RECON: TNO occultation with 119315

Event between (119315) 01SQ73 and star GA1220:03370618 with event index number of 2111718

Geocentric closest approach at 2026/05/14 07:01:02 UTC

J2000 position of star is 08:57:01.4 +33:45:28
Equinox of date position of star is 08:58:31.3 +33:39:48
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 107 degrees from the moon. Moon is 9% illuminated.
Apparent brightness V=22.9

[RECON map]
Object is 20.4 AU from the Sun and 20.7 AU from the Earth.
Apparent velocity is 16.1 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 221 seconds.
The 1-sigma cross-track error in the shadow position is 3605 km.
The sky-plane scale is 14998.1 km/arcsec.

The object has an absolute magnitude Hv=9.5
Diameter=72.4 km assuming a 5% albedo -- 4.7 sec chord
Diameter=29.6 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR

Star training set for 119315, (2026/05/14 07:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:55.8 +27:57:37  1.1 16.39  95
66 Cnc         09:03:00.7 +32:08:52  5.9  1.76 109
PPM 074111     08:58:17.0 +33:09:18  7.6  0.51 107
PPM 074131     08:59:41.7 +33:48:24  9.1  0.26 107
119315         08:58:39.2 +33:39:18 16.6       108
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 4.1 sigma about the mid-time.
The median site spacing is 3.5 km RECON observability=0.8 and success probability=2.2%

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

Nikitin 07:01:25 -31.3 Dark Down 15.6 301.2 Really Low 06:46:25 - 07:16:25 4768

CU-SBO 07:01:25 -31.3 Dark Down 15.7 301.2 Really Low 06:46:25 - 07:16:25 4767

Dunrhomin 07:01:24 -31.1 Dark Down 15.7 301.2 Really Low 06:46:24 - 07:16:24 4767

George/Scottsdale 07:02:10 -37.4 Dark Down 16.9 299.7 Really Low 06:47:10 - 07:17:10 4606

Patrick 07:02:10 -35.5 Dark Down 19.2 298.3 Really Low 06:47:10 - 07:17:10 4542

Lake Havasu City 07:02:10 -36.3 Dark Down 19.1 298.4 Really Low 06:47:10 - 07:17:10 4525

Laughlin/Bullhead City 07:02:10 -35.6 Dark Down 19.6 298.1 Really Low 06:47:10 - 07:17:10 4517

Yuma 07:02:10 -38.1 Dark Down 18.4 298.8 Really Low 06:47:10 - 07:17:10 4516

Sleaford 07:00:15 -19.3 Dark Down 22.1 297.0 Low 06:45:15 - 07:15:15 4503

Calipatria 07:02:10 -37.5 Dark Down 19.3 298.3 Really Low 06:47:10 - 07:17:10 4485

Idyllwild 07:02:10 -36.7 Dark Down 20.5 297.7 Low 06:47:10 - 07:17:10 4444

Beatty 07:02:09 -33.6 Dark Down 21.9 296.5 Low 06:47:09 - 07:17:09 4439

Bishop 07:02:10 -32.9 Dark Down 23.3 295.6 Low 06:47:10 - 07:17:10 4378

Wildwood 07:02:10 -36.0 Dark Down 22.0 296.8 Low 06:47:10 - 07:17:10 4373

Hawthorne 07:02:05 -31.7 Dark Down 24.0 295.0 Low 06:47:05 - 07:17:05 4368

Lee Vining 07:02:09 -32.2 Dark Down 24.1 295.0 Low 06:47:09 - 07:17:09 4350

Yerington 07:02:01 -31.1 Dark Down 24.6 294.6 Low 06:47:01 - 07:17:01 4347

Gardnerville 07:02:03 -31.1 Dark Down 25.0 294.3 Low 06:47:03 - 07:17:03 4324

Carson City 07:02:01 -30.8 Dark Down 25.1 294.2 Low 06:47:01 - 07:17:01 4322

Reno 07:01:58 -30.5 Dark Down 25.3 294.0 Low 06:46:58 - 07:16:58 4320

Cedarville 07:01:46 -28.5 Dark Down 26.3 292.9 Low 06:46:46 - 07:16:46 4297

PNWRO 07:01:16 -24.3 Dark Down 27.3 291.5 Low 06:46:16 - 07:16:16 4297

Portola 07:01:58 -30.1 Dark Down 25.8 293.6 Low 06:46:58 - 07:16:58 4294

Gimple 07:01:57 -29.7 Dark Down 26.2 293.2 Low 06:46:57 - 07:16:57 4277

Quincy 07:01:59 -29.9 Dark Down 26.2 293.3 Low 06:46:59 - 07:16:59 4274

Greenville 07:01:59 -29.7 Dark Down 26.3 293.2 Low 06:46:59 - 07:16:59 4273

Fall River/Burney 07:01:52 -28.7 Dark Down 27.0 292.5 Low 06:46:52 - 07:16:52 4252

