RECON: TNO occultation with 13VF24

Event between 13VF24 and star GA1000:00651592 with event index number of 302416

Geocentric closest approach at 2019/02/03 05:33:38 UTC

J2000 position of star is 05:08:16.3 +10:57:37
Equinox of date position of star is 05:09:19.9 +10:59:01
Stellar brightness G=16.3, use SENSEUP=128
Star is 139 degrees from the moon. Moon is 2% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 26.9 AU from the Sun and 26.4 AU from the Earth.
The TNO is moving 12.6 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 98 seconds.
The 1-sigma cross-track error in the shadow position is 1138 km.
The sky-plane scale is 19118.4 km/arcsec.

The TNO has an absolute magnitude Hv=8.2
Diameter=153.5 km assuming a 5% albedo -- 11.2 sec chord
Diameter=62.7 km assuming a 30% albedo -- 4.6 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 13VF24, (2019/02/03 05:34UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:01.1 +16:32:46  0.8  9.61 133
Bellatrix      05:26:09.4 +06:21:56  1.6  6.21 141
16 Ori         05:10:22.7 +09:51:09  5.4  1.16 139
PPM 120627     05:08:49.7 +10:55:08  7.2  0.14 139
13VF24         05:09:19.9 +10:59:01 16.3       140
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 12.7 km RECON observability=1.0 and success probability=25.3%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kelowna	05:34:31	-44.2	Dark	Down	47.6	210.3	Up	05:25:53 - 05:43:09	1038
Summerland	05:34:33	-44.0	Dark	Down	47.8	209.9	Up	05:25:55 - 05:43:11	1022
Penticton	05:34:30	-44.3	Dark	Down	48.0	210.3	Up	05:25:52 - 05:43:08	1009
Okanagan Falls	05:34:29	-44.4	Dark	Down	48.2	210.4	Up	05:25:51 - 05:43:07	996
Oliver	05:34:28	-44.5	Dark	Down	48.3	210.5	Up	05:25:50 - 05:43:06	987
Anarchist Mountain Observatory	05:34:27	-44.7	Dark	Down	48.4	210.8	Up	05:25:49 - 05:43:05	983
Oroville	05:34:27	-44.7	Dark	Down	48.5	210.8	Up	05:25:49 - 05:43:05	976
Niwot	05:32:29	-57.8	Dark	Down	48.2	235.4	Up	05:23:51 - 05:41:07	968
Tonasket	05:34:24	-44.8	Dark	Down	48.7	210.9	Up	05:25:46 - 05:43:02	961
SwRI	05:32:29	-57.8	Dark	Down	48.3	235.4	Up	05:23:51 - 05:41:07	957
Okanogan	05:34:23	-44.9	Dark	Down	49.0	210.9	Up	05:25:45 - 05:43:01	934
Brewster	05:34:23	-44.9	Dark	Down	49.3	210.8	Up	05:25:45 - 05:43:01	909
Manson/Chelan	05:34:24	-44.8	Dark	Down	49.6	210.4	Up	05:25:46 - 05:43:02	882
Entiat	05:34:23	-44.8	Dark	Down	49.8	210.4	Up	05:25:45 - 05:43:01	865
Wenatchee	05:34:23	-44.9	Dark	Down	50.1	210.4	Up	05:25:45 - 05:43:01	845
Pasco	05:34:10	-46.2	Dark	Down	50.7	212.8	Up	05:25:32 - 05:42:48	814
Ellensburg	05:34:22	-45.0	Dark	Down	50.5	210.3	Up	05:25:44 - 05:43:00	809
PNWRO	05:34:08	-46.4	Dark	Down	50.8	213.3	Up	05:25:30 - 05:42:46	806
George/Umatilla	05:34:10	-46.2	Dark	Down	51.0	212.7	Up	05:25:32 - 05:42:48	783
Yakima	05:34:20	-45.2	Dark	Down	50.9	210.5	Up	05:25:42 - 05:42:58	781
Toppenish/White Swan	05:34:18	-45.4	Dark	Down	51.0	210.9	Up	05:25:40 - 05:42:56	773
Goldendale	05:34:16	-45.3	Dark	Down	51.6	210.6	Up	05:25:38 - 05:42:54	719
The Dalles	05:34:18	-45.2	Dark	Down	52.0	210.2	Up	05:25:40 - 05:42:56	690
Maupin	05:34:15	-45.5	Dark	Down	52.3	210.7	Up	05:25:37 - 05:42:53	665
Madras/Culver	05:34:12	-45.7	Dark	Down	52.8	210.9	Up	05:25:34 - 05:42:50	625
Redmond	05:34:11	-45.8	Dark	Down	53.1	211.1	Up	05:25:33 - 05:42:49	598
Sisters	05:34:13	-45.5	Dark	Down	53.2	210.5	Up	05:25:35 - 05:42:51	584
Bend	05:34:11	-45.8	Dark	Down	53.3	211.0	Up	05:25:33 - 05:42:49	578
