• Asteroid 2018 RJ3 flew past Earth at 0.44 LD, 6th in 7 days

    A newly discovered asteroid designated 2018 RJ3 flew past Earth at a distance of 0.44 LD / 0.00112 AU (167 549 km / 104 110 miles) on September 7, 2018. This is the 6th known asteroid to flyby Earth within 1 lunar distance since September 3, including 2018 RW on…

  • Asteroid 2018 RE2 flew past Earth at 0.99 LD on September 6

    A newly discovered asteroid designated 2018 RE2 flew past Earth at a distance of 0.99 LD / 0.00255 AU (381 474 km / 237 037 miles). 2018 RE2 belongs to the Apollo group of asteroids. It was first observed at Palomar Mountain (ZTF) on September 7, one day after it…

  • Asteroid 2018 RR1 flew past Earth at 0.94 LD on September 3

    A newly discovered asteroid designated 2018 RR1 flew past Earth at a distance of 0.94 LD / 0.00242 AU (362 026 km / 224 953 miles) on September 3, 2018. This object belongs to the Apollo group of asteroids. It was first observed at Mt. Lemmon Survey on September 7,…

  • Asteroid 2018 RW flew past Earth at 0.44 LD on September 8

    A newly discovered asteroid designated 2018 RW flew past Earth at a distance of 0.44 LD / 0.00114 AU (170 541 km / 105 969 miles) at 05:18 UTC on September 8, 2018. This is the 43rd known asteroid to flyby Earth within 1 lunar distance this year and the second since…

  • Newly discovered asteroid 2018 RS flew past Earth at 0.28 LD

    A newly discovered asteroid designated 2018 RS flew past Earth at a very close distance of 0.28 LD / 0.00071 AU (106 214 km / 65 998 miles) on September 5, 2018, one day before it was discovered. Asteroid 2018 RS belongs to the Apollo group of asteroids. It was…

  • Asteroid 2018 RC to flyby Earth at 0.58 LD on September 9

    A newly discovered asteroid designated 2018 RC will flyby Earth at a distance of 0.58 LD / 0.00150 AU (224 396 km / 139 433 miles) on September 9, 2018. This is the 41st known asteroid to flyby Earth within 1 lunar distance since January 1. 2018 RC was discovered at…

  • Night sky guide for September 2018

    The Moon will be located on the same side of the Earth as the Sun and will not be visible in the night sky on September 9. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere. The…

  • Asteroid 2018 QR1 flew past Earth at 0.23 LD

    A newly discovered asteroid designated 2018 QR1 flew past Earth at a very close distance of 0.23 LD / 0.00059 AU (88 262​ km / 54 843​ miles) on August 21, 2018. This object belongs to the Apollo group of asteroids. It was first observed at Palomar Mountain…