Research Article

The Potentially Dangerous Asteroid (101955) Bennu

Table 8

CAs of the asteroid (101955) Bennu with the earth using different JPL ephemerides.

Date (TDB)Distance (au)JPL ephemerides

2037/02/11.56138 0.09871325 DE403
2037/02/11.56137 0.09871324 DE405
2037/02/11.56139 0.09871324 DE414
2037/02/11.56139 0.09871324DE423

2043/02/09.76129 0.09662666 DE403
2043/02/09.76129 0.09662666DE405
2043/02/09.76129 0.09662666DE414
2043/02/09.76129 0.09662666DE423

2054/09/30.04168 0.03929934 DE403
2054/09/30.04168 0.03929934DE405
2054/09/30.04168 0.03929933DE414
2054/09/30.04168 0.03929933 DE423

2060/09/23.02527 0.00500821 DE403
2060/09/23.02527 0.00500821DE405
2060/09/23.02527 0.00500820DE414
2060/09/23.02528 0.00500820 DE423

2068/02/15.13995 0.07047081DE403
2068/02/15.13995 0.07047080DE405
2068/02/15.13995 0.07047082DE414
2068/02/15.13992 0.07047086DE423

2080/09/22.03401 0.01545136DE403
2080/09/22.03405 0.01545092DE405
2080/09/22.03394 0.01545204DE414
2080/09/22.03363 0.01545533DE423

2080/09/(22.03132 ÷ 22.03663)  (0.01542356 ÷ 0.01547990) au

2087/10/01.74349 0.05128111DE403
2087/10/01.74185 0.05127374DE405
2087/10/01.74603 0.05129252DE414
2087/10/01.75828 0.05134743DE423

2087/10/(01.64017 ÷ 01.85015)  (0.05081501 ÷ 0.05175733) au

2102/02/17.42477 0.08038730DE403
2102/02/17.42478 0.08038790DE405
2102/02/17.42477 0.0803863DE414
2102/02/17.42471 0.08038179DE423

2102/02/(17.42405 ÷ 17.42481)  (0.08034178 ÷ 0.08041831) au

2135/09/25.58891 0.00353782DE403
2135/09/25.58977 0.00354536DE405
2135/09/25.58759 0.00352619DE414
2135/09/25.58122 0.00347058DE423

2135/09/(25.53554 ÷ 25.64539)  (0.00307325 ÷ 0.00403380) au

2141/09/26.48864 0.01531402DE403
2141/09/26.23228 0.01343206DE405
2141/09/26.89761 0.01823168DE414
2141/09/29.12483 0.03233813DE423

2141/09/(16.49276 ÷ 53.82944)  (0.00492126 ÷ 0.09701912) au