RECON: TNO occultation with 469362

Event between (469362) 01KB77 and star GA0820:18062625 with event index number of 1888606

Geocentric closest approach at 2028/05/17 10:06:33 UTC

J2000 position of star is 19:04:32.5 -06:33:41
Equinox of date position of star is 19:05:51.4 -06:31:24
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 52 degrees from the moon. Moon is 41% illuminated.
Apparent brightness V=22.4

[RECON map]
Object is 28.5 AU from the Sun and 27.8 AU from the Earth.
Apparent velocity is 14.3 km/sec on the sky relative to the star, or, 2.5 arcsec/hr.
The 1-sigma error in the time of the event is 661 seconds.
The 1-sigma cross-track error in the shadow position is 4353 km.
The sky-plane scale is 20193.0 km/arcsec.

The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 12.1 sec chord
Diameter=81.5 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469362, (2028/05/17 10:07UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:09.1 -26:29:33  0.9 41.90  88
Nunki          18:57:01.4 -26:15:31  2.0 19.86  56
12 Aql         19:03:11.7 -05:41:49  3.9  1.09  52
PPM 202443     19:03:20.7 -06:20:13  8.4  0.70  52
PPM 202519     19:06:58.0 -06:45:10  9.7  0.33  51
469362         19:06:03.9 -06:31:01 15.4        51
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 14.7 km RECON observability=0.9 and success probability=5.4%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	10:09:19	-7.4	NT	Up	31.2	175.2	Up	09:54:19 - 10:24:19	6035
Kamloops	10:10:20	-14.0	AT	Up	30.6	158.8	Up	09:55:20 - 10:25:20	5549
Kelowna	10:10:16	-14.4	AT	Up	31.6	159.6	Up	09:55:16 - 10:25:16	5520
Peachland	10:10:17	-14.6	AT	Up	31.6	159.2	Up	09:55:17 - 10:25:17	5504
Summerland	10:10:16	-14.7	AT	Up	31.8	159.3	Up	09:55:16 - 10:25:16	5497
Penticton	10:10:17	-14.7	AT	Up	31.9	159.4	Up	09:55:17 - 10:25:17	5496
Oliver	10:10:17	-15.0	AT	Up	32.2	159.3	Up	09:55:17 - 10:25:17	5471
Anarchist Mountain Observatory	10:10:15	-15.1	AT	Up	32.4	159.5	Up	09:55:15 - 10:25:15	5466
Okanogan	10:10:17	-15.7	AT	Up	33.0	159.1	Up	09:55:17 - 10:25:17	5415
Brewster	10:10:17	-16.0	AT	Up	33.2	158.8	Up	09:55:17 - 10:25:17	5390
Manson/Chelan	10:10:18	-16.3	AT	Up	33.3	158.4	Up	09:55:18 - 10:25:18	5364
Wenatchee	10:10:19	-16.8	AT	Up	33.7	158.1	Up	09:55:19 - 10:25:19	5326
Victoria	10:10:33	-16.9	AT	Up	31.8	154.9	Up	09:55:33 - 10:25:33	5313
Dunrhomin	10:08:58	-15.4	AT	Up	43.1	175.3	Up	09:53:58 - 10:23:58	5297
Ellensburg	10:10:21	-17.2	AT	Up	34.0	157.7	Up	09:55:21 - 10:25:21	5290
Nikitin	10:08:56	-15.6	AT	Up	43.3	175.3	Up	09:53:56 - 10:23:56	5284
CU-SBO	10:08:57	-15.7	AT	Up	43.3	175.2	Up	09:53:57 - 10:23:57	5276
PNWRO	10:10:12	-17.4	AT	Up	35.3	159.3	Up	09:55:12 - 10:25:12	5269
Yakima	10:10:20	-17.5	AT	Up	34.4	157.6	Up	09:55:20 - 10:25:20	5260
