RECON: TNO occultation with 15788

Event between (15788) 93SB and star GA1120:00619669 with event index number of 1033094

Geocentric closest approach at 2021/01/10 05:45:52 UTC

J2000 position of star is 04:18:46.4 +23:20:25
Equinox of date position of star is 04:20:02.0 +23:23:24
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 175 degrees from the moon. Moon is 11% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 26.8 AU from the Sun and 26.0 AU from the Earth.
The TNO is moving 15.6 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 179 seconds.
The 1-sigma cross-track error in the shadow position is 1143 km.
The sky-plane scale is 18891.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=158.5 km assuming a 5% albedo -- 10.2 sec chord
Diameter=64.7 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E

Star training set for 15788, (2021/01/10 05:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.8 +16:33:00  0.8  7.93 175
44Zet Per      03:55:27.5 +31:56:40  2.8 10.13 166
56 Tau         04:20:51.6 +21:49:21  5.3  1.58 176
PPM 093427     04:21:20.1 +23:38:52  8.4  0.39 175
15788          04:20:02.1 +23:23:24 16.7       175
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 26.1 km RECON observability=1.0 and success probability=44.3%

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 05:44:22 -50.6 Dark Down 61.5 203.7 Up 05:29:22 - 05:59:22 952

Kelowna 05:44:23 -50.7 Dark Down 61.9 203.7 Up 05:29:23 - 05:59:23 914

Peachland 05:44:24 -50.6 Dark Down 62.1 203.3 Up 05:29:24 - 05:59:24 905

Summerland 05:44:24 -50.7 Dark Down 62.2 203.5 Up 05:29:24 - 05:59:24 890

Penticton 05:44:23 -50.8 Dark Down 62.2 203.8 Up 05:29:23 - 05:59:23 882

Oliver 05:44:23 -51.0 Dark Down 62.5 204.1 Up 05:29:23 - 05:59:23 846

Anarchist Mountain Observatory 05:44:22 -51.2 Dark Down 62.6 204.6 Up 05:29:22 - 05:59:22 828

Victoria 05:44:41 -49.1 Dark Down 64.0 197.0 Up 05:29:41 - 05:59:41 819

Tonasket 05:44:23 -51.3 Dark Down 62.9 204.7 Up 05:29:23 - 05:59:23 797

Okanogan 05:44:24 -51.4 Dark Down 63.3 204.7 Up 05:29:24 - 05:59:24 764

Brewster 05:44:25 -51.4 Dark Down 63.6 204.5 Up 05:29:25 - 05:59:25 738

Manson/Chelan 05:44:27 -51.3 Dark Down 63.9 204.0 Up 05:29:27 - 05:59:27 721

Wenatchee 05:44:27 -51.5 Dark Down 64.4 204.0 Up 05:29:27 - 05:59:27 674

Ellensburg 05:44:28 -51.5 Dark Down 64.8 203.9 Up 05:29:28 - 05:59:28 634

Yakima 05:44:29 -51.7 Dark Down 65.2 204.3 Up 05:29:29 - 05:59:29 593

Toppenish/White Swan 05:44:28 -51.9 Dark Down 65.3 204.8 Up 05:29:28 - 05:59:28 569

Pasco 05:44:22 -52.7 Dark Down 65.0 207.5 Up 05:29:22 - 05:59:22 544

PNWRO 05:44:21 -53.0 Dark Down 65.2 208.2 Up 05:29:21 - 05:59:21 516

Goldendale 05:44:31 -51.9 Dark Down 65.9 204.4 Up 05:29:31 - 05:59:31 516

The Dalles 05:44:32 -51.8 Dark Down 66.2 203.9 Up 05:29:32 - 05:59:32 497

Maupin 05:44:32 -52.0 Dark Down 66.6 204.5 Up 05:29:32 - 05:59:32 452

Sisters 05:44:35 -52.1 Dark Down 67.5 204.3 Up 05:29:35 - 05:59:35 367

Redmond 05:44:33 -52.3 Dark Down 67.4 205.2 Up 05:29:33 - 05:59:33 360

Bend 05:44:33 -52.3 Dark Down 67.7 205.1 Up 05:29:33 - 05:59:33 339

Oregon Observatory 05:44:34 -52.3 Dark Down 67.9 205.0 Up 05:29:34 - 05:59:34 322

