RECON: TNO occultation with 535024

Event between (535024) 14WR509 and star GA1120:00444327 with event index number of 2338403

Geocentric closest approach at 2022/11/14 05:01:55 UTC

J2000 position of star is 03:37:55.1 +22:17:06
Equinox of date position of star is 03:39:15.6 +22:21:31
Stellar brightness G=14.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 59 degrees from the moon. Moon is 72% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 29.5 AU from the Sun and 28.6 AU from the Earth.
The TNO is moving 24.8 km/sec on the sky relative to the star, or, 4.3 arcsec/hr.
The 1-sigma error in the time of the event is 54 seconds.
The 1-sigma cross-track error in the shadow position is 1260 km.
The sky-plane scale is 20709.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 8.5 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is 3:2E

Star training set for 535024, (2022/11/14 05:03UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.1 +16:33:12  0.8 14.84  47
44Zet Per      03:55:34.5 +31:56:59  2.8 10.25  53
PPM 092695     03:40:20.0 +20:59:18  6.4  1.39  59
PPM 092691     03:40:01.5 +22:43:57  7.0  0.41  58
PPM 092676     03:38:44.6 +22:25:28  9.2  0.14  59
535024         03:39:15.6 +22:21:31 14.4        58
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 27.3 km RECON observability=1.0 and success probability=0.3%

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

Kamloops 05:03:37 -44.4 Dark Up 44.7 111.5 Up 04:58:38 - 05:08:37 6716

Kelowna 05:03:38 -45.3 Dark Up 45.5 111.6 Up 04:58:38 - 05:08:37 6627

Peachland 05:03:39 -45.2 Dark Up 45.4 111.2 Up 04:58:39 - 05:08:38 6626

Victoria 05:03:49 -43.6 Dark Up 43.5 106.6 Up 04:58:50 - 05:08:49 6620

Summerland 05:03:39 -45.3 Dark Up 45.5 111.2 Up 04:58:39 - 05:08:38 6611

Penticton 05:03:39 -45.4 Dark Up 45.6 111.2 Up 04:58:39 - 05:08:38 6603

Oliver 05:03:40 -45.6 Dark Up 45.7 110.9 Up 04:58:40 - 05:08:39 6574

Anarchist Mountain Observatory 05:03:40 -45.8 Dark Up 45.9 110.9 Up 04:58:40 - 05:08:39 6555

Okanogan 05:03:42 -46.0 Dark Up 46.0 110.1 Up 04:58:43 - 05:08:42 6507

Sleaford 05:03:03 -50.4 Dark Up 51.7 129.0 Up 04:58:04 - 05:08:03 6505

Brewster 05:03:43 -46.0 Dark Up 46.0 109.6 Up 04:58:44 - 05:08:43 6490

Manson/Chelan 05:03:45 -45.9 Dark Up 45.8 109.0 Up 04:58:45 - 05:08:44 6482

Wenatchee 05:03:46 -46.0 Dark Up 45.8 108.4 Up 04:58:47 - 05:08:46 6447

Ellensburg 05:03:48 -46.0 Dark Up 45.8 107.8 Up 04:58:48 - 05:08:47 6418

Yakima 05:03:49 -46.2 Dark Up 46.0 107.4 Up 04:58:50 - 05:08:49 6384

Toppenish/White Swan 05:03:49 -46.4 Dark Up 46.1 107.4 Up 04:58:50 - 05:08:49 6361

