RECON: TNO occultation with 06QG181

Event between 06QG181 and star GA1160:01105034 with event index number of 250790

Geocentric closest approach at 2020/03/28 02:50:38 UTC

J2000 position of star is 05:09:52.7 +27:44:20
Equinox of date position of star is 05:11:08.7 +27:45:47
Stellar brightness G=13.4, use SENSEUP=32
Star is 31 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=25.4

[RECON map]
TNO is 32.9 AU from the Sun and 33.2 AU from the Earth.
The TNO is moving 14.5 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 641 seconds.
The 1-sigma cross-track error in the shadow position is 2427 km.
The sky-plane scale is 24100.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=94.6 km assuming a 5% albedo -- 4.1 sec chord
Diameter=38.6 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR

Star training set for 06QG181, (2020/03/28 02:51UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:05.1 +16:32:54  0.8 13.70  21
Alnath         05:27:34.4 +28:37:21  1.6  3.72  35
PPM 094057     05:07:08.7 +26:27:21  6.4  1.58  30
PPM 094132     05:11:20.2 +27:34:48  7.6  0.19  31
PPM 094130     05:11:17.2 +27:40:00 10.2  0.10  31
06QG181        05:11:08.9 +27:45:47 13.4        32
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 1.4 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 and success probability=0.0%

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 02:53:00 -5.6 CT Up 56.7 239.8 Up 02:38:00 - 03:08:00 -1387

Kelowna 02:53:01 -5.6 CT Up 56.9 240.1 Up 02:38:01 - 03:08:01 -1427

Peachland 02:53:00 -5.4 CT Up 57.2 239.9 Up 02:38:00 - 03:08:00 -1444

Summerland 02:53:01 -5.5 CT Up 57.2 240.2 Up 02:38:01 - 03:08:01 -1456

Penticton 02:53:02 -5.6 CT Up 57.1 240.4 Up 02:38:02 - 03:08:02 -1460

Oliver 02:53:03 -5.7 CT Up 57.3 240.9 Up 02:38:03 - 03:08:03 -1494

Anarchist Mountain Observatory 02:53:04 -5.9 CT Up 57.3 241.4 Up 02:38:04 - 03:08:04 -1506

