RECON: TNO occultation with 511552

Event between (511552) 14UE225 and star GA1040:00211145 with event index number of 2241626

Geocentric closest approach at 2024/11/03 07:31:00 UTC

J2000 position of star is 02:12:48.1 +15:25:36
Equinox of date position of star is 02:14:08.2 +15:32:25
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 155 degrees from the moon. Moon is 3% illuminated.
Apparent brightness V=23.1

[RECON map]
Object is 46.6 AU from the Sun and 45.6 AU from the Earth.
Apparent velocity is 25.7 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 216 seconds.
The 1-sigma cross-track error in the shadow position is 3398 km.
The sky-plane scale is 33088.3 km/arcsec.

The object has an absolute magnitude Hv=6.4
Diameter=363.1 km assuming a 5% albedo -- 12.2 sec chord
Diameter=148.2 km assuming a 30% albedo -- 5.0 sec chord
Dynamical classification is CLASSICAL

Star training set for 511552, (2024/11/03 07:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:20.9 +16:33:26  0.8 34.37 167
6Bet Ari       01:56:01.0 +20:55:43  2.6  6.90 153
19 Ari         02:14:24.9 +15:23:42  5.7  0.16 155
PPM 118015     02:12:40.4 +16:04:58  8.4  0.65 155
19 Ari         02:14:24.9 +15:23:42  5.7  0.16 155
511552         02:14:09.5 +15:32:31 15.6       155
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 4.2 sigma about the mid-time.
The median site spacing is 27.2 km RECON observability=1.0 and success probability=4.1%

Site Site mid-time
(UT) Sun alt
(deg) Sky Moon Star alt
(deg) Star az
(deg) Target Observing Time
(UT) X-track
(km)

Kamloops 07:30:07 -54.4 Dark Down 54.7 183.4 Up 07:15:07 - 07:45:07 8169

Kelowna 07:30:05 -55.3 Dark Down 55.5 185.0 Up 07:15:05 - 07:45:05 8077

Peachland 07:30:06 -55.4 Dark Down 55.6 184.5 Up 07:15:06 - 07:45:06 8074

Summerland 07:30:06 -55.6 Dark Down 55.8 184.6 Up 07:15:06 - 07:45:06 8059

Victoria 07:30:18 -56.3 Dark Down 56.9 178.3 Up 07:15:18 - 07:45:18 8058

Penticton 07:30:06 -55.6 Dark Down 55.8 184.8 Up 07:15:06 - 07:45:06 8051

Oliver 07:30:07 -56.0 Dark Down 56.2 184.9 Up 07:15:07 - 07:45:07 8020

Anarchist Mountain Observatory 07:30:06 -56.2 Dark Down 56.3 185.2 Up 07:15:06 - 07:45:06 8000

Sleaford 07:29:29 -52.2 Dark Down 51.1 205.5 Up 07:14:29 - 07:44:29 7993

Okanogan 07:30:08 -56.8 Dark Down 57.0 185.0 Up 07:15:08 - 07:45:08 7948

Brewster 07:30:08 -57.0 Dark Down 57.3 184.6 Up 07:15:08 - 07:45:08 7929

Manson/Chelan 07:30:10 -57.2 Dark Down 57.5 184.0 Up 07:15:10 - 07:45:10 7919

Wenatchee 07:30:11 -57.7 Dark Down 58.0 183.8 Up 07:15:11 - 07:45:11 7881

Ellensburg 07:30:12 -58.1 Dark Down 58.4 183.4 Up 07:15:12 - 07:45:12 7850

Yakima 07:30:12 -58.5 Dark Down 58.8 183.4 Up 07:15:12 - 07:45:12 7813

Toppenish/White Swan 07:30:12 -58.7 Dark Down 59.0 183.8 Up 07:15:12 - 07:45:12 7790

The Dalles 07:30:15 -59.4 Dark Down 59.8 182.4 Up 07:15:15 - 07:45:15 7740

PNWRO 07:30:09 -59.2 Dark Down 59.3 186.6 Up 07:15:09 - 07:45:09 7718

Maupin 07:30:16 -59.8 Dark Down 60.2 182.6 Up 07:15:16 - 07:45:16 7699

Sisters 07:30:18 -60.7 Dark Down 61.1 181.7 Up 07:15:18 - 07:45:18 7632

Bend 07:30:18 -60.9 Dark Down 61.4 182.2 Up 07:15:18 - 07:45:18 7603

Oregon Observatory 07:30:18 -61.1 Dark Down 61.5 182.0 Up 07:15:18 - 07:45:18 7590

Chiloquin 07:30:22 -62.3 Dark Down 62.9 181.2 Up 07:15:22 - 07:45:22 7480

Klamath Falls 07:30:21 -62.7 Dark Down 63.2 181.4 Up 07:15:21 - 07:45:21 7446

Cedarville 07:30:17 -63.5 Dark Down 63.8 184.9 Up 07:15:17 - 07:45:17 7335

Fall River/Burney 07:30:22 -63.9 Dark Down 64.4 182.3 Up 07:15:22 - 07:45:22 7324

