RECON: TNO occultation with 469362

Event between (469362) 01KB77 and star GA0800:10250358 with event index number of 1429065

Geocentric closest approach at 2025/06/23 10:50:10 UTC

J2000 position of star is 18:28:33.2 -08:23:29
Equinox of date position of star is 18:29:53.2 -08:22:26
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 142 degrees from the moon. Moon is 6% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 28.4 AU from the Sun and 27.4 AU from the Earth.
Apparent velocity is 23.0 km/sec on the sky relative to the star, or, 4.2 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is 1707 km.
The sky-plane scale is 19873.7 km/arcsec.

The object has an absolute magnitude Hv=7.7
Diameter=199.5 km assuming a 5% albedo -- 7.5 sec chord
Diameter=81.5 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 469362, (2025/06/23 10:50UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:58.4 -26:29:11  0.9 33.51 175
60Bet Oph      17:44:43.9 +04:33:30  2.8 17.15 142
Zet Sct        18:25:03.3 -08:55:09  4.2  1.33 144
PPM 201765     18:28:32.0 -08:01:23  6.6  0.49 142
PPM 201790     18:30:20.2 -08:13:25  9.7  0.18 142
469362         18:29:56.6 -08:22:24 16.7       142
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 3.4 sigma about the mid-time.
The median site spacing is 36.7 km RECON observability=0.4 and success probability=0.1%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	10:48:05	-0.3	Sun up	Up	15.6	232.8	Really Low	10:33:05 - 11:03:05	7138
Kamloops	10:48:34	-7.5	NT	Up	23.0	219.7	Low	10:33:34 - 11:03:34	7136
Kelowna	10:48:29	-7.8	NT	Up	23.3	220.8	Low	10:33:29 - 11:03:29	7084
Peachland	10:48:29	-8.0	NT	Up	23.5	220.6	Low	10:33:29 - 11:03:29	7079
Summerland	10:48:29	-8.1	NT	Up	23.6	220.7	Low	10:33:29 - 11:03:29	7069
Penticton	10:48:29	-8.1	NT	Up	23.6	220.8	Low	10:33:29 - 11:03:29	7065
Oliver	10:48:28	-8.3	NT	Up	23.8	220.9	Low	10:33:28 - 11:03:28	7044
Anarchist Mountain Observatory	10:48:27	-8.4	NT	Up	23.9	221.2	Low	10:33:27 - 11:03:27	7033
Victoria	10:48:36	-10.4	NT	Up	25.9	217.3	Low	10:33:36 - 11:03:36	7020
Okanogan	10:48:26	-9.0	NT	Up	24.5	221.1	Low	10:33:26 - 11:03:26	6994
Brewster	10:48:26	-9.3	NT	Up	24.8	221.0	Low	10:33:26 - 11:03:26	6978
Manson/Chelan	10:48:26	-9.6	NT	Up	25.1	220.7	Low	10:33:26 - 11:03:26	6966
Wenatchee	10:48:26	-10.1	NT	Up	25.5	220.7	Low	10:33:26 - 11:03:26	6937
Ellensburg	10:48:25	-10.5	NT	Up	25.9	220.6	Low	10:33:25 - 11:03:25	6912
Yakima	10:48:25	-10.8	NT	Up	26.2	220.7	Low	10:33:25 - 11:03:25	6886
Toppenish/White Swan	10:48:24	-10.9	NT	Up	26.3	221.0	Low	10:33:24 - 11:03:24	6871
PNWRO	10:48:20	-10.6	NT	Up	25.9	222.5	Low	10:33:20 - 11:03:20	6839
The Dalles	10:48:25	-11.9	NT	Up	27.3	220.4	Low	10:33:25 - 11:03:25	6824