La Pine/Gilchrist 05:44:35 -52.4 Dark Down 68.1 205.1 Up 05:29:35 - 05:59:35 302

North Lake 05:44:32 -52.9 Dark Down 68.3 206.9 Up 05:29:32 - 05:59:32 250

Paisley 05:44:31 -53.4 Dark Down 68.7 208.4 Up 05:29:31 - 05:59:31 188

Klamath Falls 05:44:37 -52.7 Dark Down 69.5 206.1 Up 05:29:37 - 05:59:37 153

Lakeview 05:44:30 -53.7 Dark Down 69.0 209.5 Up 05:29:30 - 05:59:30 133

Cedarville 05:44:29 -54.1 Dark Down 69.5 210.8 Up 05:29:29 - 05:59:29 62

Fall River/Burney 05:44:36 -53.4 Dark Down 70.4 208.5 Up 05:29:36 - 05:59:36 24

Susanville 05:44:32 -54.2 Dark Down 70.7 211.2 Up 05:29:32 - 05:59:32 -51

Greenville 05:44:34 -54.0 Dark Down 71.0 210.9 Up 05:29:34 - 05:59:34 -77

Gimple 05:44:33 -54.1 Dark Down 71.0 211.1 Up 05:29:33 - 05:59:33 -78

Quincy 05:44:34 -54.1 Dark Down 71.2 211.2 Up 05:29:34 - 05:59:34 -99

Portola 05:44:32 -54.5 Dark Down 71.1 212.6 Up 05:29:32 - 05:59:32 -117

Reno 05:44:28 -55.0 Dark Down 71.1 214.6 Up 05:29:28 - 05:59:28 -153

Dunrhomin 05:43:14 -64.3 Dark Down 62.4 240.1 Up 05:28:14 - 05:58:14 -167

Carson City 05:44:28 -55.2 Dark Down 71.3 215.3 Up 05:29:28 - 05:59:28 -191

Gardnerville 05:44:28 -55.3 Dark Down 71.5 215.8 Up 05:29:28 - 05:59:28 -218

Yerington 05:44:25 -55.7 Dark Down 71.2 217.1 Up 05:29:25 - 05:59:25 -219

Hawthorne 05:44:22 -56.2 Dark Down 71.3 219.3 Up 05:29:22 - 05:59:22 -274

Lee Vining 05:44:26 -56.1 Dark Down 72.0 219.2 Up 05:29:26 - 05:59:26 -330

Tonopah 05:44:15 -57.4 Dark Down 71.0 223.4 Up 05:29:15 - 05:59:15 -338

Bishop 05:44:22 -56.8 Dark Down 72.1 222.1 Up 05:29:22 - 05:59:22 -402

Beatty 05:44:13 -58.1 Dark Down 71.5 226.8 Up 05:29:13 - 05:59:13 -468

Indian Springs 05:44:07 -59.0 Dark Down 71.1 229.9 Up 05:29:07 - 05:59:07 -512

Henderson 05:44:04 -59.7 Dark Down 71.0 232.5 Up 05:29:04 - 05:59:04 -576

CPSLO 05:44:35 -55.6 Dark Down 74.8 220.9 Up 05:29:35 - 05:59:35 -599

Patrick 05:43:58 -60.8 Dark Down 70.7 236.1 Up 05:28:58 - 05:58:58 -653

Laughlin/Bullhead City 05:44:02 -60.3 Dark Down 71.3 235.3 Up 05:29:02 - 05:59:02 -675

Kingman/Dolan Springs 05:43:59 -60.7 Dark Down 70.9 236.3 Up 05:28:59 - 05:58:59 -676

Mohave Valley 05:44:02 -60.4 Dark Down 71.4 236.0 Up 05:29:02 - 05:59:02 -704

Lake Havasu City 05:44:01 -60.7 Dark Down 71.5 237.5 Up 05:29:01 - 05:59:01 -750

Wildwood 05:44:25 -57.5 Dark Down 74.5 229.5 Up 05:29:25 - 05:59:25 -754

Parker 05:44:01 -60.9 Dark Down 71.6 238.4 Up 05:29:01 - 05:59:01 -789

Idyllwild 05:44:14 -59.1 Dark Down 73.5 234.8 Up 05:29:14 - 05:59:14 -812

Blythe 05:44:02 -60.8 Dark Down 72.1 239.3 Up 05:29:02 - 05:59:02 -844

George/Scottsdale 05:43:47 -62.9 Dark Down 70.1 243.6 Up 05:28:47 - 05:58:47 -853

