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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 
[ show covariance matrix ]

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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Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1902-Jan-02 19:26 00:15 Iris 0.0371053191320624 0.0370849037235383 0.0371257753592431 4.68158626915067 4.68158623605709 2415752.309691033 14.6000327035802 2195.87041852999 75.6858053378584 62.4259627862753 64994.181679768 T 16 CATAB v2.0f-lin.ifort 2020-Nov-12 00:58:10 2020-Nov-12 00:58
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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