RECON: TNO occultation with 13RN158

Event between 13RN158 and star GA0920:18057773 with event index number of 2713416

Geocentric closest approach at 2022/09/22 08:33:22 UTC

J2000 position of star is 22:45:22.1 +02:11:41
Equinox of date position of star is 22:46:28.9 +02:18:36
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 151 degrees from the moon. Moon is 13% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 34.0 AU from the Sun and 33.0 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 384 seconds.
The 1-sigma cross-track error in the shadow position is 5372 km.
The sky-plane scale is 23968.2 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 6.3 sec chord
Diameter=59.0 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CENTAURR

Star training set for 13RN158, (2022/09/22 08:33UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:54.1 -29:30:05  1.2 31.95 158
Markab         23:05:53.7 +15:19:41  2.5 13.86 137
1 Psc          22:56:09.2 +01:11:11  6.2  2.66 150
PPM 173396     22:46:32.3 +01:52:20  8.2  0.44 151
PPM 173418     22:47:50.1 +02:34:47  9.7  0.42 150
PPM 173398     22:46:41.9 +02:19:58 10.9  0.05 151
13RN158        22:46:31.6 +02:18:53 15.3       150
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 2.3 sigma about the mid-time.
The median site spacing is 24.4 km RECON observability=1.0 and success probability=8.6%

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

Clarence Fulton 08:30:32 -38.7 Dark Down 36.4 215.9 Up 08:15:32 - 08:45:32 3969

Victoria 08:30:43 -40.9 Dark Down 39.3 211.8 Up 08:15:43 - 08:45:43 3946

Kelowna 08:30:33 -39.1 Dark Down 36.7 215.8 Up 08:15:33 - 08:45:33 3941

Peachland 08:30:33 -39.3 Dark Down 36.9 215.6 Up 08:15:33 - 08:45:33 3940

Summerland 08:30:33 -39.4 Dark Down 37.0 215.7 Up 08:15:33 - 08:45:33 3925

Penticton 08:30:33 -39.5 Dark Down 37.0 215.9 Up 08:15:33 - 08:45:33 3916

Oliver 08:30:33 -39.8 Dark Down 37.3 216.0 Up 08:15:33 - 08:45:33 3886

Anarchist Mountain Observatory 08:30:33 -40.0 Dark Down 37.4 216.3 Up 08:15:33 - 08:45:33 3866

Tonasket 08:30:33 -40.3 Dark Down 37.6 216.4 Up 08:15:33 - 08:45:33 3841

Okanogan 08:30:33 -40.6 Dark Down 38.0 216.4 Up 08:15:33 - 08:45:33 3817

Brewster 08:30:34 -40.9 Dark Down 38.3 216.3 Up 08:15:34 - 08:45:34 3800

Manson/Chelan 08:30:33 -41.2 Dark Down 38.6 215.9 Up 08:15:33 - 08:45:33 3793

Wenatchee 08:30:35 -41.7 Dark Down 39.0 216.0 Up 08:15:35 - 08:45:35 3757

Ellensburg 08:30:36 -42.1 Dark Down 39.5 215.9 Up 08:15:36 - 08:45:36 3728

Yakima 08:30:35 -42.5 Dark Down 39.8 216.1 Up 08:15:35 - 08:45:35 3693

Toppenish/White Swan 08:30:36 -42.7 Dark Down 39.9 216.4 Up 08:15:36 - 08:45:36 3669

Goldendale 08:30:37 -43.3 Dark Down 40.5 216.2 Up 08:15:37 - 08:45:37 3635

The Dalles 08:30:37 -43.6 Dark Down 40.9 215.8 Up 08:15:37 - 08:45:37 3626

Pasco 08:30:32 -42.6 Dark Down 39.5 217.9 Up 08:15:32 - 08:45:32 3619

PNWRO 08:30:32 -42.8 Dark Down 39.6 218.3 Up 08:15:32 - 08:45:32 3590

Maupin 08:30:38 -44.0 Dark Down 41.1 216.2 Up 08:15:38 - 08:45:38 3586

Sisters 08:30:39 -44.9 Dark Down 42.1 216.1 Up 08:15:39 - 08:45:39 3525

Redmond 08:30:39 -44.8 Dark Down 41.9 216.6 Up 08:15:39 - 08:45:39 3510

Bend 08:30:38 -45.1 Dark Down 42.1 216.5 Up 08:15:38 - 08:45:38 3495

Oregon Observatory 08:30:40 -45.3 Dark Down 42.3 216.4 Up 08:15:40 - 08:45:40 3484