Tonasket 02:53:05 -5.9 CT Up 57.5 241.8 Up 02:38:05 - 03:08:05 -1537

Okanogan 02:53:06 -5.9 CT Up 57.7 242.0 Up 02:38:06 - 03:08:06 -1573

Brewster 02:53:06 -5.8 CT Up 58.0 242.2 Up 02:38:06 - 03:08:06 -1603

Manson/Chelan 02:53:05 -5.6 CT Up 58.3 242.0 Up 02:38:05 - 03:08:05 -1631

Victoria 02:52:48 -3.3 CT Up 59.9 236.7 Up 02:37:48 - 03:07:48 -1636

Entiat 02:53:05 -5.6 CT Up 58.4 242.2 Up 02:38:05 - 03:08:05 -1654

Wenatchee 02:53:06 -5.5 CT Up 58.6 242.5 Up 02:38:06 - 03:08:06 -1680

Ellensburg 02:53:06 -5.5 CT Up 58.9 242.8 Up 02:38:06 - 03:08:06 -1725

Yakima 02:53:08 -5.5 CT Up 59.1 243.4 Up 02:38:08 - 03:08:08 -1765

Pasco 02:53:15 -6.6 NT Up 58.3 245.7 Up 02:38:15 - 03:08:15 -1767

Toppenish/White Swan 02:53:09 -5.7 CT Up 59.1 243.9 Up 02:38:09 - 03:08:09 -1783

PNWRO 02:53:17 -6.8 NT Up 58.3 246.3 Up 02:38:17 - 03:08:17 -1785

Goldendale 02:53:09 -5.5 CT Up 59.6 244.3 Up 02:38:09 - 03:08:09 -1846

The Dalles 02:53:08 -5.3 CT Up 59.9 244.1 Up 02:38:08 - 03:08:08 -1877

Maupin 02:53:10 -5.4 CT Up 60.0 244.9 Up 02:38:10 - 03:08:10 -1916

Niwot 02:54:38 -18.3 Dark Up 49.6 267.1 Up 02:39:38 - 03:09:38 -1976

SwRI 02:54:38 -18.3 Dark Up 49.7 267.2 Up 02:39:38 - 03:09:38 -1990

Redmond 02:53:12 -5.5 CT Up 60.5 246.3 Up 02:38:12 - 03:08:12 -2007

Sisters 02:53:10 -5.3 CT Up 60.7 245.7 Up 02:38:10 - 03:08:10 -2014

Bend 02:53:12 -5.5 CT Up 60.7 246.5 Up 02:38:12 - 03:08:12 -2031

Oregon Observatory 02:53:12 -5.4 CT Up 60.8 246.6 Up 02:38:12 - 03:08:12 -2052

La Pine/Gilchrist 02:53:12 -5.4 CT Up 60.9 246.8 Up 02:38:12 - 03:08:12 -2074

North Lake 02:53:16 -5.9 CT Up 60.7 248.3 Up 02:38:16 - 03:08:16 -2103

Paisley 02:53:20 -6.3 NT Up 60.6 249.6 Up 02:38:20 - 03:08:20 -2150

Lakeview 02:53:23 -6.5 NT Up 60.7 250.7 Up 02:38:23 - 03:08:23 -2197

Klamath Falls 02:53:15 -5.5 CT Up 61.7 249.0 Up 02:38:15 - 03:08:15 -2226

Cedarville 02:53:25 -6.8 NT Up 60.7 252.0 Up 02:38:25 - 03:08:25 -2259

Fall River/Burney 02:53:21 -6.0 CT Up 61.8 251.5 Up 02:38:21 - 03:08:21 -2337

Susanville 02:53:26 -6.6 NT Up 61.4 253.5 Up 02:38:26 - 03:08:26 -2383

Gimple 02:53:26 -6.5 NT Up 61.6 253.7 Up 02:38:26 - 03:08:26 -2416

Greenville 02:53:26 -6.5 NT Up 61.7 253.6 Up 02:38:26 - 03:08:26 -2418

Quincy 02:53:26 -6.5 NT Up 61.8 254.0 Up 02:38:26 - 03:08:26 -2439

Portola 02:53:29 -6.9 NT Up 61.4 254.7 Up 02:38:29 - 03:08:29 -2440

Reno 02:53:33 -7.4 NT Up 61.0 255.9 Up 02:38:33 - 03:08:33 -2451

Carson City 02:53:34 -7.5 NT Up 61.1 256.5 Up 02:38:34 - 03:08:34 -2487

Yerington 02:53:38 -8.1 NT Up 60.6 257.5 Up 02:38:38 - 03:08:38 -2491

Gardnerville 02:53:35 -7.6 NT Up 61.1 257.0 Up 02:38:35 - 03:08:35 -2511

Hawthorne 02:53:42 -8.6 NT Up 60.3 258.8 Up 02:38:42 - 03:08:42 -2525

Tonopah 02:53:51 -9.8 NT Up 59.2 260.8 Up 02:38:51 - 03:08:51 -2535

Lee Vining 02:53:41 -8.3 NT Up 60.8 259.3 Up 02:38:41 - 03:08:41 -2595

Bishop 02:53:48 -9.0 NT Up 60.3 261.0 Up 02:38:48 - 03:08:48 -2637

Beatty 02:53:57 -10.4 NT Up 59.0 263.1 Up 02:38:57 - 03:08:57 -2640

Indian Springs 02:54:03 -11.3 NT Up 58.2 264.5 Up 02:39:03 - 03:09:03 -2643

Henderson 02:54:08 -12.0 NT Up 57.7 265.8 Up 02:39:08 - 03:09:08 -2678

Patrick 02:54:16 -13.1 AT Up 56.8 267.5 Up 02:39:16 - 03:09:16 -2709

DCO 02:54:20 -13.7 AT Up 56.2 268.5 Up 02:39:20 - 03:09:20 -2718

Searchlight/Boulder City 02:54:11 -12.2 AT Up 57.6 266.8 Up 02:39:11 - 03:09:11 -2734

Kingman/Dolan Springs 02:54:15 -13.0 AT Up 56.9 267.8 Up 02:39:15 - 03:09:15 -2737

Laughlin/Bullhead City 02:54:13 -12.5 AT Up 57.4 267.5 Up 02:39:13 - 03:09:13 -2755

