NUEVO SERVICIO DE SADEYA/INFORTECNICA Un nuevo servicio de efemérides de SADEYA/Infortécnica, desconocemos otro semejante, es la previsión de órbita de impacto de los asteroides que presentan riesgo de choque por cruce de órbitas y su limitado número de observaciones. De estar en situación de improbable impacto, las efemérides deberían ser semejantes a las calculadas. Es interesante observar el área de posible aproximación del asteroide. De encontrarse cerca, huelga decir que sería muy trascendente la astrometría de aproximación. Datos complementarios pueden obtenerse en las webs de J.P.L. Y Neodys. En 2015 hay varias previsiones de riesgo de impacto en grado 0 de la escala Torino (J.P.L.). No obstante, algunos de ellos son cuerpos potencialmente destructivos como el que nos ocupa: SADEYA/INFORTECNICA EFEMERIDES (DOS CUERPOS) FICTICIAS DE APROXIMACION DEL ASTEROIDE 2006 CD, EN 2015 7 11 T= 2456757.144007218 PERI= 257.8918 NODO= 109.211 INCL= 8.29778 EXC= .3644744 q= .79980324787 H= 21.1 Fecha A.R.(2000)Dec. Delta r. Elon. F.A. Mag 2006 CD 2015.0509 18.2402 -6.155 0.493 1.376 129.4 34.5 22.2 2015.0510 18.2508 -6.069 0.483 1.371 130.0 34.3 22.1 2015.0511 18.2612 -5.584 0.473 1.366 130.6 34.1 22.0 2015.0512 18.2714 -5.497 0.463 1.361 131.2 33.9 22.0 2015.0513 18.2814 -5.410 0.454 1.356 131.8 33.7 21.9 2015.0514 18.2912 -5.322 0.444 1.351 132.4 33.5 21.9 2015.0515 18.3008 -5.234 0.435 1.346 133.0 33.3 21.8 2015.0516 18.3102 -5.145 0.426 1.340 133.6 33.1 21.7 2015.0517 18.3194 -5.056 0.416 1.335 134.2 32.8 21.7 2015.0518 18.3284 -4.567 0.407 1.330 134.8 32.6 21.6 2015.0519 18.3372 -4.477 0.398 1.325 135.4 32.4 21.6 2015.0520 18.3458 -4.387 0.389 1.320 136.0 32.1 21.5 2015.0521 18.3542 -4.296 0.380 1.314 136.6 31.9 21.4 2015.0522 18.3624 -4.206 0.371 1.309 137.2 31.7 21.4 2015.0523 18.3703 -4.115 0.362 1.304 137.8 31.4 21.3 2015.0524 18.3781 -4.024 0.353 1.298 138.4 31.2 21.2 2015.0525 18.3857 -3.533 0.345 1.293 139.0 30.9 21.2 2015.0526 18.3930 -3.441 0.336 1.287 139.6 30.6 21.1 2015.0527 18.4002 -3.350 0.327 1.282 140.2 30.4 21.0 2015.0528 18.4071 -3.259 0.319 1.276 140.8 30.1 20.9 2015.0529 18.4139 -3.168 0.310 1.271 141.3 29.8 20.9 2015.0530 18.4204 -3.077 0.302 1.265 141.9 29.6 20.8 2015.0531 18.4267 -2.586 0.294 1.260 142.5 29.3 20.7 2015.0601 18.4329 -2.496 0.286 1.254 143.1 29.0 20.6 2015.0602 18.4388 -2.405 0.277 1.249 143.7 28.7 20.6 2015.0603 18.4445 -2.316 0.269 1.243 144.2 28.4 20.5 2015.0604 18.4501 -2.226 0.261 1.237 144.8 28.2 20.4 2015.0605 18.4554 -2.137 0.253 1.232 145.4 27.9 20.3 2015.0606 18.4606 -2.048 0.246 1.226 145.9 27.6 20.2 2015.0607 18.4656 -1.560 0.238 1.220 146.4 27.3 20.1 2015.0608 18.4704 -1.473 0.230 1.214 147.0 27.0 20.1 2015.0609 18.4750 -1.386 0.222 1.209 147.5 26.8 20.0 2015.0610 18.4795 -1.300 0.215 1.203 148.0 26.5 19.9 2015.0611 18.4838 -1.214 0.207 1.197 148.5 26.2 19.8 2015.0612 18.4880 -1.130 0.200 1.191 149.0 26.0 19.7 2015.0613 18.4921 -1.046 0.192 1.185 149.5 25.7 19.6 2015.0614 18.4960 -0.562 0.185 1.179 150.0 25.5 19.5 2015.0615 18.4998 -0.480 0.178 1.174 150.5 25.2 19.4 2015.0616 18.5035 -0.398 0.170 1.168 150.9 25.0 19.3 2015.0617 18.5071 -0.317 0.163 1.162 151.3 24.8 19.2 2015.0618 18.5107 -0.237 0.156 1.156 151.7 24.5 19.1 2015.0619 18.5142 -0.157 0.149 1.150 152.1 24.3 18.9 2015.0620 18.5178 -0.078 0.142 1.144 152.5 24.2 18.8 2015.0621 18.5213 +0.001 0.135 1.138 152.9 24.0 18.7 2015.0622 18.5249 +0.079 0.128 1.132 153.2 23.8 18.6 2015.0623 18.5286 +0.158 0.121 1.126 153.5 23.7 18.4 2015.0624 18.5325 +0.236 0.114 1.120 153.8 23.6 18.3 2015.0625 18.5365 +0.315 0.107 1.114 154.0 23.5 18.1 2015.0626 18.5409 +0.396 0.101 1.108 154.3 23.4 18.0 2015.0627 18.5456 +0.478 0.094 1.102 154.5 23.4 17.8 2015.0628 18.5509 +0.562 0.087 1.096 154.6 23.3 17.7 2015.0629 18.5568 +1.051 0.081 1.090 154.8 23.4 17.5 2015.0630 18.5636 +1.144 0.074 1.084 154.9 23.4 17.3 2015.0701 18.5716 +1.246 0.067 1.078 154.9 23.5 17.1 2015.0702 18.5812 +1.359 0.061 1.072 154.9 23.6 16.8 2015.0703 18.5929 +1.487 0.054 1.066 154.9 23.8 16.6 2015.0704 19.0077 +2.038 0.048 1.060 154.8 24.0 16.3 2015.0705 19.0271 +2.225 0.041 1.054 154.6 24.3 16.0 2015.0706 19.0536 +2.469 0.035 1.048 154.3 24.8 15.6 2015.0707 19.0919 +3.207 0.028 1.042 153.9 25.4 15.2 2015.0708 19.1522 +4.126 0.022 1.036 153.1 26.3 14.6 2015.0709 19.2611 +5.439 0.016 1.030 151.5 28.0 13.9 2015.0710 19.5142 +9.090 0.009 1.024 147.2 32.4 12.9 2015.0711 21.4015 +21.185 0.004 1.018 124.5 55.3 11.6