La Pine/Gilchrist 08:30:39 -45.5 Dark Down 42.5 216.5 Up 08:15:39 - 08:45:39 3468

North Lake 08:30:37 -45.8 Dark Down 42.6 217.4 Up 08:15:37 - 08:45:37 3409

Chiloquin 08:30:41 -46.6 Dark Down 43.6 216.7 Up 08:15:41 - 08:45:41 3381

Paisley 08:30:37 -46.3 Dark Down 42.9 218.2 Up 08:15:37 - 08:45:37 3348

Klamath Falls 08:30:41 -46.9 Dark Down 43.8 217.0 Up 08:15:41 - 08:45:41 3347

Lakeview 08:30:36 -46.8 Dark Down 43.2 218.7 Up 08:15:36 - 08:45:36 3295

Cedarville 08:30:36 -47.4 Dark Down 43.6 219.3 Up 08:15:36 - 08:45:36 3230

Fall River/Burney 08:30:40 -48.0 Dark Down 44.6 218.1 Up 08:15:40 - 08:45:40 3227

Susanville 08:30:38 -48.5 Dark Down 44.7 219.4 Up 08:15:38 - 08:45:38 3144

Greenville 08:30:39 -48.9 Dark Down 45.1 219.2 Up 08:15:39 - 08:45:39 3129

Gimple 08:30:40 -48.8 Dark Down 45.0 219.4 Up 08:15:40 - 08:45:40 3126

Quincy 08:30:40 -49.0 Dark Down 45.2 219.4 Up 08:15:40 - 08:45:40 3110

Portola 08:30:38 -49.1 Dark Down 45.1 220.0 Up 08:15:38 - 08:45:38 3082

Reno 08:30:36 -49.2 Dark Down 45.0 221.0 Up 08:15:36 - 08:45:36 3035

Carson City 08:30:36 -49.6 Dark Down 45.2 221.3 Up 08:15:36 - 08:45:36 3000

Gardnerville 08:30:37 -49.8 Dark Down 45.4 221.5 Up 08:15:37 - 08:45:37 2976

Yerington 08:30:34 -49.6 Dark Down 45.1 222.2 Up 08:15:34 - 08:45:34 2960

Hawthorne 08:30:34 -49.9 Dark Down 45.1 223.1 Up 08:15:34 - 08:45:34 2898

Lee Vining 08:30:35 -50.6 Dark Down 45.8 222.9 Up 08:15:35 - 08:45:35 2862

Tonopah 08:30:29 -50.1 Dark Down 44.7 225.1 Up 08:15:29 - 08:45:29 2805

Bishop 08:30:33 -51.0 Dark Down 45.8 224.2 Up 08:15:33 - 08:45:33 2780

Beatty 08:30:30 -51.0 Dark Down 45.2 226.4 Up 08:15:30 - 08:45:30 2678

CPSLO 08:30:42 -53.5 Dark Down 48.6 223.0 Up 08:15:42 - 08:45:42 2665

Dunrhomin 08:29:57 -43.9 Dark Down 36.2 236.2 Up 08:14:57 - 08:44:57 2641

Indian Springs 08:30:26 -51.0 Dark Down 44.8 227.9 Up 08:15:26 - 08:45:26 2609

Henderson 08:30:24 -51.3 Dark Down 44.8 229.1 Up 08:15:24 - 08:45:24 2533

Wildwood 08:30:36 -54.2 Dark Down 48.2 226.5 Up 08:15:36 - 08:45:36 2473

Laughlin/Bullhead City 08:30:24 -52.0 Dark Down 45.1 230.2 Up 08:15:24 - 08:45:24 2434

Patrick 08:30:22 -51.5 Dark Down 44.5 230.8 Up 08:15:22 - 08:45:22 2434

Kingman/Dolan Springs 08:30:23 -51.8 Dark Down 44.7 230.7 Up 08:15:23 - 08:45:23 2418

Mohave Valley 08:30:23 -52.2 Dark Down 45.3 230.4 Up 08:15:23 - 08:45:23 2407

Idyllwild 08:30:31 -54.0 Dark Down 47.3 229.0 Up 08:15:31 - 08:45:31 2369

Lake Havasu City 08:30:23 -52.5 Dark Down 45.3 231.0 Up 08:15:23 - 08:45:23 2359

Parker 08:30:24 -52.8 Dark Down 45.5 231.3 Up 08:15:24 - 08:45:24 2323

Blythe 08:30:25 -53.4 Dark Down 46.1 231.4 Up 08:15:25 - 08:45:25 2282

Calipatria 08:30:28 -54.1 Dark Down 47.0 230.8 Up 08:15:28 - 08:45:28 2266

George/Scottsdale 08:30:17 -52.2 Dark Down 44.2 234.2 Up 08:15:17 - 08:45:17 2197