The Dalles 05:03:53 -46.3 Dark Up 45.8 105.9 Up 04:58:53 - 05:08:52 6316

PNWRO 05:03:47 -47.5 Dark Up 47.2 108.4 Up 04:58:48 - 05:08:47 6289

Maupin 05:03:54 -46.5 Dark Up 46.0 105.5 Up 04:58:54 - 05:08:53 6278

Sisters 05:03:57 -46.6 Dark Up 45.9 104.2 Up 04:58:58 - 05:08:57 6216

Bend 05:03:57 -46.8 Dark Up 46.2 104.2 Up 04:58:58 - 05:08:57 6188

Oregon Observatory 05:03:58 -46.8 Dark Up 46.1 103.9 Up 04:58:59 - 05:08:58 6177

Chiloquin 05:04:03 -47.0 Dark Up 46.1 102.3 Up 04:59:03 - 05:09:02 6073

Klamath Falls 05:04:03 -47.2 Dark Up 46.3 102.0 Up 04:59:04 - 05:09:03 6041

Cedarville 05:04:02 -48.6 Dark Up 47.6 102.6 Up 04:59:02 - 05:09:01 5932

Fall River/Burney 05:04:06 -47.9 Dark Up 46.8 101.1 Up 04:59:06 - 05:09:05 5924

Greenville 05:04:07 -48.5 Dark Up 47.3 100.5 Up 04:59:07 - 05:09:06 5829

Gimple 05:04:07 -48.6 Dark Up 47.4 100.6 Up 04:59:07 - 05:09:06 5826

Quincy 05:04:08 -48.6 Dark Up 47.3 100.3 Up 04:59:08 - 05:09:07 5811

Portola 05:04:07 -49.0 Dark Up 47.7 100.5 Up 04:59:07 - 05:09:06 5785

Reno 05:04:06 -49.6 Dark Up 48.3 100.8 Up 04:59:06 - 05:09:05 5741

Carson City 05:04:07 -49.7 Dark Up 48.3 100.4 Up 04:59:07 - 05:09:06 5707

Gardnerville 05:04:07 -49.8 Dark Up 48.4 100.1 Up 04:59:07 - 05:09:06 5684

Yerington 05:04:06 -50.2 Dark Up 48.9 100.7 Up 04:59:06 - 05:09:05 5670

Hawthorne 05:04:05 -50.8 Dark Up 49.3 100.6 Up 04:59:06 - 05:09:05 5611

Lee Vining 05:04:08 -50.6 Dark Up 49.1 99.5 Up 04:59:08 - 05:09:07 5574

Bishop 05:04:08 -51.3 Dark Up 49.7 99.4 Up 04:59:08 - 05:09:07 5495

Dunrhomin 05:03:27 -59.0 Dark Up 58.6 115.7 Up 04:58:27 - 05:08:26 5404

Beatty 05:04:05 -52.7 Dark Up 51.1 100.1 Up 04:59:05 - 05:09:04 5402

CU-SBO 05:03:27 -59.1 Dark Up 58.6 115.2 Up 04:58:28 - 05:08:27 5382

Wildwood 05:04:11 -52.2 Dark Up 50.0 95.4 Up 04:59:12 - 05:09:11 5191

Patrick 05:04:00 -55.4 Dark Up 53.6 100.4 Up 04:59:01 - 05:09:00 5172

Laughlin/Bullhead City 05:04:03 -55.0 Dark Up 53.1 99.6 Up 04:59:03 - 05:09:02 5169

Idyllwild 05:04:11 -53.8 Dark Up 51.6 96.2 Up 04:59:12 - 05:09:11 5096

Lake Havasu City 05:04:04 -55.4 Dark Up 53.4 98.9 Up 04:59:04 - 05:09:03 5096

Calipatria 05:04:10 -54.9 Dark Up 52.6 96.2 Up 04:59:10 - 05:09:09 4999

George/Scottsdale 05:03:58 -57.6 Dark Up 55.6 99.6 Up 04:58:59 - 05:08:58 4945

Yuma 05:04:08 -55.7 Dark Up 53.4 96.3 Up 04:59:09 - 05:09:08 4928

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 535024, (2022/11/14 05:03UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 14.84  47
44Zet Per      03:54:07.9 +31:53:01  2.8 10.25  53
PPM 092695     03:39:00.1 +20:54:55  6.4  1.39  59
PPM 092691     03:38:40.7 +22:39:33  7.0  0.41  58
PPM 092676     03:37:24.0 +22:21:02  9.2  0.14  59
535024         03:37:55.1 +22:17:06 14.4        59
Positions are for J2000