Greenville 07:30:22 -64.8 Dark Down 65.3 183.4 Up 07:15:22 - 07:45:22 7225

Gimple 07:30:21 -64.8 Dark Down 65.3 183.6 Up 07:15:21 - 07:45:21 7222

Quincy 07:30:22 -65.0 Dark Down 65.5 183.5 Up 07:15:22 - 07:45:22 7206

Portola 07:30:21 -65.2 Dark Down 65.6 184.6 Up 07:15:21 - 07:45:21 7180

Reno 07:30:18 -65.5 Dark Down 65.8 186.1 Up 07:15:18 - 07:45:18 7136

Carson City 07:30:19 -65.9 Dark Down 66.1 186.3 Up 07:15:19 - 07:45:19 7101

Gardnerville 07:30:20 -66.1 Dark Down 66.4 186.5 Up 07:15:20 - 07:45:20 7076

Yerington 07:30:18 -66.2 Dark Down 66.3 187.8 Up 07:15:18 - 07:45:18 7064

Hawthorne 07:30:16 -66.7 Dark Down 66.7 189.3 Up 07:15:16 - 07:45:16 7003

Lee Vining 07:30:19 -67.2 Dark Down 67.3 188.3 Up 07:15:19 - 07:45:19 6962

Bishop 07:30:17 -67.8 Dark Down 67.8 190.3 Up 07:15:17 - 07:45:17 6883

Dunrhomin 07:29:33 -63.1 Dark Down 61.1 215.8 Up 07:14:33 - 07:44:33 6835

Nikitin 07:29:32 -63.3 Dark Down 61.2 216.0 Up 07:14:32 - 07:44:32 6817

CU-SBO 07:29:32 -63.4 Dark Down 61.3 215.9 Up 07:14:32 - 07:44:32 6812

Beatty 07:30:13 -68.3 Dark Down 67.9 194.6 Up 07:15:13 - 07:45:13 6790

Wildwood 07:30:22 -71.1 Dark Down 71.0 191.5 Up 07:15:22 - 07:45:22 6564

Patrick 07:30:04 -69.7 Dark Down 68.6 203.0 Up 07:15:04 - 07:45:04 6560

Laughlin/Bullhead City 07:30:07 -70.0 Dark Down 69.1 201.5 Up 07:15:07 - 07:45:07 6555

Lake Havasu City 07:30:07 -70.6 Dark Down 69.6 202.8 Up 07:15:07 - 07:45:07 6480

Idyllwild 07:30:16 -71.5 Dark Down 71.0 197.1 Up 07:15:16 - 07:45:16 6472

Calipatria 07:30:13 -72.1 Dark Down 71.2 201.0 Up 07:15:13 - 07:45:13 6375

George/Scottsdale 07:29:59 -71.0 Dark Down 69.4 210.0 Up 07:14:59 - 07:44:59 6333

Yuma 07:30:10 -72.5 Dark Down 71.4 204.0 Up 07:15:10 - 07:45:10 6305

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 511552, (2024/11/03 07:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 34.37 167
6Bet Ari       01:54:38.5 +20:48:26  2.6  6.90 153
19 Ari         02:13:03.4 +15:16:47  5.7  0.16 155
PPM 118015     02:11:18.9 +15:58:01  8.4  0.65 155
19 Ari         02:13:03.4 +15:16:47  5.7  0.16 155
511552         02:12:48.1 +15:25:36 15.6       155
Positions are for J2000

