RECON: TNO occultation with 00WL183

Event between 00WL183 and star GA1120:01986294 with event index number of 1937651

Geocentric closest approach at 2026/09/08 11:40:35 UTC

J2000 position of star is 06:17:30.0 +23:18:58
Equinox of date position of star is 06:18:57.2 +23:18:20
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 37 degrees from the moon. Moon is 9% illuminated.
Apparent brightness V=24.3

[RECON map]
Object is 46.2 AU from the Sun and 46.6 AU from the Earth.
Apparent velocity is 13.2 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 1021 seconds.
The 1-sigma cross-track error in the shadow position is 5056 km.
The sky-plane scale is 33764.0 km/arcsec.

The object has an absolute magnitude Hv=7.5
Diameter=187.9 km assuming a 5% albedo -- 14.2 sec chord
Diameter=76.7 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00WL183, (2026/09/08 11:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:37.0 +07:24:35  0.4 16.79  46
Alhena         06:39:15.2 +16:22:27  1.9  8.39  33
9 Gem          06:18:36.4 +23:43:46  6.1  0.44  37
PPM 095754     06:20:32.0 +23:35:26  7.8  0.43  37
PPM 095739     06:20:03.1 +23:33:32  9.6  0.33  37
00WL183        06:19:07.4 +23:18:15 15.7        37
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 0.9 sigma about the mid-time.
The median site spacing is 30.7 km RECON observability=0.9 and success probability=3.1%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	11:36:32	-17.0	AT	Up	41.0	103.5	Up	11:21:32 - 11:51:32	11685
Kelowna	11:36:31	-16.9	AT	Up	41.7	103.6	Up	11:21:31 - 11:51:31	11595
Peachland	11:36:28	-17.2	AT	Up	41.6	103.2	Up	11:21:28 - 11:51:28	11593
Summerland	11:36:28	-17.2	AT	Up	41.7	103.2	Up	11:21:28 - 11:51:28	11577
Victoria	11:36:12	-19.9	Dark	Up	39.4	99.0	Up	11:21:12 - 11:51:12	11572
Penticton	11:36:28	-17.2	AT	Up	41.7	103.2	Up	11:21:28 - 11:51:28	11569
Oliver	11:36:27	-17.4	AT	Up	41.8	102.9	Up	11:21:27 - 11:51:27	11538
Sleaford	11:37:30	-8.2	NT	Up	49.0	119.7	Up	11:22:30 - 11:52:30	11527
Anarchist Mountain Observatory	11:36:26	-17.3	AT	Up	42.0	102.9	Up	11:21:26 - 11:51:26	11519
Okanogan	11:36:23	-17.8	AT	Up	42.0	102.2	Up	11:21:23 - 11:51:23	11467
Brewster	11:36:21	-18.1	Dark	Up	41.9	101.7	Up	11:21:21 - 11:51:21	11448
Manson/Chelan	11:36:17	-18.4	Dark	Up	41.7	101.2	Up	11:21:17 - 11:51:17	11439
Wenatchee	11:36:16	-18.7	Dark	Up	41.7	100.7	Up	11:21:16 - 11:51:16	11401
Ellensburg	11:36:12	-19.1	Dark	Up	41.6	100.1	Up	11:21:12 - 11:51:12	11369
Yakima	11:36:11	-19.3	Dark	Up	41.6	99.7	Up	11:21:11 - 11:51:11	11333
Toppenish/White Swan	11:36:10	-19.3	Dark	Up	41.8	99.7	Up	11:21:10 - 11:51:10	11310
The Dalles	11:36:04	-20.2	Dark	Up	41.3	98.3	Up	11:21:04 - 11:51:04	11260
PNWRO	11:36:13	-18.6	Dark	Up	42.9	100.6	Up	11:21:13 - 11:51:13	11240
