RECON: TNO occultation with 10TH

Event between 10TH and star GA0940:00797355 with event index number of 153164

Geocentric closest approach at 2018/09/12 11:24:45 UTC

J2000 position of star is 05:33:36.8 +04:01:44
Equinox of date position of star is 05:34:35.2 +04:02:26
Stellar brightness G=15.7, use SENSEUP=128
Star is 123 degrees from the moon. Moon is 10% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 17.9 AU from the Sun and 17.9 AU from the Earth.
The TNO is moving 10.7 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 123 seconds.
The 1-sigma cross-track error in the shadow position is 1299 km.
The sky-plane scale is 12973.0 km/arcsec.

The TNO has an absolute magnitude Hv=9.2
Diameter=88.3 km assuming a 5% albedo -- 8.3 sec chord
Diameter=36.1 km assuming a 30% albedo -- 3.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10TH, (2018/09/12 11:25UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:11.1 +07:24:33  0.4  6.34 118
Bellatrix      05:26:08.1 +06:21:54  1.6  3.14 125
PPM 149151     05:35:43.3 +05:40:20  6.4  1.66 123
PPM 149085     05:32:26.4 +04:19:41  8.2  0.61 123
PPM 149140     05:35:12.9 +03:42:48  9.9  0.36 123
PPM 149128     05:34:20.7 +04:06:43 11.7  0.10 123
10TH           05:34:36.1 +04:02:26 15.7       123
Positions are for equinox of date