Maupin	10:48:23	-12.1	AT	Up	27.6	220.7	Low	10:33:23 - 11:03:23	6795
Sisters	10:48:23	-13.1	AT	Up	28.5	220.5	Low	10:33:23 - 11:03:23	6739
Bend	10:48:22	-13.1	AT	Up	28.5	220.8	Low	10:33:22 - 11:03:22	6721
Oregon Observatory	10:48:22	-13.3	AT	Up	28.7	220.8	Low	10:33:22 - 11:03:22	6710
Chiloquin	10:48:20	-14.6	AT	Up	29.9	220.8	Low	10:33:20 - 11:03:20	6620
Klamath Falls	10:48:19	-14.8	AT	Up	30.1	221.0	Up	10:33:19 - 11:03:19	6596
Cedarville	10:48:14	-14.6	AT	Up	29.9	222.9	Low	10:33:14 - 11:03:14	6538
Fall River/Burney	10:48:17	-15.6	AT	Up	30.8	221.9	Up	10:33:17 - 11:03:17	6509
Greenville	10:48:13	-16.1	AT	Up	31.3	222.6	Up	10:33:13 - 11:03:13	6440
Gimple	10:48:13	-16.0	AT	Up	31.2	222.7	Up	10:33:13 - 11:03:13	6439
Quincy	10:48:13	-16.2	AT	Up	31.4	222.7	Up	10:33:13 - 11:03:13	6424
Portola	10:48:11	-16.1	AT	Up	31.3	223.2	Up	10:33:11 - 11:03:11	6413
Reno	10:48:09	-16.0	AT	Up	31.1	224.0	Up	10:33:09 - 11:03:09	6389
Carson City	10:48:08	-16.3	AT	Up	31.4	224.2	Up	10:33:08 - 11:03:08	6362
Yerington	10:48:05	-16.1	AT	Up	31.2	224.8	Up	10:33:05 - 11:03:05	6344
Gardnerville	10:48:07	-16.4	AT	Up	31.5	224.3	Up	10:33:07 - 11:03:07	6343
Dunrhomin	10:47:31	-7.7	NT	Up	22.1	236.6	Low	10:32:31 - 11:02:31	6342
Nikitin	10:47:31	-7.8	NT	Up	22.2	236.7	Low	10:32:31 - 11:02:31	6328
CU-SBO	10:47:31	-7.9	NT	Up	22.3	236.6	Low	10:32:31 - 11:02:31	6324
Hawthorne	10:48:03	-16.2	AT	Up	31.2	225.5	Up	10:33:03 - 11:03:03	6305
Lee Vining	10:48:04	-16.9	AT	Up	31.9	225.3	Up	10:33:04 - 11:03:04	6265
Bishop	10:48:00	-17.0	AT	Up	31.9	226.3	Up	10:33:00 - 11:03:00	6213
Beatty	10:47:54	-16.5	AT	Up	31.3	228.0	Up	10:32:54 - 11:02:54	6167
Patrick	10:47:43	-16.0	AT	Up	30.5	231.2	Up	10:32:43 - 11:02:43	6028
Laughlin/Bullhead City	10:47:45	-16.5	AT	Up	31.1	230.7	Up	10:32:45 - 11:02:45	6012
Lake Havasu City	10:47:42	-16.9	AT	Up	31.3	231.3	Up	10:32:42 - 11:02:42	5955
Wildwood	10:47:55	-19.6	Dark	Up	34.3	227.6	Up	10:32:55 - 11:02:55	5951
Idyllwild	10:47:49	-18.8	Dark	Up	33.3	229.5	Up	10:32:49 - 11:02:49	5910
George/Scottsdale	10:47:34	-16.0	AT	Up	30.2	233.7	Up	10:32:34 - 11:02:34	5873
Calipatria	10:47:44	-18.6	Dark	Up	33.0	230.9	Up	10:32:44 - 11:02:44	5850
Yuma	10:47:41	-18.3	Dark	Up	32.7	231.9	Up	10:32:41 - 11:02:41	5807

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, (2025/06/23 10:50UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 33.51 175
60Bet Oph      17:43:28.3 +04:34:06  2.8 17.15 142
Zet Sct        18:23:39.7 -08:56:03  4.2  1.33 144
PPM 201765     18:27:08.9 -08:02:25  6.6  0.49 142
PPM 201790     18:28:56.9 -08:14:31  9.7  0.18 142
469362         18:28:33.2 -08:23:29 16.7       142
Positions are for J2000

Event circumstances last updated at 2024/06/13 03:56:29 UT

RECON