Oregon Observatory	05:34:10	-45.8	Dark	Down	53.5	211.0	Up	05:25:32 - 05:42:48	560
La Pine/Gilchrist	05:34:10	-45.8	Dark	Down	53.7	211.0	Up	05:25:32 - 05:42:48	543
North Lake	05:34:04	-46.4	Dark	Down	53.9	212.2	Up	05:25:26 - 05:42:42	537
Paisley	05:34:00	-46.8	Dark	Down	54.2	213.1	Up	05:25:22 - 05:42:38	512
Lakeview	05:33:56	-47.2	Dark	Down	54.6	213.8	Up	05:25:18 - 05:42:34	483
Chiloquin	05:34:06	-46.0	Dark	Down	54.8	211.2	Up	05:25:28 - 05:42:44	449
Cedarville	05:33:52	-47.5	Dark	Down	55.0	214.6	Up	05:25:14 - 05:42:30	443
Klamath Falls	05:34:04	-46.2	Dark	Down	55.1	211.6	Up	05:25:26 - 05:42:42	427
Tulelake	05:34:01	-46.5	Dark	Down	55.2	212.3	Up	05:25:23 - 05:42:39	420
Fall River/Burney	05:33:56	-46.9	Dark	Down	55.9	213.1	Up	05:25:18 - 05:42:34	357
Susanville	05:33:49	-47.6	Dark	Down	56.2	214.7	Up	05:25:11 - 05:42:27	341
Tonopah	05:33:18	-50.9	Dark	Down	56.4	222.0	Up	05:24:40 - 05:41:56	313
Reno	05:33:40	-48.5	Dark	Down	56.5	216.7	Up	05:25:02 - 05:42:18	312
Gimple	05:33:48	-47.6	Dark	Down	56.5	214.6	Up	05:25:10 - 05:42:26	311
Greenville	05:33:49	-47.5	Dark	Down	56.5	214.5	Up	05:25:11 - 05:42:27	308
Portola	05:33:44	-48.0	Dark	Down	56.6	215.5	Up	05:25:06 - 05:42:22	304
Yerington	05:33:33	-49.2	Dark	Down	56.7	218.2	Up	05:24:55 - 05:42:11	299
Quincy	05:33:48	-47.6	Dark	Down	56.7	214.7	Up	05:25:10 - 05:42:26	293
Hawthorne	05:33:28	-49.7	Dark	Down	56.8	219.5	Up	05:24:50 - 05:42:06	287
Carson City	05:33:38	-48.7	Dark	Down	56.8	217.1	Up	05:25:00 - 05:42:16	286
DCO	05:32:40	-55.0	Dark	Down	56.2	230.8	Up	05:24:02 - 05:41:18	271
Gardnerville	05:33:36	-48.8	Dark	Down	57.0	217.4	Up	05:24:58 - 05:42:14	269
Indian Springs	05:33:02	-52.6	Dark	Down	56.7	225.8	Up	05:24:24 - 05:41:40	269
Patrick	05:32:45	-54.3	Dark	Down	56.4	229.5	Up	05:24:07 - 05:41:23	262
Henderson	05:32:55	-53.3	Dark	Down	56.7	227.3	Up	05:24:17 - 05:41:33	260
Beatty	05:33:09	-51.7	Dark	Down	57.0	223.9	Up	05:24:31 - 05:41:47	246
Kingman/Dolan Springs	05:32:45	-54.3	Dark	Down	56.7	229.5	Up	05:24:07 - 05:41:23	237
Lee Vining	05:33:28	-49.6	Dark	Down	57.5	219.3	Up	05:24:50 - 05:42:06	223
Searchlight/Boulder City	05:32:52	-53.5	Dark	Down	57.0	228.0	Up	05:24:14 - 05:41:30	219
Laughlin/Bullhead City	05:32:48	-53.9	Dark	Down	57.0	228.8	Up	05:24:10 - 05:41:26	212
Bishop	05:33:21	-50.3	Dark	Down	57.6	221.0	Up	05:24:43 - 05:41:59	209
Mohave Valley	05:32:46	-54.0	Dark	Down	57.2	229.1	Up	05:24:08 - 05:41:24	191
Lake Havasu City	05:32:43	-54.3	Dark	Down	57.3	229.9	Up	05:24:05 - 05:41:21	172
Lone Pine	05:33:15	-50.8	Dark	Down	58.0	222.2	Up	05:24:37 - 05:41:53	165
Parker	05:32:41	-54.4	Dark	Down	57.5	230.4	Up	05:24:03 - 05:41:19	146
Blythe	05:32:40	-54.4	Dark	Down	58.0	230.6	Up	05:24:02 - 05:41:18	91
Yuma	05:32:35	-54.7	Dark	Down	58.7	231.7	Up	05:23:57 - 05:41:13	17
Calipatria	05:32:42	-53.8	Dark	Down	59.0	229.9	Up	05:24:04 - 05:41:20	10
Idyllwild	05:32:52	-52.7	Dark	Down	59.3	227.5	Up	05:24:14 - 05:41:30	3
CPSLO	05:33:23	-49.3	Dark	Down	60.3	219.5	Up	05:24:45 - 05:42:01	-52
Wildwood	05:33:05	-51.2	Dark	Down	60.1	224.2	Up	05:24:27 - 05:41:43	-55

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 13VF24, (2019/02/03 05:34UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8  9.61 133
Bellatrix      05:25:07.8 +06:20:58  1.6  6.21 141
16 Ori         05:09:19.7 +09:49:46  5.4  1.16 139
PPM 120627     05:07:46.2 +10:53:43  7.2  0.14 139
13VF24         05:08:16.3 +10:57:37 16.3       139
Positions are for J2000

Event circumstances last updated at 2019/01/31 18:00:22 UT

RECON