This table contains the target star visibility for the RECON network. The observing range has been set to a maximum of 5.0 sigma about the mid-time.
The median site spacing is 18.1 km RECON observability=1.0 and success probability=18.5%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Penticton	11:16:40	-20.9	Dark	Down	32.1	127.5	Up	11:05:57 - 11:27:24	2644
Oroville	11:16:42	-21.2	Dark	Down	32.5	127.3	Up	11:05:59 - 11:27:26	2591
Tonasket	11:16:40	-21.3	Dark	Down	32.7	127.2	Up	11:05:57 - 11:27:24	2569
Okanogan	11:16:42	-21.6	Dark	Down	32.8	126.8	Up	11:05:59 - 11:27:26	2532
Brewster	11:16:39	-21.9	Dark	Down	32.9	126.5	Up	11:05:55 - 11:27:22	2499
Manson/Chelan	11:16:37	-22.2	Dark	Down	32.8	126.0	Up	11:05:54 - 11:27:21	2466
Entiat	11:16:37	-22.3	Dark	Down	32.9	125.8	Up	11:05:54 - 11:27:21	2443
Wenatchee	11:16:37	-22.5	Dark	Down	33.0	125.6	Up	11:05:54 - 11:27:21	2415
Niwot	11:18:06	-15.8	AT	Down	46.2	138.1	Up	11:07:22 - 11:28:49	2371
Ellensburg	11:16:38	-22.9	Dark	Down	33.1	125.1	Up	11:05:54 - 11:27:21	2367
Pasco	11:16:44	-22.5	Dark	Down	34.3	126.2	Up	11:06:01 - 11:27:28	2345
PNWRO	11:16:47	-22.5	Dark	Down	34.6	126.3	Up	11:06:04 - 11:27:31	2330
Yakima	11:16:39	-23.1	Dark	Down	33.3	124.9	Up	11:05:55 - 11:27:22	2327
Toppenish/White Swan	11:16:39	-23.2	Dark	Down	33.5	125.0	Up	11:05:55 - 11:27:22	2312
George/Umatilla	11:16:44	-22.8	Dark	Down	34.4	125.8	Up	11:06:01 - 11:27:28	2305
Goldendale	11:16:37	-23.7	Dark	Down	33.6	124.2	Up	11:05:54 - 11:27:21	2244
The Dalles	11:16:37	-24.1	Dark	Down	33.5	123.8	Up	11:05:53 - 11:27:20	2209
Maupin	11:16:37	-24.2	Dark	Down	33.8	123.6	Up	11:05:54 - 11:27:21	2172
Madras/Culver	11:16:39	-24.6	Dark	Down	34.1	123.3	Up	11:05:55 - 11:27:22	2117
Redmond	11:16:39	-24.8	Dark	Down	34.3	123.0	Up	11:05:55 - 11:27:22	2080
Sisters	11:16:37	-25.0	Dark	Down	34.0	122.7	Up	11:05:53 - 11:27:20	2068
Bend	11:16:39	-25.0	Dark	Down	34.3	122.8	Up	11:05:55 - 11:27:22	2054
Oregon Observatory	11:16:37	-25.2	Dark	Down	34.3	122.5	Up	11:05:54 - 11:27:21	2032
La Pine/Gilchrist	11:16:37	-25.3	Dark	Down	34.4	122.4	Up	11:05:54 - 11:27:21	2010
North Lake	11:16:41	-25.2	Dark	Down	35.0	122.7	Up	11:05:57 - 11:27:24	1989
Paisley	11:16:43	-25.3	Dark	Down	35.5	122.7	Up	11:06:00 - 11:27:27	1948
Lakeview	11:16:46	-25.4	Dark	Down	35.9	122.6	Up	11:06:02 - 11:27:29	1905
Chiloquin	11:16:38	-26.2	Dark	Down	34.7	121.4	Up	11:05:55 - 11:27:22	1887
Klamath Falls	11:16:39	-26.3	Dark	Down	35.0	121.3	Up	11:05:56 - 11:27:23	1857
Cedarville	11:16:48	-25.7	Dark	Down	36.4	122.4	Up	11:06:04 - 11:27:31	1848
Tulelake	11:16:41	-26.3	Dark	Down	35.3	121.4	Up	11:05:58 - 11:27:25	1841
Fall River/Burney	11:16:42	-26.7	Dark	Down	35.8	120.9	Up	11:05:59 - 11:27:26	1754
Susanville	11:16:48	-26.6	Dark	Down	36.7	121.2	Up	11:06:05 - 11:27:32	1720
Gimple	11:16:47	-26.8	Dark	Down	36.7	120.9	Up	11:06:04 - 11:27:31	1684
Greenville	11:16:48	-26.9	Dark	Down	36.6	120.8	Up	11:06:04 - 11:27:31	1681
Portola	11:16:50	-26.8	Dark	Down	37.1	121.0	Up	11:06:06 - 11:27:33	1667
Reno	11:16:53	-26.5	Dark	Down	37.7	121.5	Up	11:06:10 - 11:27:37	1667
Quincy	11:16:47	-27.0	Dark	Down	36.7	120.7	Up	11:06:03 - 11:27:30	1661
Yerington	11:16:57	-26.3	Dark	Down	38.4	121.8	Up	11:06:13 - 11:27:40	1639
Carson City	11:16:54	-26.6	Dark	Down	37.9	121.3	Up	11:06:10 - 11:27:37	1632
Tonopah	11:17:10	-25.4	Dark	Down	40.2	123.0	Up	11:06:26 - 11:27:53	1628
Hawthorne	11:17:02	-26.1	Dark	Down	39.0	122.0	Up	11:06:19 - 11:27:46	1615
Gardnerville	11:16:55	-26.7	Dark	Down	38.0	121.2	Up	11:06:12 - 11:27:39	1610
Indian Springs	11:17:22	-24.9	Dark	Down	42.1	123.5	Up	11:06:39 - 11:28:06	1552
Lee Vining	11:17:01	-26.8	Dark	Down	39.0	121.1	Up	11:06:18 - 11:27:45	1540
Beatty	11:17:15	-25.6	Dark	Down	41.2	122.7	Up	11:06:32 - 11:27:59	1536
Henderson	11:17:27	-24.6	Dark	Down	42.9	123.8	Up	11:06:44 - 11:28:11	1532
DCO	11:17:40	-23.6	Dark	Down	44.7	125.0	Up	11:06:57 - 11:28:24	1527
Patrick	11:17:36	-24.1	Dark	Down	44.0	124.5	Up	11:06:52 - 11:28:19	1523
Bishop	11:17:06	-26.5	Dark	Down	39.8	121.4	Up	11:06:23 - 11:27:50	1511
Kingman/Dolan Springs	11:17:34	-24.3	Dark	Down	44.0	124.1	Up	11:06:51 - 11:28:18	1493
Searchlight/Boulder City	11:17:28	-24.8	Dark	Down	43.2	123.5	Up	11:06:45 - 11:28:12	1479
Laughlin/Bullhead City	11:17:33	-24.7	Dark	Down	43.6	123.6	Up	11:06:50 - 11:28:17	1467
Lone Pine	11:17:10	-26.7	Dark	Down	40.4	121.2	Up	11:06:27 - 11:27:54	1451
Mohave Valley	11:17:32	-24.8	Dark	Down	43.8	123.4	Up	11:06:49 - 11:28:16	1441
Lake Havasu City	11:17:36	-24.8	Dark	Down	44.2	123.3	Up	11:06:53 - 11:28:20	1414
Parker	11:17:37	-24.9	Dark	Down	44.4	123.1	Up	11:06:54 - 11:28:21	1382
Blythe	11:17:38	-25.3	Dark	Down	44.5	122.3	Up	11:06:54 - 11:28:21	1318
Idyllwild	11:17:26	-26.9	Dark	Down	42.9	120.3	Up	11:06:42 - 11:28:09	1231
Yuma	11:17:41	-25.7	Dark	Down	45.0	121.5	Up	11:06:57 - 11:28:24	1228
Calipatria	11:17:34	-26.3	Dark	Down	44.1	121.0	Up	11:06:51 - 11:28:18	1227
CPSLO	11:17:00	-29.2	Dark	Down	39.2	117.8	Up	11:06:17 - 11:27:44	1215
Wildwood	11:17:14	-28.2	Dark	Down	41.3	118.8	Up	11:06:31 - 11:27:58	1183

Azimuth is measured in degrees eastward from north. North is at an azimuth of 0, due East is at an azimuth of 90 degrees, due South is 180, and due West is 270.

Do not use the listing below for the RECON CPC 1100 telescopes. This is provided for other non-team facilities.

Star training set for 10TH, (2018/09/12 11:25UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  6.34 118
Bellatrix      05:25:07.8 +06:20:58  1.6  3.14 125
PPM 149151     05:34:43.3 +05:39:40  6.4  1.66 123
PPM 149085     05:31:27.0 +04:18:56  8.2  0.61 123
PPM 149140     05:34:13.8 +03:42:07  9.9  0.36 123
PPM 149128     05:33:21.4 +04:06:00 11.7  0.10 123
10TH           05:33:36.8 +04:01:44 15.7       123
Positions are for J2000

Event circumstances last updated at 2018/06/05 16:25:20 UT

RECON