RECON: TNO occultation with 455502

Event between (455502) 03UZ413 and star GA0980:00409142 with event index number of 2288480

Geocentric closest approach at 2026/11/25 02:27:00 UTC

J2000 position of star is 04:17:09.3 +09:25:59
Equinox of date position of star is 04:18:28.9 +09:29:29
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 17 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=20.8

[RECON map]
Object is 45.3 AU from the Sun and 44.3 AU from the Earth.
Apparent velocity is 26.1 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is 1644 km.
The sky-plane scale is 32122.7 km/arcsec.

The object has an absolute magnitude Hv=4.3
Diameter=812.9 km assuming a 5% albedo -- 31.8 sec chord
Diameter=331.8 km assuming a 30% albedo -- 13.0 sec chord
Dynamical classification is 3:2E

Star training set for 455502, (2026/11/25 02:24UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:28.0 +16:33:41  0.8  8.42  10
Bellatrix      05:26:34.5 +06:22:18  1.6 17.11  24
PPM 147404     04:19:52.8 +09:33:02  6.2  0.31  17
PPM 147381     04:18:26.5 +09:44:30 10.0  0.25  17
455502         04:18:37.4 +09:29:51 16.1        17
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 13.5 km RECON observability=0.1 and success probability=13.7%

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

Kamloops 02:29:01 -22.2 Dark Up 11.5 89.1 Really Low 02:21:46 - 02:36:16 -469

Kelowna 02:29:04 -22.7 Dark Up 12.1 89.6 Really Low 02:21:49 - 02:36:19 -527

Peachland 02:29:04 -22.5 Dark Up 11.9 89.4 Really Low 02:21:49 - 02:36:19 -529

Summerland 02:29:05 -22.6 Dark Up 11.9 89.4 Really Low 02:21:50 - 02:36:20 -539

Penticton 02:29:05 -22.6 Dark Up 12.0 89.5 Really Low 02:21:50 - 02:36:20 -544

Victoria 02:29:09 -20.0 Dark Up 9.5 86.4 Really Low 02:21:54 - 02:36:24 -554

Oliver 02:29:06 -22.6 Dark Up 12.0 89.4 Really Low 02:21:51 - 02:36:21 -565

Anarchist Mountain Observatory 02:29:07 -22.7 Dark Up 12.1 89.5 Really Low 02:21:52 - 02:36:22 -577

Sleaford 02:28:48 -31.2 Dark Up 20.3 101.0 Low 02:21:33 - 02:36:03 -586

Okanogan 02:29:09 -22.5 Dark Up 12.0 89.2 Really Low 02:21:54 - 02:36:24 -613

Brewster 02:29:10 -22.4 Dark Up 11.9 89.0 Really Low 02:21:55 - 02:36:25 -626

Manson/Chelan 02:29:11 -22.1 Dark Up 11.6 88.7 Really Low 02:21:56 - 02:36:26 -634

Wenatchee 02:29:13 -21.9 Dark Up 11.5 88.5 Really Low 02:21:58 - 02:36:28 -661

Ellensburg 02:29:14 -21.7 Dark Up 11.3 88.3 Really Low 02:21:59 - 02:36:29 -683

Yakima 02:29:16 -21.7 Dark Up 11.3 88.2 Really Low 02:22:01 - 02:36:31 -708

Toppenish/White Swan 02:29:16 -21.7 Dark Up 11.4 88.3 Really Low 02:22:01 - 02:36:31 -724

The Dalles 02:29:19 -21.1 Dark Up 10.8 87.5 Really Low 02:22:04 - 02:36:34 -762

PNWRO 02:29:17 -22.7 Dark Up 12.4 89.3 Really Low 02:22:02 - 02:36:32 -768

Maupin 02:29:21 -21.1 Dark Up 10.9 87.5 Really Low 02:22:06 - 02:36:36 -790

Sisters 02:29:23 -20.6 Dark Up 10.5 87.0 Really Low 02:22:08 - 02:36:38 -840

Bend 02:29:25 -20.8 Dark Up 10.7 87.2 Really Low 02:22:10 - 02:36:40 -859

Oregon Observatory 02:29:25 -20.7 Dark Up 10.6 87.1 Really Low 02:22:10 - 02:36:40 -869

Chiloquin 02:29:30 -20.2 Dark Up 10.2 86.5 Really Low 02:22:15 - 02:36:45 -952

Klamath Falls 02:29:31 -20.2 Dark Up 10.3 86.5 Really Low 02:22:16 - 02:36:46 -976

Cedarville 02:29:33 -21.2 Dark Up 11.4 87.5 Really Low 02:22:18 - 02:36:48 -1048

Fall River/Burney 02:29:35 -20.3 Dark Up 10.5 86.6 Really Low 02:22:20 - 02:36:50 -1064

