RECON: TNO occultation with 11UD63

Event between 11UD63 and star UC4-584-006084 with event index number of 212129

Geocentric closest approach at 2018/09/09 09:21:31 UTC

J2000 position of star is 02:38:24.0 +26:44:00
Equinox of date position of star is 02:39:26.9 +26:48:37
Stellar brightness R=14.5, use SENSEUP=128
Star is 115 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=21.4

[RECON map]
TNO is 18.2 AU from the Sun and 17.7 AU from the Earth.
The TNO is moving 10.2 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 307 seconds.
The 1-sigma cross-track error in the shadow position is 1076 km.
The sky-plane scale is 12806.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.6
Diameter=112.7 km assuming a 5% albedo -- 11.1 sec chord
Diameter=46.0 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 11UD63, (2018/09/09 09:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:36:59.7 +16:32:44  0.8 29.08  92
Hamal          02:08:13.9 +23:33:00  2.0  7.79 123
35 Ari         02:44:33.2 +27:47:08  4.7  1.49 114
PPM 091893     02:41:48.0 +26:42:05  7.9  0.53 115
PPM 091861     02:39:56.0 +27:01:24  9.9  0.23 115
PPM 091859     02:39:49.2 +26:36:52 10.3  0.21 115
11UD63         02:39:29.5 +26:48:48 14.5       115
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 2.9 sigma about the mid-time.
The median site spacing is 26.3 km RECON observability=1.0 and success probability=0.5%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Oroville	09:25:27	-32.3	Dark	Down	58.3	123.7	Up	09:10:27 - 09:40:27	5683
Tonasket	09:25:27	-32.5	Dark	Down	58.4	123.4	Up	09:10:27 - 09:40:27	5659
Okanogan	09:25:29	-32.9	Dark	Down	58.5	122.8	Up	09:10:29 - 09:40:29	5626
Brewster	09:25:31	-33.2	Dark	Down	58.6	122.1	Up	09:10:31 - 09:40:31	5600
Manson/Chelan	09:25:34	-33.5	Dark	Down	58.5	121.4	Up	09:10:34 - 09:40:34	5581
Entiat	09:25:36	-33.7	Dark	Down	58.6	121.0	Up	09:10:36 - 09:40:36	5559
Wenatchee	09:25:36	-33.9	Dark	Down	58.6	120.5	Up	09:10:36 - 09:40:36	5534
Ellensburg	09:25:39	-34.4	Dark	Down	58.7	119.6	Up	09:10:39 - 09:40:39	5493
Yakima	09:25:40	-34.7	Dark	Down	58.9	119.0	Up	09:10:40 - 09:40:40	5451
Toppenish/White Swan	09:25:40	-34.9	Dark	Down	59.1	118.9	Up	09:10:40 - 09:40:40	5427
Pasco	09:25:32	-34.6	Dark	Down	59.9	120.4	Up	09:10:32 - 09:40:32	5403
PNWRO	09:25:30	-34.7	Dark	Down	60.2	120.3	Up	09:10:30 - 09:40:30	5375
Goldendale	09:25:44	-35.5	Dark	Down	59.1	117.6	Up	09:10:44 - 09:40:44	5373
George/Umatilla	09:25:34	-35.0	Dark	Down	60.0	119.6	Up	09:10:34 - 09:40:34	5370
The Dalles	09:25:47	-35.8	Dark	Down	59.0	116.8	Up	09:10:47 - 09:40:47	5353
Maupin	09:25:47	-36.2	Dark	Down	59.3	116.3	Up	09:10:47 - 09:40:47	5308
Madras/Culver	09:25:49	-36.7	Dark	Down	59.5	115.5	Up	09:10:49 - 09:40:49	5251
Sisters	09:25:53	-37.1	Dark	Down	59.3	114.4	Up	09:10:53 - 09:40:53	5220
Redmond	09:25:50	-37.0	Dark	Down	59.6	114.9	Up	09:10:50 - 09:40:50	5214
Bend	09:25:52	-37.2	Dark	Down	59.6	114.4	Up	09:10:52 - 09:40:52	5193
Oregon Observatory	09:25:54	-37.4	Dark	Down	59.6	113.9	Up	09:10:54 - 09:40:54	5176
La Pine/Gilchrist	09:25:54	-37.6	Dark	Down	59.6	113.6	Up	09:10:54 - 09:40:54	5155
North Lake	09:25:51	-37.8	Dark	Down	60.2	113.6	Up	09:10:51 - 09:40:51	5103
Paisley	09:25:50	-38.2	Dark	Down	60.7	113.1	Up	09:10:50 - 09:40:50	5041
Chiloquin	09:26:00	-38.7	Dark	Down	59.8	111.4	Up	09:11:00 - 09:41:00	5040
