Contents  on 28 September '11

Resources:

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NEOCP Activity  on 28 September '11

The Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) was not checked on this day.

New MPECs  on 28 September '11

Minor Planet Electronic Circulars

There were four MPECs posted this day from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2011-S90 - "15:40 UT" - 2011 SA121


MPEC 2011-S89 - "15:38 UT" - 2011 SZ120


MPEC 2011-S88 - "15:37 UT" - 2011 SY120


<< DOU on 28 Sept. '11 >>  MPEC 2011-S87 - "06:04 UT" - Daily Orbit Update

Observers  on 28 September '11

A total of 24 observers appeared in this day's MPECs.

CodeObserver / observatory
A50Andrushivka Obs. in the Ukraine, 1 in MPEC 2011-S87 -- 288914
621Bergisch Gladbach Obs. in Germany, 1 in MPEC 2011-S87 -- 283457
160Castelmartini Obs. in Italy, 7 in MPEC 2011-S87 -- 2011 SQ12, 2011 QE38, 2011 PT1, 2011 LJ19, 2011 HC36, 2004 SV55, 1991 TF3
703Catalina Sky Survey (CSS) in Arizona, 4 in MPEC 2011-S87 -- 2011 QE38, 190491, 8035, 7341
807|Robert Holmes in Illinois via Cerro Tololo Inter-American Obs. (CTIO) in Chile, 2 in MPEC 2011-S87 -- 2011 QX8, 2011 MW2
821Cordoba-Bosque Alegre Obs., 6 in MPEC 2011-S87 -- 2011 SQ12, 2011 SK16, 2011 SF3, 2011 QY37, 2011 QD48, 2004 FF29
106Crni Vrh Obs. in Slovenia, 3 in MPEC 2011-S87 -- 2011 SF25, 2011 OV4, 39572
J04ESA Optical Ground Station (ESA OGS) in the Canary Islands, 4 in MPEC 2011-S87 -- 2011 SM68, 2011 SB16, 2011 QH21, 2005 CJ
J19El Maestrat Obs. in Spain, 1 in MPEC 2011-S87 -- 3988
F65%Tim Lister in southern California via Faulkes Telescope North in Hawaii, 1 in MPEC 2011-S89 -- 2011 SZ120
C73Galati Obs., 1 in MPEC 2011-S87 -- 152942
A17Guidestar Obs. in Germany, 3 in MPEC 2011-S87 -- 2011 RJ1, 2011 QE48, 154302
379Hamamatsu-Yuto Obs. in Japan, 2 in MPEC 2011-S87 -- 2011 LJ19, 1917
H15ISON-NM Obs. in New Mexico, 1 in MPEC 2011-S87 -- 8176
046Klet Obs. in the Czech Republic, 8 in MPEC 2011-S87 -- 2011 SS25, 2011 SQ12, 2011 SO32, 2011 QE38, 2011 PT1, 2011 OV4, 2011 OQ5, 2011 LJ19
704LINEAR in New Mexico, 10 in MPEC 2011-S87 -- 2011 RJ1, 2011 HD63, 2004 SV55, 288914, 274855, 190208, 190166, 152942, 5653, 2368
950.Ovidiu Vaduvescu via La Palma in the Canary Islands, 1 in MPEC 2011-S87 -- 2011 QH21
H01Magdalena Ridge Obs. (MRO) in New Mexico, 2 in MPECs 2011-S89 & 2011-S90 -- 2011 SZ120, 2011 SA121
G96Mt. Lemmon Survey (MLS) in Arizona, 7 in MPECs 2011-S87, 2011-S88 & 2011-S90 -- 2011 SY120, 2011 SO32, 2011 SL102, 2011 SA121, 2011 QE48, 2001 UE5, 23714
A24New Millennium Obs. in Italy, 20 in MPEC 2011-S87 -- 2011 KP17, 2011 KN9, 2011 JP29, 2010 NJ1, 2009 WW104, 2004 LH, 2004 JO2, 68348, 37336, 267759, 20086, 163250, 137170, 8567, 7482, 3288, 3103, 2102, 1917, 1036
F51Pan-STARRS 1 in Hawaii, 1 in MPEC 2011-S89 -- 2011 SZ120
J84South Obs. in England, 1 in MPEC 2011-S87 -- 138524
291Spacewatch 1.8m telescope in Arizona, 3 in MPECs 2011-S87 & 2011-S88 -- 2011 SZ15, 2011 SY120, 2011 SB16
G56Walnut Creek Obs. in northern California, 3 in MPEC 2011-S87 -- 2011 QE48, 2011 PT1, 2011 LJ19
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 28 September '11

Risk monitoring news was not checked on this day.

Chronology  on 28 September '11

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

2332 9/29Grabbed MPEC 2011-S87 - Daily Orbit Update - see above
Grabbed MPEC 2011-S90 - 2011 SA121 - see above
2331 9/29Grabbed MPEC 2011-S88 - 2011 SY120 - see above
Grabbed MPEC 2011-S89 - 2011 SZ120 - see above