Greenville 02:29:38 -20.4 Dark Up 10.8 86.7 Really Low 02:22:23 - 02:36:53 -1135

Gimple 02:29:38 -20.5 Dark Up 10.9 86.8 Really Low 02:22:23 - 02:36:53 -1137

Quincy 02:29:38 -20.4 Dark Up 10.8 86.7 Really Low 02:22:23 - 02:36:53 -1150

Portola 02:29:39 -20.7 Dark Up 11.2 87.0 Really Low 02:22:24 - 02:36:54 -1166

Reno 02:29:39 -21.2 Dark Up 11.6 87.3 Really Low 02:22:24 - 02:36:54 -1196

Carson City 02:29:40 -21.1 Dark Up 11.6 87.3 Really Low 02:22:25 - 02:36:55 -1222

Gardnerville 02:29:41 -21.1 Dark Up 11.7 87.2 Really Low 02:22:26 - 02:36:56 -1241

Yerington 02:29:41 -21.6 Dark Up 12.1 87.6 Really Low 02:22:26 - 02:36:56 -1247

Hawthorne 02:29:42 -21.9 Dark Up 12.5 87.8 Really Low 02:22:27 - 02:36:57 -1290

Lee Vining 02:29:44 -21.5 Dark Up 12.1 87.4 Really Low 02:22:29 - 02:36:59 -1324

Bishop 02:29:45 -21.9 Dark Up 12.7 87.7 Really Low 02:22:30 - 02:37:00 -1382

Dunrhomin 02:29:27 -32.4 Dark Up 22.8 97.1 Low 02:22:12 - 02:36:42 -1391

Nikitin 02:29:27 -32.4 Dark Up 22.8 97.0 Low 02:22:12 - 02:36:42 -1405

CU-SBO 02:29:27 -32.3 Dark Up 22.8 96.9 Low 02:22:12 - 02:36:42 -1408

Beatty 02:29:46 -23.1 Dark Up 14.0 88.6 Really Low 02:22:31 - 02:37:01 -1445

Patrick 02:29:49 -25.2 Dark Up 16.3 89.9 Really Low 02:22:34 - 02:37:04 -1612

Laughlin/Bullhead City 02:29:50 -24.6 Dark Up 15.7 89.4 Really Low 02:22:35 - 02:37:05 -1620

Wildwood 02:29:56 -21.2 Dark Up 12.4 86.9 Really Low 02:22:41 - 02:37:11 -1636

Lake Havasu City 02:29:52 -24.7 Dark Up 15.9 89.4 Really Low 02:22:37 - 02:37:07 -1678

Idyllwild 02:29:56 -22.7 Dark Up 13.9 87.9 Really Low 02:22:41 - 02:37:11 -1697

Calipatria 02:29:57 -23.5 Dark Up 14.9 88.4 Really Low 02:22:42 - 02:37:12 -1769

George/Scottsdale 02:29:52 -26.6 Dark Up 18.0 90.5 Really Low 02:22:37 - 02:37:07 -1787

Yuma 02:29:57 -24.2 Dark Up 15.7 88.7 Really Low 02:22:42 - 02:37:12 -1821

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 455502, (2026/11/25 02:24UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  8.42  10
Bellatrix      05:25:07.8 +06:20:58  1.6 17.11  24
PPM 147404     04:18:24.6 +09:29:12  6.2  0.31  17
PPM 147381     04:16:58.3 +09:40:37 10.0  0.25  17
455502         04:17:09.3 +09:25:59 16.1        17
Positions are for J2000

