• Asteroid 2018 BD missed Earth by just 0.10 LD on January 18

    A newly discovered asteroid designated 2018 BD flew past Earth at a very close distance of 0.10 LD / 0.00026 AU (~38 895 km / 24 168 miles) at 15:43 UTC on January 18, 2018, some 7 hours after it was discovered. This is the fourth closest approach to our planet…

  • Asteroid 2018 BC to flyby Earth at 0.73 LD on January 19

    A newly discovered asteroid designated 2018 BC will flyby Earth at a distance of 0.73 LD / 0.00189 AU (~ 282 739 km / 175 686 miles) on January 19, 2018. This is the second known asteroid to flyby Earth within 1 lunar distance since January 1, 2018, and 55th since…

  • Return of the Comet: 96P spotted by ESA, NASA satellites

    The ESA (European Space Agency) and NASA mission SOHO — short for Solar and Heliospheric Observatory — got a visit from an old friend this week when comet 96P entered its field of view on October 25, 2017. The comet entered the lower right corner of…

  • Comet 96P/Machholz enters field view of LASCO coronagraphs

    For the fifth time since SOHO launched in 1995, fascinating comet 96P/Machholz will be entering the field of view of the SOHO/LASCO coronagraphs. This year, however, it will also pass through the view of STEREO-A/SECCHI COR1 and COR-2 coronagraphs. For the first…

  • Spinning comet rapidly slowed down during close approach to Earth

    Astronomers at Lowell Observatory observed comet 41P/Tuttle-Giacobini-Kresak last spring and noticed that the speed of its rotation was quickly slowing down. A research team led by David Schleicher studied the comet while it was closer to the Earth than it has ever…