Toppenish/White Swan 07:01:16 -23.7 Dark Down 28.4 290.4 Low 06:46:16 - 07:16:16 4239

Okanogan 07:01:01 -21.9 Dark Down 28.6 289.9 Low 06:46:01 - 07:16:01 4235

Bend 07:01:32 -25.8 Dark Down 28.1 291.1 Low 06:46:32 - 07:16:32 4234

Brewster 07:01:06 -22.2 Dark Down 28.6 289.9 Low 06:46:06 - 07:16:06 4234

Anarchist Mountain Observatory 07:00:58 -21.3 Dark Down 28.7 289.7 Low 06:45:58 - 07:15:58 4232

Oregon Observatory 07:01:35 -25.9 Dark Down 28.1 291.1 Low 06:46:35 - 07:16:35 4230

Klamath Falls 07:01:45 -27.5 Dark Down 27.7 291.8 Low 06:46:45 - 07:16:45 4230

Yakima 07:01:15 -23.5 Dark Down 28.6 290.2 Low 06:46:15 - 07:16:15 4230

Maupin 07:01:24 -24.8 Dark Down 28.4 290.6 Low 06:46:24 - 07:16:24 4230

Wenatchee 07:01:10 -22.7 Dark Down 28.7 289.9 Low 06:46:10 - 07:16:10 4226

Chiloquin 07:01:43 -27.1 Dark Down 27.9 291.6 Low 06:46:43 - 07:16:43 4225

Ellensburg 07:01:12 -23.1 Dark Down 28.7 290.0 Low 06:46:12 - 07:16:12 4225

Manson/Chelan 07:01:06 -22.3 Dark Down 28.8 289.8 Low 06:46:06 - 07:16:06 4224

Sisters 07:01:31 -25.5 Dark Down 28.4 290.8 Low 06:46:31 - 07:16:31 4221

Oliver 07:00:57 -21.1 Dark Down 28.8 289.4 Low 06:45:57 - 07:15:57 4221

The Dalles 07:01:22 -24.3 Dark Down 28.6 290.4 Low 06:46:22 - 07:16:22 4221

Penticton 07:00:54 -20.8 Dark Down 29.0 289.3 Low 06:45:54 - 07:15:54 4214

Kelowna 07:00:54 -20.5 Dark Down 29.0 289.1 Low 06:45:54 - 07:15:54 4211

Summerland 07:00:54 -20.7 Dark Down 29.1 289.1 Low 06:45:54 - 07:15:54 4209

Peachland 07:00:54 -20.5 Dark Down 29.2 289.0 Low 06:45:54 - 07:15:54 4203

Kamloops 07:00:48 -19.6 Dark Down 29.8 288.1 Low 06:45:48 - 07:15:48 4165

Victoria 07:01:07 -21.1 Dark Down 31.0 287.4 Up 06:46:07 - 07:16:07 4098

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 119315, (2026/05/14 07:01UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 16.39  95
66 Cnc         09:01:24.1 +32:15:09  5.9  1.76 109
PPM 074111     08:56:39.4 +33:15:28  7.6  0.51 107
PPM 074131     08:58:03.8 +33:54:36  9.1  0.26 107
119315         08:57:01.4 +33:45:28 16.6       107
Positions are for J2000

