741712115113132E-14
tp 5.705561285543795E-12 -1.762168626360966E-11 2.740281507390572E-8 5.501349638301602E-11 5.419695214930084E-9 -8.736552488477229E-12
node -1.64900465352825E-14 4.586367509658258E-14 5.501349638301602E-11 2.83948646245567E-9 -2.789154187831836E-9 -2.093079542414376E-10
peri 1.216499171002788E-12 -3.852968195619338E-12 5.419695214930084E-9 -2.789154187831836E-9 3.868787387674617E-9 2.04558786854766E-10
i -4.366157764282787E-15 1.741712115113132E-14 -8.736552488477229E-12 -2.093079542414376E-10 2.04558786854766E-10 6.095768359032295E-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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