Event circumstances last updated at 2024/04/18 03:45:05 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)
Kamloops	02:29:01	-22.2	Dark	Up	11.5	89.1	Really Low	02:21:46 - 02:36:16	-469
Kelowna	02:29:04	-22.7	Dark	Up	12.1	89.6	Really Low	02:21:49 - 02:36:19	-527
Peachland	02:29:04	-22.5	Dark	Up	11.9	89.4	Really Low	02:21:49 - 02:36:19	-529
Summerland	02:29:05	-22.6	Dark	Up	11.9	89.4	Really Low	02:21:50 - 02:36:20	-539
Penticton	02:29:05	-22.6	Dark	Up	12.0	89.5	Really Low	02:21:50 - 02:36:20	-544
Victoria	02:29:09	-20.0	Dark	Up	9.5	86.4	Really Low	02:21:54 - 02:36:24	-554
Oliver	02:29:06	-22.6	Dark	Up	12.0	89.4	Really Low	02:21:51 - 02:36:21	-565
Anarchist Mountain Observatory	02:29:07	-22.7	Dark	Up	12.1	89.5	Really Low	02:21:52 - 02:36:22	-577
Sleaford	02:28:48	-31.2	Dark	Up	20.3	101.0	Low	02:21:33 - 02:36:03	-586
Okanogan	02:29:09	-22.5	Dark	Up	12.0	89.2	Really Low	02:21:54 - 02:36:24	-613
Brewster	02:29:10	-22.4	Dark	Up	11.9	89.0	Really Low	02:21:55 - 02:36:25	-626
Manson/Chelan	02:29:11	-22.1	Dark	Up	11.6	88.7	Really Low	02:21:56 - 02:36:26	-634
Wenatchee	02:29:13	-21.9	Dark	Up	11.5	88.5	Really Low	02:21:58 - 02:36:28	-661
Ellensburg	02:29:14	-21.7	Dark	Up	11.3	88.3	Really Low	02:21:59 - 02:36:29	-683
Yakima	02:29:16	-21.7	Dark	Up	11.3	88.2	Really Low	02:22:01 - 02:36:31	-708
Toppenish/White Swan	02:29:16	-21.7	Dark	Up	11.4	88.3	Really Low	02:22:01 - 02:36:31	-724
The Dalles	02:29:19	-21.1	Dark	Up	10.8	87.5	Really Low	02:22:04 - 02:36:34	-762
PNWRO	02:29:17	-22.7	Dark	Up	12.4	89.3	Really Low	02:22:02 - 02:36:32	-768
Maupin	02:29:21	-21.1	Dark	Up	10.9	87.5	Really Low	02:22:06 - 02:36:36	-790
Sisters	02:29:23	-20.6	Dark	Up	10.5	87.0	Really Low	02:22:08 - 02:36:38	-840
Bend	02:29:25	-20.8	Dark	Up	10.7	87.2	Really Low	02:22:10 - 02:36:40	-859
Oregon Observatory	02:29:25	-20.7	Dark	Up	10.6	87.1	Really Low	02:22:10 - 02:36:40	-869
Chiloquin	02:29:30	-20.2	Dark	Up	10.2	86.5	Really Low	02:22:15 - 02:36:45	-952
Klamath Falls	02:29:31	-20.2	Dark	Up	10.3	86.5	Really Low	02:22:16 - 02:36:46	-976
Cedarville	02:29:33	-21.2	Dark	Up	11.4	87.5	Really Low	02:22:18 - 02:36:48	-1048
Fall River/Burney	02:29:35	-20.3	Dark	Up	10.5	86.6	Really Low	02:22:20 - 02:36:50	-1064
Greenville	02:29:38	-20.4	Dark	Up	10.8	86.7	Really Low	02:22:23 - 02:36:53	-1135
Gimple	02:29:38	-20.5	Dark	Up	10.9	86.8	Really Low	02:22:23 - 02:36:53	-1137
Quincy	02:29:38	-20.4	Dark	Up	10.8	86.7	Really Low	02:22:23 - 02:36:53	-1150
Portola	02:29:39	-20.7	Dark	Up	11.2	87.0	Really Low	02:22:24 - 02:36:54	-1166
Reno	02:29:39	-21.2	Dark	Up	11.6	87.3	Really Low	02:22:24 - 02:36:54	-1196
Carson City	02:29:40	-21.1	Dark	Up	11.6	87.3	Really Low	02:22:25 - 02:36:55	-1222
Gardnerville	02:29:41	-21.1	Dark	Up	11.7	87.2	Really Low	02:22:26 - 02:36:56	-1241
Yerington	02:29:41	-21.6	Dark	Up	12.1	87.6	Really Low	02:22:26 - 02:36:56	-1247
Hawthorne	02:29:42	-21.9	Dark	Up	12.5	87.8	Really Low	02:22:27 - 02:36:57	-1290
Lee Vining	02:29:44	-21.5	Dark	Up	12.1	87.4	Really Low	02:22:29 - 02:36:59	-1324
Bishop	02:29:45	-21.9	Dark	Up	12.7	87.7	Really Low	02:22:30 - 02:37:00	-1382
Dunrhomin	02:29:27	-32.4	Dark	Up	22.8	97.1	Low	02:22:12 - 02:36:42	-1391
Nikitin	02:29:27	-32.4	Dark	Up	22.8	97.0	Low	02:22:12 - 02:36:42	-1405
CU-SBO	02:29:27	-32.3	Dark	Up	22.8	96.9	Low	02:22:12 - 02:36:42	-1408
Beatty	02:29:46	-23.1	Dark	Up	14.0	88.6	Really Low	02:22:31 - 02:37:01	-1445
Patrick	02:29:49	-25.2	Dark	Up	16.3	89.9	Really Low	02:22:34 - 02:37:04	-1612
Laughlin/Bullhead City	02:29:50	-24.6	Dark	Up	15.7	89.4	Really Low	02:22:35 - 02:37:05	-1620
Wildwood	02:29:56	-21.2	Dark	Up	12.4	86.9	Really Low	02:22:41 - 02:37:11	-1636
Lake Havasu City	02:29:52	-24.7	Dark	Up	15.9	89.4	Really Low	02:22:37 - 02:37:07	-1678
Idyllwild	02:29:56	-22.7	Dark	Up	13.9	87.9	Really Low	02:22:41 - 02:37:11	-1697
Calipatria	02:29:57	-23.5	Dark	Up	14.9	88.4	Really Low	02:22:42 - 02:37:12	-1769
George/Scottsdale	02:29:52	-26.6	Dark	Up	18.0	90.5	Really Low	02:22:37 - 02:37:07	-1787
Yuma	02:29:57	-24.2	Dark	Up	15.7	88.7	Really Low	02:22:42 - 02:37:12	-1821