Mohave Valley 02:54:14 -12.6 AT Up 57.4 267.9 Up 02:39:14 - 03:09:14 -2782

Lake Havasu City 02:54:16 -12.9 AT Up 57.2 268.7 Up 02:39:16 - 03:09:16 -2816

George/Scottsdale 02:54:31 -15.1 AT Up 55.1 271.3 Up 02:39:31 - 03:09:31 -2819

Parker 02:54:18 -13.0 AT Up 57.1 269.2 Up 02:39:18 - 03:09:18 -2851

CPSLO 02:53:41 -7.5 NT Up 62.4 262.9 Up 02:38:41 - 03:08:41 -2909

Blythe 02:54:18 -12.9 AT Up 57.4 269.9 Up 02:39:18 - 03:09:18 -2913

Idyllwild 02:54:07 -11.1 NT Up 59.2 268.4 Up 02:39:07 - 03:09:07 -2964

Wildwood 02:53:55 -9.4 NT Up 60.8 266.6 Up 02:38:55 - 03:08:55 -2980

Calipatria 02:54:15 -12.2 AT Up 58.2 270.1 Up 02:39:15 - 03:09:15 -2992

Yuma 02:54:20 -13.1 AT Up 57.4 271.3 Up 02:39:20 - 03:09:20 -3010

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 06QG181, (2020/03/28 02:51UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 13.70  21
Alnath         05:26:17.5 +28:36:23  1.6  3.72  35
PPM 094057     05:05:53.4 +26:25:47  6.4  1.58  30
PPM 094132     05:10:04.2 +27:33:21  7.6  0.19  31
PPM 094130     05:10:01.2 +27:38:33 10.2  0.10  31
06QG181        05:09:52.7 +27:44:20 13.4        31
Positions are for J2000