Yuma 08:30:26 -54.2 Dark Down 46.7 232.1 Up 08:15:26 - 08:45:26 2192

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 13RN158, (2022/09/22 08:33UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 31.95 158
Markab         23:04:45.8 +15:12:18  2.5 13.86 137
1 Psc          22:54:59.5 +01:03:54  6.2  2.66 150
PPM 173396     22:45:22.7 +01:45:08  8.2  0.44 151
PPM 173418     22:46:40.7 +02:27:34  9.7  0.42 150
PPM 173398     22:45:32.4 +02:12:46 10.9  0.05 151
13RN158        22:45:22.1 +02:11:41 15.3       151
Positions are for J2000

Event circumstances last updated at 2021/11/02 00:52:42 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)
Clarence Fulton	08:30:32	-38.7	Dark	Down	36.4	215.9	Up	08:15:32 - 08:45:32	3969
Victoria	08:30:43	-40.9	Dark	Down	39.3	211.8	Up	08:15:43 - 08:45:43	3946
Kelowna	08:30:33	-39.1	Dark	Down	36.7	215.8	Up	08:15:33 - 08:45:33	3941
Peachland	08:30:33	-39.3	Dark	Down	36.9	215.6	Up	08:15:33 - 08:45:33	3940
Summerland	08:30:33	-39.4	Dark	Down	37.0	215.7	Up	08:15:33 - 08:45:33	3925
Penticton	08:30:33	-39.5	Dark	Down	37.0	215.9	Up	08:15:33 - 08:45:33	3916
Oliver	08:30:33	-39.8	Dark	Down	37.3	216.0	Up	08:15:33 - 08:45:33	3886
Anarchist Mountain Observatory	08:30:33	-40.0	Dark	Down	37.4	216.3	Up	08:15:33 - 08:45:33	3866
Tonasket	08:30:33	-40.3	Dark	Down	37.6	216.4	Up	08:15:33 - 08:45:33	3841
Okanogan	08:30:33	-40.6	Dark	Down	38.0	216.4	Up	08:15:33 - 08:45:33	3817
Brewster	08:30:34	-40.9	Dark	Down	38.3	216.3	Up	08:15:34 - 08:45:34	3800
Manson/Chelan	08:30:33	-41.2	Dark	Down	38.6	215.9	Up	08:15:33 - 08:45:33	3793
Wenatchee	08:30:35	-41.7	Dark	Down	39.0	216.0	Up	08:15:35 - 08:45:35	3757
Ellensburg	08:30:36	-42.1	Dark	Down	39.5	215.9	Up	08:15:36 - 08:45:36	3728
Yakima	08:30:35	-42.5	Dark	Down	39.8	216.1	Up	08:15:35 - 08:45:35	3693
Toppenish/White Swan	08:30:36	-42.7	Dark	Down	39.9	216.4	Up	08:15:36 - 08:45:36	3669
Goldendale	08:30:37	-43.3	Dark	Down	40.5	216.2	Up	08:15:37 - 08:45:37	3635
The Dalles	08:30:37	-43.6	Dark	Down	40.9	215.8	Up	08:15:37 - 08:45:37	3626
Pasco	08:30:32	-42.6	Dark	Down	39.5	217.9	Up	08:15:32 - 08:45:32	3619
PNWRO	08:30:32	-42.8	Dark	Down	39.6	218.3	Up	08:15:32 - 08:45:32	3590
Maupin	08:30:38	-44.0	Dark	Down	41.1	216.2	Up	08:15:38 - 08:45:38	3586
Sisters	08:30:39	-44.9	Dark	Down	42.1	216.1	Up	08:15:39 - 08:45:39	3525
Redmond	08:30:39	-44.8	Dark	Down	41.9	216.6	Up	08:15:39 - 08:45:39	3510
Bend	08:30:38	-45.1	Dark	Down	42.1	216.5	Up	08:15:38 - 08:45:38	3495
Oregon Observatory	08:30:40	-45.3	Dark	Down	42.3	216.4	Up	08:15:40 - 08:45:40	3484
La Pine/Gilchrist	08:30:39	-45.5	Dark	Down	42.5	216.5	Up	08:15:39 - 08:45:39	3468
North Lake	08:30:37	-45.8	Dark	Down	42.6	217.4	Up	08:15:37 - 08:45:37	3409