Event circumstances last updated at 2024/06/11 03:51:39 UT

Marc W. Buie, Southwest Research Institute

RECON

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	07:30:07	-54.4	Dark	Down	54.7	183.4	Up	07:15:07 - 07:45:07	8169
Kelowna	07:30:05	-55.3	Dark	Down	55.5	185.0	Up	07:15:05 - 07:45:05	8077
Peachland	07:30:06	-55.4	Dark	Down	55.6	184.5	Up	07:15:06 - 07:45:06	8074
Summerland	07:30:06	-55.6	Dark	Down	55.8	184.6	Up	07:15:06 - 07:45:06	8059
Victoria	07:30:18	-56.3	Dark	Down	56.9	178.3	Up	07:15:18 - 07:45:18	8058
Penticton	07:30:06	-55.6	Dark	Down	55.8	184.8	Up	07:15:06 - 07:45:06	8051
Oliver	07:30:07	-56.0	Dark	Down	56.2	184.9	Up	07:15:07 - 07:45:07	8020
Anarchist Mountain Observatory	07:30:06	-56.2	Dark	Down	56.3	185.2	Up	07:15:06 - 07:45:06	8000
Sleaford	07:29:29	-52.2	Dark	Down	51.1	205.5	Up	07:14:29 - 07:44:29	7993
Okanogan	07:30:08	-56.8	Dark	Down	57.0	185.0	Up	07:15:08 - 07:45:08	7948
Brewster	07:30:08	-57.0	Dark	Down	57.3	184.6	Up	07:15:08 - 07:45:08	7929
Manson/Chelan	07:30:10	-57.2	Dark	Down	57.5	184.0	Up	07:15:10 - 07:45:10	7919
Wenatchee	07:30:11	-57.7	Dark	Down	58.0	183.8	Up	07:15:11 - 07:45:11	7881
Ellensburg	07:30:12	-58.1	Dark	Down	58.4	183.4	Up	07:15:12 - 07:45:12	7850
Yakima	07:30:12	-58.5	Dark	Down	58.8	183.4	Up	07:15:12 - 07:45:12	7813
Toppenish/White Swan	07:30:12	-58.7	Dark	Down	59.0	183.8	Up	07:15:12 - 07:45:12	7790
The Dalles	07:30:15	-59.4	Dark	Down	59.8	182.4	Up	07:15:15 - 07:45:15	7740
PNWRO	07:30:09	-59.2	Dark	Down	59.3	186.6	Up	07:15:09 - 07:45:09	7718
Maupin	07:30:16	-59.8	Dark	Down	60.2	182.6	Up	07:15:16 - 07:45:16	7699
Sisters	07:30:18	-60.7	Dark	Down	61.1	181.7	Up	07:15:18 - 07:45:18	7632
Bend	07:30:18	-60.9	Dark	Down	61.4	182.2	Up	07:15:18 - 07:45:18	7603
Oregon Observatory	07:30:18	-61.1	Dark	Down	61.5	182.0	Up	07:15:18 - 07:45:18	7590
Chiloquin	07:30:22	-62.3	Dark	Down	62.9	181.2	Up	07:15:22 - 07:45:22	7480
Klamath Falls	07:30:21	-62.7	Dark	Down	63.2	181.4	Up	07:15:21 - 07:45:21	7446
Cedarville	07:30:17	-63.5	Dark	Down	63.8	184.9	Up	07:15:17 - 07:45:17	7335
Fall River/Burney	07:30:22	-63.9	Dark	Down	64.4	182.3	Up	07:15:22 - 07:45:22	7324
Greenville	07:30:22	-64.8	Dark	Down	65.3	183.4	Up	07:15:22 - 07:45:22	7225
Gimple	07:30:21	-64.8	Dark	Down	65.3	183.6	Up	07:15:21 - 07:45:21	7222
Quincy	07:30:22	-65.0	Dark	Down	65.5	183.5	Up	07:15:22 - 07:45:22	7206
Portola	07:30:21	-65.2	Dark	Down	65.6	184.6	Up	07:15:21 - 07:45:21	7180
Reno	07:30:18	-65.5	Dark	Down	65.8	186.1	Up	07:15:18 - 07:45:18	7136
Carson City	07:30:19	-65.9	Dark	Down	66.1	186.3	Up	07:15:19 - 07:45:19	7101
Gardnerville	07:30:20	-66.1	Dark	Down	66.4	186.5	Up	07:15:20 - 07:45:20	7076
Yerington	07:30:18	-66.2	Dark	Down	66.3	187.8	Up	07:15:18 - 07:45:18	7064
Hawthorne	07:30:16	-66.7	Dark	Down	66.7	189.3	Up	07:15:16 - 07:45:16	7003
Lee Vining	07:30:19	-67.2	Dark	Down	67.3	188.3	Up	07:15:19 - 07:45:19	6962
Bishop	07:30:17	-67.8	Dark	Down	67.8	190.3	Up	07:15:17 - 07:45:17	6883
Dunrhomin	07:29:33	-63.1	Dark	Down	61.1	215.8	Up	07:14:33 - 07:44:33	6835
Nikitin	07:29:32	-63.3	Dark	Down	61.2	216.0	Up	07:14:32 - 07:44:32	6817
CU-SBO	07:29:32	-63.4	Dark	Down	61.3	215.9	Up	07:14:32 - 07:44:32	6812
Beatty	07:30:13	-68.3	Dark	Down	67.9	194.6	Up	07:15:13 - 07:45:13	6790
Wildwood	07:30:22	-71.1	Dark	Down	71.0	191.5	Up	07:15:22 - 07:45:22	6564
Patrick	07:30:04	-69.7	Dark	Down	68.6	203.0	Up	07:15:04 - 07:45:04	6560
Laughlin/Bullhead City	07:30:07	-70.0	Dark	Down	69.1	201.5	Up	07:15:07 - 07:45:07	6555
Lake Havasu City	07:30:07	-70.6	Dark	Down	69.6	202.8	Up	07:15:07 - 07:45:07	6480
Idyllwild	07:30:16	-71.5	Dark	Down	71.0	197.1	Up	07:15:16 - 07:45:16	6472
Calipatria	07:30:13	-72.1	Dark	Down	71.2	201.0	Up	07:15:13 - 07:45:13	6375
George/Scottsdale	07:29:59	-71.0	Dark	Down	69.4	210.0	Up	07:14:59 - 07:44:59	6333
Yuma	07:30:10	-72.5	Dark	Down	71.4	204.0	Up	07:15:10 - 07:45:10	6305