Event circumstances last updated at 2020/03/09 20:46:58 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)
Clarence Fulton	02:53:00	-5.6	CT	Up	56.7	239.8	Up	02:38:00 - 03:08:00	-1387
Kelowna	02:53:01	-5.6	CT	Up	56.9	240.1	Up	02:38:01 - 03:08:01	-1427
Peachland	02:53:00	-5.4	CT	Up	57.2	239.9	Up	02:38:00 - 03:08:00	-1444
Summerland	02:53:01	-5.5	CT	Up	57.2	240.2	Up	02:38:01 - 03:08:01	-1456
Penticton	02:53:02	-5.6	CT	Up	57.1	240.4	Up	02:38:02 - 03:08:02	-1460
Oliver	02:53:03	-5.7	CT	Up	57.3	240.9	Up	02:38:03 - 03:08:03	-1494
Anarchist Mountain Observatory	02:53:04	-5.9	CT	Up	57.3	241.4	Up	02:38:04 - 03:08:04	-1506
Tonasket	02:53:05	-5.9	CT	Up	57.5	241.8	Up	02:38:05 - 03:08:05	-1537
Okanogan	02:53:06	-5.9	CT	Up	57.7	242.0	Up	02:38:06 - 03:08:06	-1573
Brewster	02:53:06	-5.8	CT	Up	58.0	242.2	Up	02:38:06 - 03:08:06	-1603
Manson/Chelan	02:53:05	-5.6	CT	Up	58.3	242.0	Up	02:38:05 - 03:08:05	-1631
Victoria	02:52:48	-3.3	CT	Up	59.9	236.7	Up	02:37:48 - 03:07:48	-1636
Entiat	02:53:05	-5.6	CT	Up	58.4	242.2	Up	02:38:05 - 03:08:05	-1654
Wenatchee	02:53:06	-5.5	CT	Up	58.6	242.5	Up	02:38:06 - 03:08:06	-1680
Ellensburg	02:53:06	-5.5	CT	Up	58.9	242.8	Up	02:38:06 - 03:08:06	-1725
Yakima	02:53:08	-5.5	CT	Up	59.1	243.4	Up	02:38:08 - 03:08:08	-1765
Pasco	02:53:15	-6.6	NT	Up	58.3	245.7	Up	02:38:15 - 03:08:15	-1767
Toppenish/White Swan	02:53:09	-5.7	CT	Up	59.1	243.9	Up	02:38:09 - 03:08:09	-1783
PNWRO	02:53:17	-6.8	NT	Up	58.3	246.3	Up	02:38:17 - 03:08:17	-1785
Goldendale	02:53:09	-5.5	CT	Up	59.6	244.3	Up	02:38:09 - 03:08:09	-1846
The Dalles	02:53:08	-5.3	CT	Up	59.9	244.1	Up	02:38:08 - 03:08:08	-1877
Maupin	02:53:10	-5.4	CT	Up	60.0	244.9	Up	02:38:10 - 03:08:10	-1916
Niwot	02:54:38	-18.3	Dark	Up	49.6	267.1	Up	02:39:38 - 03:09:38	-1976
SwRI	02:54:38	-18.3	Dark	Up	49.7	267.2	Up	02:39:38 - 03:09:38	-1990
Redmond	02:53:12	-5.5	CT	Up	60.5	246.3	Up	02:38:12 - 03:08:12	-2007
Sisters	02:53:10	-5.3	CT	Up	60.7	245.7	Up	02:38:10 - 03:08:10	-2014
Bend	02:53:12	-5.5	CT	Up	60.7	246.5	Up	02:38:12 - 03:08:12	-2031
Oregon Observatory	02:53:12	-5.4	CT	Up	60.8	246.6	Up	02:38:12 - 03:08:12	-2052
La Pine/Gilchrist	02:53:12	-5.4	CT	Up	60.9	246.8	Up	02:38:12 - 03:08:12	-2074
North Lake	02:53:16	-5.9	CT	Up	60.7	248.3	Up	02:38:16 - 03:08:16	-2103
Paisley	02:53:20	-6.3	NT	Up	60.6	249.6	Up	02:38:20 - 03:08:20	-2150
Lakeview	02:53:23	-6.5	NT	Up	60.7	250.7	Up	02:38:23 - 03:08:23	-2197
Klamath Falls	02:53:15	-5.5	CT	Up	61.7	249.0	Up	02:38:15 - 03:08:15	-2226
Cedarville	02:53:25	-6.8	NT	Up	60.7	252.0	Up	02:38:25 - 03:08:25	-2259
Fall River/Burney	02:53:21	-6.0	CT	Up	61.8	251.5	Up	02:38:21 - 03:08:21	-2337
Susanville	02:53:26	-6.6	NT	Up	61.4	253.5	Up	02:38:26 - 03:08:26	-2383
Gimple	02:53:26	-6.5	NT	Up	61.6	253.7	Up	02:38:26 - 03:08:26	-2416
Greenville	02:53:26	-6.5	NT	Up	61.7	253.6	Up	02:38:26 - 03:08:26	-2418
Quincy	02:53:26	-6.5	NT	Up	61.8	254.0	Up	02:38:26 - 03:08:26	-2439
Portola	02:53:29	-6.9	NT	Up	61.4	254.7	Up	02:38:29 - 03:08:29	-2440
Reno	02:53:33	-7.4	NT	Up	61.0	255.9	Up	02:38:33 - 03:08:33	-2451
Carson City	02:53:34	-7.5	NT	Up	61.1	256.5	Up	02:38:34 - 03:08:34	-2487
Yerington	02:53:38	-8.1	NT	Up	60.6	257.5	Up	02:38:38 - 03:08:38	-2491
Gardnerville	02:53:35	-7.6	NT	Up	61.1	257.0	Up	02:38:35 - 03:08:35	-2511
Hawthorne	02:53:42	-8.6	NT	Up	60.3	258.8	Up	02:38:42 - 03:08:42	-2525
Tonopah	02:53:51	-9.8	NT	Up	59.2	260.8	Up	02:38:51 - 03:08:51	-2535
Lee Vining	02:53:41	-8.3	NT	Up	60.8	259.3	Up	02:38:41 - 03:08:41	-2595
Bishop	02:53:48	-9.0	NT	Up	60.3	261.0	Up	02:38:48 - 03:08:48	-2637
Beatty	02:53:57	-10.4	NT	Up	59.0	263.1	Up	02:38:57 - 03:08:57	-2640
Indian Springs	02:54:03	-11.3	NT	Up	58.2	264.5	Up	02:39:03 - 03:09:03	-2643
Henderson	02:54:08	-12.0	NT	Up	57.7	265.8	Up	02:39:08 - 03:09:08	-2678
Patrick	02:54:16	-13.1	AT	Up	56.8	267.5	Up	02:39:16 - 03:09:16	-2709
DCO	02:54:20	-13.7	AT	Up	56.2	268.5	Up	02:39:20 - 03:09:20	-2718
Searchlight/Boulder City	02:54:11	-12.2	AT	Up	57.6	266.8	Up	02:39:11 - 03:09:11	-2734
Kingman/Dolan Springs	02:54:15	-13.0	AT	Up	56.9	267.8	Up	02:39:15 - 03:09:15	-2737
Laughlin/Bullhead City	02:54:13	-12.5	AT	Up	57.4	267.5	Up	02:39:13 - 03:09:13	-2755
Mohave Valley	02:54:14	-12.6	AT	Up	57.4	267.9	Up	02:39:14 - 03:09:14	-2782
Lake Havasu City	02:54:16	-12.9	AT	Up	57.2	268.7	Up	02:39:16 - 03:09:16	-2816
George/Scottsdale	02:54:31	-15.1	AT	Up	55.1	271.3	Up	02:39:31 - 03:09:31	-2819
Parker	02:54:18	-13.0	AT	Up	57.1	269.2	Up	02:39:18 - 03:09:18	-2851
CPSLO	02:53:41	-7.5	NT	Up	62.4	262.9	Up	02:38:41 - 03:08:41	-2909
Blythe	02:54:18	-12.9	AT	Up	57.4	269.9	Up	02:39:18 - 03:09:18	-2913
Idyllwild	02:54:07	-11.1	NT	Up	59.2	268.4	Up	02:39:07 - 03:09:07	-2964
Wildwood	02:53:55	-9.4	NT	Up	60.8	266.6	Up	02:38:55 - 03:08:55	-2980
Calipatria	02:54:15	-12.2	AT	Up	58.2	270.1	Up	02:39:15 - 03:09:15	-2992
Yuma	02:54:20	-13.1	AT	Up	57.4	271.3	Up	02:39:20 - 03:09:20	-3010