Contents  on 5 November '17

Asteroid/Comet Connection (A/CC) Resources:

The latest A/CC news is available via framed access, RSS news feed RSS news feed, or redirection.

Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. To keep track of what's new each day, watch the Chronology section.

Traffic Report  on 5 November '17

Four objects reported inside ten LD

There are four visitors reported traveling within ten lunar distances (LD) of our planet today. Nearest is risk-listed 2017 UJ43, which comes its closest to Earth this time around -- 4.54 LD at 1103 UTC.

Earth passage I D ~Size Distance Today  Notes
4.54 LD today2017 UJ43 10 m  4.54 LD Earth closest at 1103 UTC, risk
4.68 LD Nov. 12017 UD43 7 m  7.84 to 9.49 LD
6.58 LD Oct. 312017 UO43 9 m  9.13 to 10.04 LD exits ten LD
7.05 LD today2017 US7 13 m  7.05 LD Earth closest at 0602 UTC
8.66 LD Nov. 17444584 2006 UK 309 m  < 10 LD Nov. 16 - DOU

This report was generated at 1810 UTC with follow-up in today's DOU MPEC for approaching 444584 2006 UK.

Reading:  NASA/JPL has a news item about the campaign to track returning intruder 2012 TC4.

Notes: Ten times the distance to the Moon (ten LD) has no astronomical importance but is a useful boundary for reporting about transient natural objects that approach our planet's gravitational sphere of influence (SOI), which has a radius of about 2.41 LD from Earth's center. This puts a focus on some of the most important and very best NEO observation work, representative of the much larger NEO discovery and tracking effort. Object distances are derived by A/CC from JPL Horizons data. See also current sky chart and object details (alt-details), ephemerides, and today's timeline.

NEOCP Activity  on 5 November '17

The MPC's NEO Confirmation Page has 66 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 66 objects listed. Of these, 22 were "one nighters." So far The Tracking News has counted a total of 71 listings on the NEOCP today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object at Suno Observatory by Birtwhistle et al.

New MPECs  on 5 November '17

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there has been one MPEC posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.

<< DOU on 5 Nov. '17 >>  MPEC 2017-V15 - "12:10 UT" - Daily Orbit Update

Observers  on 5 November '17

Four observers appear in today's MPEC.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 6 in MPEC 2017-V15 -- 2017 TS3, 2017 RX15, 2017 PT25, 2017 NH, 2017 ME7, 2017 MB4
T08ATLAS Mauna Loa in Hawaii, 4 in MPEC 2017-V15 -- 68950, 337228, 333888, 1980
160Castelmartini Obs. in Italy, 3 in MPEC 2017-V15 -- 85839, 444584, 159399
F51Pan-STARRS 1 (PS1) in Hawaii, 3 in MPEC 2017-V15 -- 55408, 475967, 137799
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 5 November '17

At last check (NEODyS at 2358 UTC) there was no risk monitoring news to report yet today. Visit the CRT to view activity in the last four weeks and our ephemerides page for a complete list of risk-rated objects under current observation or having recent news.

Chronology  on 5 November '17

Times are UTC for when items were noted or added by The Tracking News.

1810Generated Traffic Report
1546Grabbed MPEC 2017-V15 - Daily Orbit Update - see above