Event circumstances last updated at 2024/03/21 22:31:10 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)
Nikitin	07:01:25	-31.3	Dark	Down	15.6	301.2	Really Low	06:46:25 - 07:16:25	4768
CU-SBO	07:01:25	-31.3	Dark	Down	15.7	301.2	Really Low	06:46:25 - 07:16:25	4767
Dunrhomin	07:01:24	-31.1	Dark	Down	15.7	301.2	Really Low	06:46:24 - 07:16:24	4767
George/Scottsdale	07:02:10	-37.4	Dark	Down	16.9	299.7	Really Low	06:47:10 - 07:17:10	4606
Patrick	07:02:10	-35.5	Dark	Down	19.2	298.3	Really Low	06:47:10 - 07:17:10	4542
Lake Havasu City	07:02:10	-36.3	Dark	Down	19.1	298.4	Really Low	06:47:10 - 07:17:10	4525
Laughlin/Bullhead City	07:02:10	-35.6	Dark	Down	19.6	298.1	Really Low	06:47:10 - 07:17:10	4517
Yuma	07:02:10	-38.1	Dark	Down	18.4	298.8	Really Low	06:47:10 - 07:17:10	4516
Sleaford	07:00:15	-19.3	Dark	Down	22.1	297.0	Low	06:45:15 - 07:15:15	4503
Calipatria	07:02:10	-37.5	Dark	Down	19.3	298.3	Really Low	06:47:10 - 07:17:10	4485
Idyllwild	07:02:10	-36.7	Dark	Down	20.5	297.7	Low	06:47:10 - 07:17:10	4444
Beatty	07:02:09	-33.6	Dark	Down	21.9	296.5	Low	06:47:09 - 07:17:09	4439
Bishop	07:02:10	-32.9	Dark	Down	23.3	295.6	Low	06:47:10 - 07:17:10	4378
Wildwood	07:02:10	-36.0	Dark	Down	22.0	296.8	Low	06:47:10 - 07:17:10	4373
Hawthorne	07:02:05	-31.7	Dark	Down	24.0	295.0	Low	06:47:05 - 07:17:05	4368
Lee Vining	07:02:09	-32.2	Dark	Down	24.1	295.0	Low	06:47:09 - 07:17:09	4350
Yerington	07:02:01	-31.1	Dark	Down	24.6	294.6	Low	06:47:01 - 07:17:01	4347
Gardnerville	07:02:03	-31.1	Dark	Down	25.0	294.3	Low	06:47:03 - 07:17:03	4324
Carson City	07:02:01	-30.8	Dark	Down	25.1	294.2	Low	06:47:01 - 07:17:01	4322
Reno	07:01:58	-30.5	Dark	Down	25.3	294.0	Low	06:46:58 - 07:16:58	4320
Cedarville	07:01:46	-28.5	Dark	Down	26.3	292.9	Low	06:46:46 - 07:16:46	4297
PNWRO	07:01:16	-24.3	Dark	Down	27.3	291.5	Low	06:46:16 - 07:16:16	4297
Portola	07:01:58	-30.1	Dark	Down	25.8	293.6	Low	06:46:58 - 07:16:58	4294
Gimple	07:01:57	-29.7	Dark	Down	26.2	293.2	Low	06:46:57 - 07:16:57	4277
Quincy	07:01:59	-29.9	Dark	Down	26.2	293.3	Low	06:46:59 - 07:16:59	4274
Greenville	07:01:59	-29.7	Dark	Down	26.3	293.2	Low	06:46:59 - 07:16:59	4273
Fall River/Burney	07:01:52	-28.7	Dark	Down	27.0	292.5	Low	06:46:52 - 07:16:52	4252
Toppenish/White Swan	07:01:16	-23.7	Dark	Down	28.4	290.4	Low	06:46:16 - 07:16:16	4239
Okanogan	07:01:01	-21.9	Dark	Down	28.6	289.9	Low	06:46:01 - 07:16:01	4235
Bend	07:01:32	-25.8	Dark	Down	28.1	291.1	Low	06:46:32 - 07:16:32	4234
Brewster	07:01:06	-22.2	Dark	Down	28.6	289.9	Low	06:46:06 - 07:16:06	4234
Anarchist Mountain Observatory	07:00:58	-21.3	Dark	Down	28.7	289.7	Low	06:45:58 - 07:15:58	4232
Oregon Observatory	07:01:35	-25.9	Dark	Down	28.1	291.1	Low	06:46:35 - 07:16:35	4230
Klamath Falls	07:01:45	-27.5	Dark	Down	27.7	291.8	Low	06:46:45 - 07:16:45	4230
Yakima	07:01:15	-23.5	Dark	Down	28.6	290.2	Low	06:46:15 - 07:16:15	4230
Maupin	07:01:24	-24.8	Dark	Down	28.4	290.6	Low	06:46:24 - 07:16:24	4230
Wenatchee	07:01:10	-22.7	Dark	Down	28.7	289.9	Low	06:46:10 - 07:16:10	4226
Chiloquin	07:01:43	-27.1	Dark	Down	27.9	291.6	Low	06:46:43 - 07:16:43	4225
Ellensburg	07:01:12	-23.1	Dark	Down	28.7	290.0	Low	06:46:12 - 07:16:12	4225
Manson/Chelan	07:01:06	-22.3	Dark	Down	28.8	289.8	Low	06:46:06 - 07:16:06	4224
Sisters	07:01:31	-25.5	Dark	Down	28.4	290.8	Low	06:46:31 - 07:16:31	4221
Oliver	07:00:57	-21.1	Dark	Down	28.8	289.4	Low	06:45:57 - 07:15:57	4221
The Dalles	07:01:22	-24.3	Dark	Down	28.6	290.4	Low	06:46:22 - 07:16:22	4221
Penticton	07:00:54	-20.8	Dark	Down	29.0	289.3	Low	06:45:54 - 07:15:54	4214
Kelowna	07:00:54	-20.5	Dark	Down	29.0	289.1	Low	06:45:54 - 07:15:54	4211
Summerland	07:00:54	-20.7	Dark	Down	29.1	289.1	Low	06:45:54 - 07:15:54	4209
Peachland	07:00:54	-20.5	Dark	Down	29.2	289.0	Low	06:45:54 - 07:15:54	4203
Kamloops	07:00:48	-19.6	Dark	Down	29.8	288.1	Low	06:45:48 - 07:15:48	4165
Victoria	07:01:07	-21.1	Dark	Down	31.0	287.4	Up	06:46:07 - 07:16:07	4098