Calipatria 05:44:08 -60.2 Dark Down 73.0 238.9 Up 05:29:08 - 05:59:08 -890

Yuma 05:44:03 -61.0 Dark Down 72.6 241.7 Up 05:29:03 - 05:59:03 -945

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 15788, (2021/01/10 05:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  7.93 175
44Zet Per      03:54:07.9 +31:53:01  2.8 10.13 166
56 Tau         04:19:36.8 +21:46:23  5.3  1.58 176
PPM 093427     04:20:04.3 +23:35:55  8.4  0.39 175
15788          04:18:46.4 +23:20:25 16.7       175
Positions are for J2000

Event circumstances last updated at 2020/12/30 19:55:43 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	05:44:22	-50.6	Dark	Down	61.5	203.7	Up	05:29:22 - 05:59:22	952
Kelowna	05:44:23	-50.7	Dark	Down	61.9	203.7	Up	05:29:23 - 05:59:23	914
Peachland	05:44:24	-50.6	Dark	Down	62.1	203.3	Up	05:29:24 - 05:59:24	905
Summerland	05:44:24	-50.7	Dark	Down	62.2	203.5	Up	05:29:24 - 05:59:24	890
Penticton	05:44:23	-50.8	Dark	Down	62.2	203.8	Up	05:29:23 - 05:59:23	882
Oliver	05:44:23	-51.0	Dark	Down	62.5	204.1	Up	05:29:23 - 05:59:23	846
Anarchist Mountain Observatory	05:44:22	-51.2	Dark	Down	62.6	204.6	Up	05:29:22 - 05:59:22	828
Victoria	05:44:41	-49.1	Dark	Down	64.0	197.0	Up	05:29:41 - 05:59:41	819
Tonasket	05:44:23	-51.3	Dark	Down	62.9	204.7	Up	05:29:23 - 05:59:23	797
Okanogan	05:44:24	-51.4	Dark	Down	63.3	204.7	Up	05:29:24 - 05:59:24	764
Brewster	05:44:25	-51.4	Dark	Down	63.6	204.5	Up	05:29:25 - 05:59:25	738
Manson/Chelan	05:44:27	-51.3	Dark	Down	63.9	204.0	Up	05:29:27 - 05:59:27	721
Wenatchee	05:44:27	-51.5	Dark	Down	64.4	204.0	Up	05:29:27 - 05:59:27	674
Ellensburg	05:44:28	-51.5	Dark	Down	64.8	203.9	Up	05:29:28 - 05:59:28	634
Yakima	05:44:29	-51.7	Dark	Down	65.2	204.3	Up	05:29:29 - 05:59:29	593
Toppenish/White Swan	05:44:28	-51.9	Dark	Down	65.3	204.8	Up	05:29:28 - 05:59:28	569
Pasco	05:44:22	-52.7	Dark	Down	65.0	207.5	Up	05:29:22 - 05:59:22	544
PNWRO	05:44:21	-53.0	Dark	Down	65.2	208.2	Up	05:29:21 - 05:59:21	516
Goldendale	05:44:31	-51.9	Dark	Down	65.9	204.4	Up	05:29:31 - 05:59:31	516
The Dalles	05:44:32	-51.8	Dark	Down	66.2	203.9	Up	05:29:32 - 05:59:32	497
Maupin	05:44:32	-52.0	Dark	Down	66.6	204.5	Up	05:29:32 - 05:59:32	452
Sisters	05:44:35	-52.1	Dark	Down	67.5	204.3	Up	05:29:35 - 05:59:35	367
Redmond	05:44:33	-52.3	Dark	Down	67.4	205.2	Up	05:29:33 - 05:59:33	360
Bend	05:44:33	-52.3	Dark	Down	67.7	205.1	Up	05:29:33 - 05:59:33	339
Oregon Observatory	05:44:34	-52.3	Dark	Down	67.9	205.0	Up	05:29:34 - 05:59:34	322
La Pine/Gilchrist	05:44:35	-52.4	Dark	Down	68.1	205.1	Up	05:29:35 - 05:59:35	302
North Lake	05:44:32	-52.9	Dark	Down	68.3	206.9	Up	05:29:32 - 05:59:32	250