Maupin	11:36:03	-20.4	Dark	Up	41.5	98.0	Up	11:21:03 - 11:51:03	11219
Sisters	11:35:56	-21.2	Dark	Up	41.2	96.9	Up	11:20:56 - 11:50:56	11152
Bend	11:35:56	-21.1	Dark	Up	41.4	96.9	Up	11:20:56 - 11:50:56	11124
Oregon Observatory	11:35:55	-21.3	Dark	Up	41.4	96.6	Up	11:20:55 - 11:50:55	11111
Chiloquin	11:35:47	-22.3	Dark	Up	41.2	95.1	Up	11:20:47 - 11:50:47	11001
Klamath Falls	11:35:46	-22.4	Dark	Up	41.2	94.9	Up	11:20:46 - 11:50:46	10967
Cedarville	11:35:49	-21.7	Dark	Up	42.5	95.4	Up	11:20:49 - 11:50:49	10860
Fall River/Burney	11:35:42	-22.8	Dark	Up	41.6	94.1	Up	11:20:42 - 11:50:42	10847
Greenville	11:35:39	-22.9	Dark	Up	42.0	93.6	Up	11:20:39 - 11:50:39	10750
Gimple	11:35:40	-22.9	Dark	Up	42.1	93.6	Up	11:20:40 - 11:50:40	10747
Quincy	11:35:41	-23.0	Dark	Up	42.0	93.4	Up	11:20:41 - 11:50:41	10730
Portola	11:35:40	-22.8	Dark	Up	42.4	93.6	Up	11:20:40 - 11:50:40	10706
Reno	11:35:41	-22.4	Dark	Up	42.9	93.8	Up	11:20:41 - 11:50:41	10663
Carson City	11:35:40	-22.6	Dark	Up	43.0	93.5	Up	11:20:40 - 11:50:40	10628
Gardnerville	11:35:39	-22.7	Dark	Up	43.0	93.3	Up	11:20:39 - 11:50:39	10603
Yerington	11:35:42	-22.3	Dark	Up	43.5	93.8	Up	11:20:42 - 11:50:42	10592
Hawthorne	11:35:42	-22.1	Dark	Up	43.9	93.7	Up	11:20:42 - 11:50:42	10532
Lee Vining	11:35:38	-22.7	Dark	Up	43.5	92.8	Up	11:20:38 - 11:50:38	10491
Bishop	11:35:38	-22.5	Dark	Up	44.1	92.7	Up	11:20:38 - 11:50:38	10413
Dunrhomin	11:36:49	-11.6	NT	Up	54.1	106.5	Up	11:21:49 - 11:51:49	10382
Nikitin	11:36:50	-11.7	NT	Up	54.1	106.3	Up	11:21:50 - 11:51:50	10364
CU-SBO	11:36:48	-11.8	NT	Up	54.1	106.1	Up	11:21:48 - 11:51:48	10359
Beatty	11:35:43	-21.5	Dark	Up	45.5	93.3	Up	11:20:43 - 11:50:43	10323
Patrick	11:35:51	-19.9	Dark	Up	47.9	93.6	Up	11:20:51 - 11:50:51	10098
Wildwood	11:35:24	-24.1	Dark	Up	44.0	89.4	Up	11:20:24 - 11:50:24	10096
Laughlin/Bullhead City	11:35:47	-20.6	Dark	Up	47.4	92.9	Up	11:20:47 - 11:50:47	10092
Lake Havasu City	11:35:45	-20.6	Dark	Up	47.6	92.3	Up	11:20:45 - 11:50:45	10017
Idyllwild	11:35:31	-22.8	Dark	Up	45.6	90.1	Up	11:20:31 - 11:50:31	10007
Calipatria	11:35:35	-22.1	Dark	Up	46.6	90.1	Up	11:20:35 - 11:50:35	9912
George/Scottsdale	11:35:54	-19.0	Dark	Up	49.7	92.9	Up	11:20:54 - 11:50:54	9874
Yuma	11:35:38	-21.6	Dark	Up	47.3	90.1	Up	11:20:38 - 11:50:38	9843

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 00WL183, (2026/09/08 11:41UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.79  46
Alhena         06:37:42.8 +16:23:57  1.9  8.39  33
9 Gem          06:16:58.7 +23:44:27  6.1  0.44  37
PPM 095754     06:18:54.4 +23:36:12  7.8  0.43  37
PPM 095739     06:18:25.6 +23:34:17  9.6  0.33  37
00WL183        06:17:30.0 +23:18:58 15.7        37
Positions are for J2000

Event circumstances last updated at 2023/11/21 04:21:36 UT

RECON