Toppenish/White Swan	10:10:20	-17.7	AT	Up	34.6	157.7	Up	09:55:20 - 10:25:20	5249
The Dalles	10:10:23	-18.6	Dark	Up	35.1	156.6	Up	09:55:23 - 10:25:23	5168
Maupin	10:10:22	-18.9	Dark	Up	35.5	156.6	Up	09:55:22 - 10:25:22	5141
Sisters	10:10:24	-19.9	Dark	Up	36.2	155.8	Up	09:55:24 - 10:25:24	5059
Bend	10:10:21	-20.0	Dark	Up	36.5	156.0	Up	09:55:21 - 10:25:21	5050
Oregon Observatory	10:10:24	-20.2	Dark	Up	36.6	155.8	Up	09:55:24 - 10:25:24	5033
Chiloquin	10:10:26	-21.4	Dark	Up	37.7	154.9	Up	09:55:26 - 10:25:26	4918
Klamath Falls	10:10:25	-21.7	Dark	Up	38.0	154.9	Up	09:55:25 - 10:25:25	4894
Cedarville	10:10:16	-21.6	Dark	Up	39.1	156.5	Up	09:55:16 - 10:25:16	4893
Fall River/Burney	10:10:23	-22.5	Dark	Up	39.2	154.9	Up	09:55:23 - 10:25:23	4814
Gimple	10:10:20	-23.1	Dark	Up	40.2	155.2	Up	09:55:20 - 10:25:20	4760
Greenville	10:10:17	-23.1	Dark	Up	40.2	155.1	Up	09:55:17 - 10:25:17	4757
Reno	10:10:13	-23.1	Dark	Up	41.1	156.3	Up	09:55:13 - 10:25:13	4748
Portola	10:10:15	-23.2	Dark	Up	40.6	155.6	Up	09:55:15 - 10:25:15	4747
Quincy	10:10:20	-23.3	Dark	Up	40.4	155.1	Up	09:55:20 - 10:25:20	4741
Yerington	10:10:09	-23.3	Dark	Up	41.8	156.9	Up	09:55:09 - 10:25:09	4726
Carson City	10:10:13	-23.4	Dark	Up	41.4	156.2	Up	09:55:13 - 10:25:13	4720
Hawthorne	10:10:06	-23.4	Dark	Up	42.3	157.4	Up	09:55:06 - 10:25:06	4707
Gardnerville	10:10:14	-23.6	Dark	Up	41.6	156.2	Up	09:55:14 - 10:25:14	4702
Lee Vining	10:10:10	-24.1	Dark	Up	42.7	156.6	Up	09:55:10 - 10:25:10	4645
Beatty	10:09:56	-23.9	Dark	Up	44.4	159.2	Up	09:54:56 - 10:24:56	4641
Patrick	10:09:39	-23.6	Dark	Up	46.5	162.6	Up	09:54:39 - 10:24:39	4623
Bishop	10:10:05	-24.3	Dark	Up	43.5	157.3	Up	09:55:05 - 10:25:05	4621
Laughlin/Bullhead City	10:09:40	-24.1	Dark	Up	46.6	161.5	Up	09:54:40 - 10:24:40	4577
George/Scottsdale	10:09:24	-23.8	Dark	Up	48.6	164.9	Up	09:54:24 - 10:24:24	4557
Lake Havasu City	10:09:39	-24.5	Dark	Up	47.3	161.7	Up	09:54:39 - 10:24:39	4531
Idyllwild	10:09:52	-26.3	Dark	Up	47.4	158.1	Up	09:54:52 - 10:24:52	4380
Calipatria	10:09:44	-26.2	Dark	Up	48.3	159.5	Up	09:54:44 - 10:24:44	4371
Yuma	10:09:38	-26.0	Dark	Up	48.9	160.6	Up	09:54:38 - 10:24:38	4368
Wildwood	10:10:02	-27.0	Dark	Up	46.4	155.7	Up	09:55:02 - 10:25:02	4341

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 469362, (2028/05/17 10:07UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 41.90  88
Nunki          18:55:15.9 -26:17:49  2.0 19.86  56
12 Aql         19:01:40.8 -05:44:22  3.9  1.09  52
PPM 202443     19:01:49.4 -06:22:46  8.4  0.70  52
PPM 202519     19:05:26.4 -06:47:52  9.7  0.33  51
469362         19:04:32.5 -06:33:41 15.4        52
Positions are for J2000

Event circumstances last updated at 2024/06/24 21:29:11 UT

RECON