Event circumstances last updated at 2022/11/13 03:27:58 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	05:03:37	-44.4	Dark	Up	44.7	111.5	Up	04:58:38 - 05:08:37	6716
Kelowna	05:03:38	-45.3	Dark	Up	45.5	111.6	Up	04:58:38 - 05:08:37	6627
Peachland	05:03:39	-45.2	Dark	Up	45.4	111.2	Up	04:58:39 - 05:08:38	6626
Victoria	05:03:49	-43.6	Dark	Up	43.5	106.6	Up	04:58:50 - 05:08:49	6620
Summerland	05:03:39	-45.3	Dark	Up	45.5	111.2	Up	04:58:39 - 05:08:38	6611
Penticton	05:03:39	-45.4	Dark	Up	45.6	111.2	Up	04:58:39 - 05:08:38	6603
Oliver	05:03:40	-45.6	Dark	Up	45.7	110.9	Up	04:58:40 - 05:08:39	6574
Anarchist Mountain Observatory	05:03:40	-45.8	Dark	Up	45.9	110.9	Up	04:58:40 - 05:08:39	6555
Okanogan	05:03:42	-46.0	Dark	Up	46.0	110.1	Up	04:58:43 - 05:08:42	6507
Sleaford	05:03:03	-50.4	Dark	Up	51.7	129.0	Up	04:58:04 - 05:08:03	6505
Brewster	05:03:43	-46.0	Dark	Up	46.0	109.6	Up	04:58:44 - 05:08:43	6490
Manson/Chelan	05:03:45	-45.9	Dark	Up	45.8	109.0	Up	04:58:45 - 05:08:44	6482
Wenatchee	05:03:46	-46.0	Dark	Up	45.8	108.4	Up	04:58:47 - 05:08:46	6447
Ellensburg	05:03:48	-46.0	Dark	Up	45.8	107.8	Up	04:58:48 - 05:08:47	6418
Yakima	05:03:49	-46.2	Dark	Up	46.0	107.4	Up	04:58:50 - 05:08:49	6384
Toppenish/White Swan	05:03:49	-46.4	Dark	Up	46.1	107.4	Up	04:58:50 - 05:08:49	6361
The Dalles	05:03:53	-46.3	Dark	Up	45.8	105.9	Up	04:58:53 - 05:08:52	6316
PNWRO	05:03:47	-47.5	Dark	Up	47.2	108.4	Up	04:58:48 - 05:08:47	6289
Maupin	05:03:54	-46.5	Dark	Up	46.0	105.5	Up	04:58:54 - 05:08:53	6278
Sisters	05:03:57	-46.6	Dark	Up	45.9	104.2	Up	04:58:58 - 05:08:57	6216
Bend	05:03:57	-46.8	Dark	Up	46.2	104.2	Up	04:58:58 - 05:08:57	6188
Oregon Observatory	05:03:58	-46.8	Dark	Up	46.1	103.9	Up	04:58:59 - 05:08:58	6177
Chiloquin	05:04:03	-47.0	Dark	Up	46.1	102.3	Up	04:59:03 - 05:09:02	6073
Klamath Falls	05:04:03	-47.2	Dark	Up	46.3	102.0	Up	04:59:04 - 05:09:03	6041
Cedarville	05:04:02	-48.6	Dark	Up	47.6	102.6	Up	04:59:02 - 05:09:01	5932
Fall River/Burney	05:04:06	-47.9	Dark	Up	46.8	101.1	Up	04:59:06 - 05:09:05	5924
Greenville	05:04:07	-48.5	Dark	Up	47.3	100.5	Up	04:59:07 - 05:09:06	5829
Gimple	05:04:07	-48.6	Dark	Up	47.4	100.6	Up	04:59:07 - 05:09:06	5826
Quincy	05:04:08	-48.6	Dark	Up	47.3	100.3	Up	04:59:08 - 05:09:07	5811
Portola	05:04:07	-49.0	Dark	Up	47.7	100.5	Up	04:59:07 - 05:09:06	5785
Reno	05:04:06	-49.6	Dark	Up	48.3	100.8	Up	04:59:06 - 05:09:05	5741
Carson City	05:04:07	-49.7	Dark	Up	48.3	100.4	Up	04:59:07 - 05:09:06	5707
Gardnerville	05:04:07	-49.8	Dark	Up	48.4	100.1	Up	04:59:07 - 05:09:06	5684
Yerington	05:04:06	-50.2	Dark	Up	48.9	100.7	Up	04:59:06 - 05:09:05	5670
Hawthorne	05:04:05	-50.8	Dark	Up	49.3	100.6	Up	04:59:06 - 05:09:05	5611
Lee Vining	05:04:08	-50.6	Dark	Up	49.1	99.5	Up	04:59:08 - 05:09:07	5574
Bishop	05:04:08	-51.3	Dark	Up	49.7	99.4	Up	04:59:08 - 05:09:07	5495
Dunrhomin	05:03:27	-59.0	Dark	Up	58.6	115.7	Up	04:58:27 - 05:08:26	5404
Beatty	05:04:05	-52.7	Dark	Up	51.1	100.1	Up	04:59:05 - 05:09:04	5402
CU-SBO	05:03:27	-59.1	Dark	Up	58.6	115.2	Up	04:58:28 - 05:08:27	5382
Wildwood	05:04:11	-52.2	Dark	Up	50.0	95.4	Up	04:59:12 - 05:09:11	5191
Patrick	05:04:00	-55.4	Dark	Up	53.6	100.4	Up	04:59:01 - 05:09:00	5172
Laughlin/Bullhead City	05:04:03	-55.0	Dark	Up	53.1	99.6	Up	04:59:03 - 05:09:02	5169
Idyllwild	05:04:11	-53.8	Dark	Up	51.6	96.2	Up	04:59:12 - 05:09:11	5096
Lake Havasu City	05:04:04	-55.4	Dark	Up	53.4	98.9	Up	04:59:04 - 05:09:03	5096
Calipatria	05:04:10	-54.9	Dark	Up	52.6	96.2	Up	04:59:10 - 05:09:09	4999
George/Scottsdale	05:03:58	-57.6	Dark	Up	55.6	99.6	Up	04:58:59 - 05:08:58	4945
Yuma	05:04:08	-55.7	Dark	Up	53.4	96.3	Up	04:59:09 - 05:09:08	4928