Klamath Falls	09:26:00	-39.0	Dark	Down	60.0	111.0	Up	09:11:00 - 09:41:00	5003
Lakeview	09:25:50	-38.6	Dark	Down	61.0	112.5	Up	09:10:50 - 09:40:50	4985
Tulelake	09:25:58	-39.2	Dark	Down	60.3	110.8	Up	09:10:58 - 09:40:58	4971
Cedarville	09:25:50	-39.1	Dark	Down	61.4	111.6	Up	09:10:50 - 09:40:50	4913
Fall River/Burney	09:26:00	-39.9	Dark	Down	60.7	109.4	Up	09:11:00 - 09:41:00	4874
Susanville	09:25:56	-40.2	Dark	Down	61.4	109.2	Up	09:10:56 - 09:40:56	4799
Greenville	09:25:59	-40.6	Dark	Down	61.3	108.4	Up	09:10:59 - 09:40:59	4772
Gimple	09:25:58	-40.6	Dark	Down	61.4	108.5	Up	09:10:58 - 09:40:58	4771
Quincy	09:25:59	-40.8	Dark	Down	61.4	108.0	Up	09:10:59 - 09:40:59	4750
Portola	09:25:56	-40.7	Dark	Down	61.8	108.3	Up	09:10:56 - 09:40:56	4732
Reno	09:25:52	-40.7	Dark	Down	62.3	108.5	Up	09:10:52 - 09:40:52	4697
Niwot	09:23:58	-33.6	Dark	Down	71.5	131.6	Up	09:08:58 - 09:38:58	4689
Carson City	09:25:52	-41.0	Dark	Down	62.4	107.9	Up	09:10:52 - 09:40:52	4658
Gardnerville	09:25:52	-41.2	Dark	Down	62.5	107.5	Up	09:10:52 - 09:40:52	4631
Yerington	09:25:48	-40.9	Dark	Down	62.9	108.2	Up	09:10:48 - 09:40:48	4631
Hawthorne	09:25:45	-41.1	Dark	Down	63.5	107.9	Up	09:10:45 - 09:40:45	4576
Lee Vining	09:25:50	-41.8	Dark	Down	63.3	106.3	Up	09:10:50 - 09:40:50	4519
Tonopah	09:25:35	-40.9	Dark	Down	64.6	108.6	Up	09:10:35 - 09:40:35	4513
Bishop	09:25:45	-42.0	Dark	Down	64.0	105.9	Up	09:10:45 - 09:40:45	4448
Beatty	09:25:33	-41.7	Dark	Down	65.3	106.7	Up	09:10:33 - 09:40:33	4384
Lone Pine	09:25:44	-42.5	Dark	Down	64.4	104.7	Up	09:10:44 - 09:40:44	4362
Indian Springs	09:25:25	-41.4	Dark	Down	66.2	107.2	Up	09:10:25 - 09:40:25	4340
Henderson	09:25:21	-41.6	Dark	Down	66.9	106.8	Up	09:10:21 - 09:40:21	4277
CPSLO	09:26:06	-44.7	Dark	Down	62.7	99.8	Up	09:11:06 - 09:41:06	4245
Searchlight/Boulder City	09:25:21	-42.0	Dark	Down	67.1	105.5	Up	09:10:21 - 09:40:21	4214
Patrick	09:25:12	-41.5	Dark	Down	67.9	106.5	Up	09:10:12 - 09:40:12	4201
Laughlin/Bullhead City	09:25:18	-42.0	Dark	Down	67.5	105.2	Up	09:10:18 - 09:40:18	4179
Kingman/Dolan Springs	09:25:14	-41.8	Dark	Down	67.9	105.8	Up	09:10:14 - 09:40:14	4178
DCO	09:25:07	-41.4	Dark	Down	68.6	106.6	Up	09:10:07 - 09:40:07	4164
Mohave Valley	09:25:19	-42.3	Dark	Down	67.5	104.6	Up	09:10:19 - 09:40:19	4149
Lake Havasu City	09:25:18	-42.4	Dark	Down	67.8	103.9	Up	09:10:18 - 09:40:18	4103
Wildwood	09:25:52	-44.8	Dark	Down	64.6	99.1	Up	09:10:52 - 09:40:52	4093
Parker	09:25:18	-42.7	Dark	Down	67.9	103.1	Up	09:10:18 - 09:40:18	4064
Idyllwild	09:25:37	-44.2	Dark	Down	66.1	99.9	Up	09:10:37 - 09:40:37	4037
Blythe	09:25:21	-43.3	Dark	Down	67.8	101.5	Up	09:10:21 - 09:40:21	4009
Calipatria	09:25:29	-44.1	Dark	Down	67.2	99.5	Up	09:10:29 - 09:40:29	3961
Yuma	09:25:21	-44.0	Dark	Down	68.0	99.3	Up	09:10:21 - 09:40:21	3907

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 11UD63, (2018/09/09 09:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 29.08  92
Hamal          02:07:10.7 +23:27:42  2.0  7.79 123
35 Ari         02:43:27.1 +27:42:25  4.7  1.49 114
PPM 091893     02:40:42.4 +26:37:20  7.9  0.53 115
PPM 091861     02:38:50.4 +26:56:36  9.9  0.23 115
PPM 091859     02:38:43.7 +26:32:05 10.3  0.21 115
11UD63         02:38:24.0 +26:44:00 14.5       115
Positions are for J2000

Event circumstances last updated at 2017/12/16 18:27:18 UT

RECON