Contents  on 4 July '18

NOTE:  These A/CC news pages will update less often for an extended period. All discoveries and observing credits will be reported, but we may miss some interim impact risk assessments and undercount NEOCP objects, and there may be some days without a traffic report for Earth's Busy Neighborhood.

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 4 July '18

Two objects reported inside ten LD

Two transient natural objects are known to be within ten lunar distances (LD) of our home world today. Nearest is 2018 MB7, which comes its closest to Earth on this passage, reaching 2.78 LD at 0852 UTC.

Neighborhood Traffic - sorted by Earth passage distance, grouped by 5.0 & 10.0 LD boundaries
2.78 LD today 2018 MB7 59 m  2.78 LD June 30 - July 8 Earth closest at 0852 UTC - DOU
6.01 LD June 29 2018 LR3 19 m  7.04 to 7.53 LD June 20 - July 8 NHATS target, risk
Approaching - sorted by 10-LD bubble entry date
9.36 LD Aug. 27 2018 LQ2 39 m  16.55 from 16.70 LD Aug. 17 - Sept. 6 NHATS target - DOU
4.22 LD Aug. 29 1998 SD9 49 m  178.57 from 184.60 LD Aug. 25 - Sept. 2

This report was generated at 2336 UTC with follow-up in today's DOU MPEC for approaching 2018 LQ2, passing 2018 MB7, and departed objects 2018 MG7, 441987 2010 NY65, and 68347 2001 KB67.



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 temporal 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 4 July '18

The MPC's NEO Confirmation Page has 12 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had twelve objects listed. Of these, three were "one nighters." So far The Tracking News has counted a total of nineteen 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 4 July '18

Minor Planet Electronic Circulars

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


MPEC 2018-N15 - "23:50 UT" - 2005 LA37


MPEC 2018-N14 - "18:40 UT" - 2018 NE


MPEC 2018-N13 - "18:37 UT" - 2018 ND


MPEC 2018-N12 - "18:34 UT" - 2018 NC


MPEC 2018-N11 - "18:30 UT" - 2018 MR8


<< DOU on 4 July '18 >>  MPEC 2018-N10 - "12:04 UT" - Daily Orbit Update

Observers  on 4 July '18

A total of 27 observers appear in today's MPECs.

CodeObserver / observatory
E23Arcadia Obs. in New South Wales, 1 in MPEC 2018-N11 -- 2018 MR8
H21Astronomical Research Obs. Westfield in Illinois, 10 in MPECs 2018-N10, 2018-N12, 2018-N13 & 2018-N14 -- 2018 NE, 2018 ND, 2018 NC, 2018 MJ7, 2018 MB7, 2018 LQ2, 2018 JC3, 2018 GA5, 2014 UV, 2014 UF176
T05ATLAS Haleakala in Hawaii, 1 in MPEC 2018-N10 -- 1036
T08ATLAS Mauna Loa in Hawaii, 2 in MPEC 2018-N10 -- 138847, 3752
X74Campo dos Amarais Obs., 1 in MPEC 2018-N10 -- 96189
160Castelmartini Obs. in Italy, 3 in MPEC 2018-N10 -- 2011 GA62, 398188, 14402
703Catalina Sky Survey (CSS) in Arizona, 18 in MPECs 2018-N10 & 2018-N12 -- 2018 NC, 2013 QH10, 87309, 86039, 68350, 68347, 518463, 469737, 441987, 302591, 16834, 15745, 155334, 3552, 1865, 1627, 719, 433
K87Dettelbach Vineyard Obs. in Germany, 2 in MPECs 2018-N12 & 2018-N13 -- 2018 ND, 2018 NC
J95Great Shefford Obs. in England, 3 in MPECs 2018-N12, 2018-N13 & 2018-N14 -- 2018 NE, 2018 ND, 2018 NC
Q62iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2018-N11 -- 2018 MR8
Q62[M. Suzuki in Japan via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2018-N11 -- 2018 MR8
T04LCO Haleakala OGG B#2 in Hawaii, 1 in MPEC 2018-N10 -- 1627
G96Mt. Lemmon Survey (MLS) in Arizona, 8 in MPECs 2018-N10, 2018-N13 & 2018-N14 -- 2018 NE, 2018 ND, 2017 NK, 88263, 516976, 514652, 37336, 366615
Z80Northolt Branch Obs. in England, 3 in MPEC 2018-N10 -- 2018 NA, 2018 MG7, 441987
I41Palomar Transient Factory in southern California, 1 in MPEC 2018-N15 -- 2005 LA37
F51Pan-STARRS 1 (PS1) in Hawaii, 3 in MPECs 2018-N10, 2018-N11 & 2018-N14 -- 2018 NE, 2018 MR8, 2001 TZ1
F52Pan-STARRS 2 (PS2) in Hawaii, 3 in MPEC 2018-N10 -- 364877, 220839, 5626
K63Pascoli Obs. in Italy, 1 in MPEC 2018-N13 -- 2018 ND
L04ROASTERR-1 in Romania, 3 in MPEC 2018-N10 -- 2018 NA, 2018 MB7, 2018 LF5
104San Marcello Pistoiese Obs. in Italy, 2 in MPECs 2018-N13 & 2018-N15 -- 2018 ND, 2005 LA37
H36Sandlot Obs. in Kansas, 2 in MPECs 2018-N11 & 2018-N13 -- 2018 ND, 2018 MR8
Y00SONEAR in Brazil, 1 in MPEC 2018-N10 -- 96189
691Spacewatch 0.9m telescope in Arizona, 2 in MPEC 2018-N10 -- 2018 ME7, 2018 LU5
291Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2018-N10 -- 2018 LQ5
I52Steward Obs. Mt. Lemmon Station in Arizona, 16 in MPECs 2018-N10, 2018-N11, 2018-N12, 2018-N13 & 2018-N14 -- 2018 NE, 2018 ND, 2018 NC, 2018 NA, 2018 MR8, 2018 MK8, 2018 MG7, 2018 LN, 2018 LG, 2018 LF5, 2018 KM2, 2018 KG1, 2018 FS1, 2018 DJ4, 2018 BY2, 86067
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPEC 2018-N10 -- 2018 LU2, 2018 GA
L01Visnjan Obs., 1 in MPEC 2018-N13 -- 2018 ND
C51WISE in Earth polar orbit, 27 in MPEC 2018-N10 -- 2017 WA15, 2016 YN, 2015 VD66, 2014 QC433, 2014 HJ129, 2011 WS2, 2011 OV18, 2010 XP51, 2010 WE9, 2010 ON101, 2010 MQ1, 2010 LQ33, 2010 LG64, 2010 LF86, 2010 KY127, 2010 KK127, 2010 FJ81, 2010 FA81, 2010 DH77, 2010 CH18, 2009 OG, 2008 WB59, 2007 YZ, 2005 QL, 2005 CR37, 2003 SJ154, 516984
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 4 July '18

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 4 July '18

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

2358Grabbed MPEC 2018-N15 - 2005 LA37 - see above
2336Generated Traffic Report
2208Grabbed MPEC 2018-N11 - 2018 MR8 - see above
Grabbed MPEC 2018-N12 - 2018 NC - see above
Grabbed MPEC 2018-N13 - 2018 ND - see above
Grabbed MPEC 2018-N14 - 2018 NE - see above
1454Grabbed MPEC 2018-N10 - Daily Orbit Update - see above