Paisley	05:44:31	-53.4	Dark	Down	68.7	208.4	Up	05:29:31 - 05:59:31	188
Klamath Falls	05:44:37	-52.7	Dark	Down	69.5	206.1	Up	05:29:37 - 05:59:37	153
Lakeview	05:44:30	-53.7	Dark	Down	69.0	209.5	Up	05:29:30 - 05:59:30	133
Cedarville	05:44:29	-54.1	Dark	Down	69.5	210.8	Up	05:29:29 - 05:59:29	62
Fall River/Burney	05:44:36	-53.4	Dark	Down	70.4	208.5	Up	05:29:36 - 05:59:36	24
Susanville	05:44:32	-54.2	Dark	Down	70.7	211.2	Up	05:29:32 - 05:59:32	-51
Greenville	05:44:34	-54.0	Dark	Down	71.0	210.9	Up	05:29:34 - 05:59:34	-77
Gimple	05:44:33	-54.1	Dark	Down	71.0	211.1	Up	05:29:33 - 05:59:33	-78
Quincy	05:44:34	-54.1	Dark	Down	71.2	211.2	Up	05:29:34 - 05:59:34	-99
Portola	05:44:32	-54.5	Dark	Down	71.1	212.6	Up	05:29:32 - 05:59:32	-117
Reno	05:44:28	-55.0	Dark	Down	71.1	214.6	Up	05:29:28 - 05:59:28	-153
Dunrhomin	05:43:14	-64.3	Dark	Down	62.4	240.1	Up	05:28:14 - 05:58:14	-167
Carson City	05:44:28	-55.2	Dark	Down	71.3	215.3	Up	05:29:28 - 05:59:28	-191
Gardnerville	05:44:28	-55.3	Dark	Down	71.5	215.8	Up	05:29:28 - 05:59:28	-218
Yerington	05:44:25	-55.7	Dark	Down	71.2	217.1	Up	05:29:25 - 05:59:25	-219
Hawthorne	05:44:22	-56.2	Dark	Down	71.3	219.3	Up	05:29:22 - 05:59:22	-274
Lee Vining	05:44:26	-56.1	Dark	Down	72.0	219.2	Up	05:29:26 - 05:59:26	-330
Tonopah	05:44:15	-57.4	Dark	Down	71.0	223.4	Up	05:29:15 - 05:59:15	-338
Bishop	05:44:22	-56.8	Dark	Down	72.1	222.1	Up	05:29:22 - 05:59:22	-402
Beatty	05:44:13	-58.1	Dark	Down	71.5	226.8	Up	05:29:13 - 05:59:13	-468
Indian Springs	05:44:07	-59.0	Dark	Down	71.1	229.9	Up	05:29:07 - 05:59:07	-512
Henderson	05:44:04	-59.7	Dark	Down	71.0	232.5	Up	05:29:04 - 05:59:04	-576
CPSLO	05:44:35	-55.6	Dark	Down	74.8	220.9	Up	05:29:35 - 05:59:35	-599
Patrick	05:43:58	-60.8	Dark	Down	70.7	236.1	Up	05:28:58 - 05:58:58	-653
Laughlin/Bullhead City	05:44:02	-60.3	Dark	Down	71.3	235.3	Up	05:29:02 - 05:59:02	-675
Kingman/Dolan Springs	05:43:59	-60.7	Dark	Down	70.9	236.3	Up	05:28:59 - 05:58:59	-676
Mohave Valley	05:44:02	-60.4	Dark	Down	71.4	236.0	Up	05:29:02 - 05:59:02	-704
Lake Havasu City	05:44:01	-60.7	Dark	Down	71.5	237.5	Up	05:29:01 - 05:59:01	-750
Wildwood	05:44:25	-57.5	Dark	Down	74.5	229.5	Up	05:29:25 - 05:59:25	-754
Parker	05:44:01	-60.9	Dark	Down	71.6	238.4	Up	05:29:01 - 05:59:01	-789
Idyllwild	05:44:14	-59.1	Dark	Down	73.5	234.8	Up	05:29:14 - 05:59:14	-812
Blythe	05:44:02	-60.8	Dark	Down	72.1	239.3	Up	05:29:02 - 05:59:02	-844
George/Scottsdale	05:43:47	-62.9	Dark	Down	70.1	243.6	Up	05:28:47 - 05:58:47	-853
Calipatria	05:44:08	-60.2	Dark	Down	73.0	238.9	Up	05:29:08 - 05:59:08	-890
Yuma	05:44:03	-61.0	Dark	Down	72.6	241.7	Up	05:29:03 - 05:59:03	-945