Chiloquin	08:30:41	-46.6	Dark	Down	43.6	216.7	Up	08:15:41 - 08:45:41	3381
Paisley	08:30:37	-46.3	Dark	Down	42.9	218.2	Up	08:15:37 - 08:45:37	3348
Klamath Falls	08:30:41	-46.9	Dark	Down	43.8	217.0	Up	08:15:41 - 08:45:41	3347
Lakeview	08:30:36	-46.8	Dark	Down	43.2	218.7	Up	08:15:36 - 08:45:36	3295
Cedarville	08:30:36	-47.4	Dark	Down	43.6	219.3	Up	08:15:36 - 08:45:36	3230
Fall River/Burney	08:30:40	-48.0	Dark	Down	44.6	218.1	Up	08:15:40 - 08:45:40	3227
Susanville	08:30:38	-48.5	Dark	Down	44.7	219.4	Up	08:15:38 - 08:45:38	3144
Greenville	08:30:39	-48.9	Dark	Down	45.1	219.2	Up	08:15:39 - 08:45:39	3129
Gimple	08:30:40	-48.8	Dark	Down	45.0	219.4	Up	08:15:40 - 08:45:40	3126
Quincy	08:30:40	-49.0	Dark	Down	45.2	219.4	Up	08:15:40 - 08:45:40	3110
Portola	08:30:38	-49.1	Dark	Down	45.1	220.0	Up	08:15:38 - 08:45:38	3082
Reno	08:30:36	-49.2	Dark	Down	45.0	221.0	Up	08:15:36 - 08:45:36	3035
Carson City	08:30:36	-49.6	Dark	Down	45.2	221.3	Up	08:15:36 - 08:45:36	3000
Gardnerville	08:30:37	-49.8	Dark	Down	45.4	221.5	Up	08:15:37 - 08:45:37	2976
Yerington	08:30:34	-49.6	Dark	Down	45.1	222.2	Up	08:15:34 - 08:45:34	2960
Hawthorne	08:30:34	-49.9	Dark	Down	45.1	223.1	Up	08:15:34 - 08:45:34	2898
Lee Vining	08:30:35	-50.6	Dark	Down	45.8	222.9	Up	08:15:35 - 08:45:35	2862
Tonopah	08:30:29	-50.1	Dark	Down	44.7	225.1	Up	08:15:29 - 08:45:29	2805
Bishop	08:30:33	-51.0	Dark	Down	45.8	224.2	Up	08:15:33 - 08:45:33	2780
Beatty	08:30:30	-51.0	Dark	Down	45.2	226.4	Up	08:15:30 - 08:45:30	2678
CPSLO	08:30:42	-53.5	Dark	Down	48.6	223.0	Up	08:15:42 - 08:45:42	2665
Dunrhomin	08:29:57	-43.9	Dark	Down	36.2	236.2	Up	08:14:57 - 08:44:57	2641
Indian Springs	08:30:26	-51.0	Dark	Down	44.8	227.9	Up	08:15:26 - 08:45:26	2609
Henderson	08:30:24	-51.3	Dark	Down	44.8	229.1	Up	08:15:24 - 08:45:24	2533
Wildwood	08:30:36	-54.2	Dark	Down	48.2	226.5	Up	08:15:36 - 08:45:36	2473
Laughlin/Bullhead City	08:30:24	-52.0	Dark	Down	45.1	230.2	Up	08:15:24 - 08:45:24	2434
Patrick	08:30:22	-51.5	Dark	Down	44.5	230.8	Up	08:15:22 - 08:45:22	2434
Kingman/Dolan Springs	08:30:23	-51.8	Dark	Down	44.7	230.7	Up	08:15:23 - 08:45:23	2418
Mohave Valley	08:30:23	-52.2	Dark	Down	45.3	230.4	Up	08:15:23 - 08:45:23	2407
Idyllwild	08:30:31	-54.0	Dark	Down	47.3	229.0	Up	08:15:31 - 08:45:31	2369
Lake Havasu City	08:30:23	-52.5	Dark	Down	45.3	231.0	Up	08:15:23 - 08:45:23	2359
Parker	08:30:24	-52.8	Dark	Down	45.5	231.3	Up	08:15:24 - 08:45:24	2323
Blythe	08:30:25	-53.4	Dark	Down	46.1	231.4	Up	08:15:25 - 08:45:25	2282
Calipatria	08:30:28	-54.1	Dark	Down	47.0	230.8	Up	08:15:28 - 08:45:28	2266
George/Scottsdale	08:30:17	-52.2	Dark	Down	44.2	234.2	Up	08:15:17 - 08:45:17	2197
Yuma	08:30:26	-54.2	Dark	Down	46.7	232.1	Up	08:15:26 - 08:45:26	2192