RECON: TNO occultation with 468861

Event between (468861) 13LU28 and star GA1260:03129796 with event index number of 2655296

Geocentric closest approach at 2024/12/29 11:17:28 UTC

J2000 position of star is 07:23:22.9 +37:33:12
Equinox of date position of star is 07:25:01.5 +37:30:16
Stellar brightness G=12.5, use SENSEUP=16 with the MallinCam and and exposure time of 250 milli-seconds with the QHY174 camera.
Star is 152 degrees from the moon. Moon is 3% illuminated.
Apparent brightness V=17.7

[RECON map]
Object is 8.8 AU from the Sun and 7.9 AU from the Earth.
Apparent velocity is 39.6 km/sec on the sky relative to the star, or, 25.0 arcsec/hr.
The 1-sigma error in the time of the event is 8 seconds.
The 1-sigma cross-track error in the shadow position is 389 km.
The sky-plane scale is 5707.6 km/arcsec.

The object has an absolute magnitude Hv=8.3
Diameter=128.2 km assuming a 5% albedo -- 3.4 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 468861, (2024/12/29 11:17UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.7 +27:57:50  1.1 10.58 148
65 Aur         07:23:42.6 +36:42:40  5.1  0.84 153
PPM 072702     07:23:11.9 +37:36:48  7.7  0.39 152
PPM 072749     07:25:27.0 +37:21:38 11.9  0.16 152
468861         07:25:03.7 +37:30:12 12.5       152
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 24.5 km RECON observability=1.0 and success probability=11.2%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	11:16:06	-34.8	Dark	Down	52.2	268.0	Up	11:14:56 - 11:17:15	2675
Kamloops	11:16:23	-43.9	Dark	Down	61.2	257.0	Up	11:15:14 - 11:17:33	2198
Kelowna	11:16:21	-43.6	Dark	Down	60.8	259.4	Up	11:15:12 - 11:17:31	2132
Peachland	11:16:21	-43.8	Dark	Down	61.0	259.3	Up	11:15:12 - 11:17:31	2115
Summerland	11:16:21	-43.8	Dark	Down	61.0	259.6	Up	11:15:12 - 11:17:31	2101
Penticton	11:16:21	-43.7	Dark	Down	60.9	259.9	Up	11:15:11 - 11:17:30	2096
Oliver	11:16:21	-43.8	Dark	Down	61.0	260.5	Up	11:15:11 - 11:17:30	2060
Anarchist Mountain Observatory	11:16:20	-43.7	Dark	Down	60.9	261.0	Up	11:15:11 - 11:17:30	2046
Okanogan	11:16:20	-44.1	Dark	Down	61.1	261.9	Up	11:15:10 - 11:17:29	1975
Brewster	11:16:20	-44.3	Dark	Down	61.3	262.2	Up	11:15:10 - 11:17:29	1942
Victoria	11:16:26	-46.4	Dark	Down	63.6	257.9	Up	11:15:17 - 11:17:36	1918
Manson/Chelan	11:16:20	-44.6	Dark	Down	61.6	262.3	Up	11:15:11 - 11:17:30	1913
Wenatchee	11:16:20	-44.8	Dark	Down	61.8	263.0	Up	11:15:11 - 11:17:30	1860
Ellensburg	11:16:20	-45.0	Dark	Down	62.0	263.6	Up	11:15:11 - 11:17:30	1812
Yakima	11:16:20	-45.2	Dark	Down	62.0	264.3	Up	11:15:10 - 11:17:29	1769
Toppenish/White Swan	11:16:19	-45.1	Dark	Down	61.9	264.8	Up	11:15:10 - 11:17:29	1750
PNWRO	11:16:16	-44.2	Dark	Down	60.9	266.7	Up	11:15:07 - 11:17:26	1743
The Dalles	11:16:20	-45.8	Dark	Down	62.5	265.7	Up	11:15:10 - 11:17:29	1652
Maupin	11:16:19	-45.8	Dark	Down	62.5	266.5	Up	11:15:10 - 11:17:29	1610
Dunrhomin	11:15:49	-34.8	Dark	Down	50.5	283.2	Up	11:14:40 - 11:16:59	1539
Nikitin	11:15:49	-34.8	Dark	Down	50.5	283.4	Up	11:14:39 - 11:16:58	1520
CU-SBO	11:15:49	-34.8	Dark	Down	50.5	283.5	Up	11:14:39 - 11:16:58	1510
Sisters	11:16:19	-46.4	Dark	Down	62.9	267.9	Up	11:15:10 - 11:17:29	1507
Bend	11:16:19	-46.3	Dark	Down	62.7	268.5	Up	11:15:09 - 11:17:28	1487
Oregon Observatory	11:16:19	-46.4	Dark	Down	62.8	268.8	Up	11:15:09 - 11:17:28	1466
Chiloquin	11:16:19	-47.0	Dark	Down	63.1	271.1	Up	11:15:09 - 11:17:28	1317
Klamath Falls	11:16:18	-47.0	Dark	Down	63.0	271.8	Up	11:15:09 - 11:17:28	1282
Cedarville	11:16:15	-45.9	Dark	Down	61.8	274.1	Up	11:15:05 - 11:17:24	1243
Fall River/Burney	11:16:17	-46.9	Dark	Down	62.7	274.3	Up	11:15:07 - 11:17:26	1164
Gimple	11:16:15	-46.7	Dark	Down	62.2	276.3	Up	11:15:05 - 11:17:24	1079
Greenville	11:16:15	-46.7	Dark	Down	62.3	276.3	Up	11:15:06 - 11:17:25	1077
Quincy	11:16:15	-46.7	Dark	Down	62.3	276.7	Up	11:15:05 - 11:17:24	1056
Portola	11:16:14	-46.4	Dark	Down	61.9	277.1	Up	11:15:04 - 11:17:23	1053
Reno	11:16:13	-45.9	Dark	Down	61.4	277.9	Up	11:15:03 - 11:17:22	1040
Carson City	11:16:12	-46.0	Dark	Down	61.3	278.5	Up	11:15:03 - 11:17:22	1002
Yerington	11:16:11	-45.5	Dark	Down	60.8	279.2	Up	11:15:01 - 11:17:20	997
Gardnerville	11:16:12	-46.0	Dark	Down	61.2	279.0	Up	11:15:02 - 11:17:21	977
Hawthorne	11:16:10	-45.1	Dark	Down	60.3	280.2	Up	11:15:00 - 11:17:19	960
Lee Vining	11:16:10	-45.6	Dark	Down	60.6	281.0	Up	11:15:01 - 11:17:20	888
Bishop	11:16:08	-45.1	Dark	Down	59.9	282.2	Up	11:14:59 - 11:17:18	843
Beatty	11:16:05	-43.8	Dark	Down	58.5	283.5	Up	11:14:55 - 11:17:14	837
Patrick	11:15:59	-41.5	Dark	Down	55.9	286.5	Up	11:14:49 - 11:17:08	762
Laughlin/Bullhead City	11:16:00	-42.1	Dark	Down	56.4	286.7	Up	11:14:50 - 11:17:09	715
Lake Havasu City	11:15:59	-41.8	Dark	Down	56.0	287.7	Up	11:14:49 - 11:17:08	652
George/Scottsdale	11:15:54	-39.8	Dark	Down	53.8	289.2	Up	11:14:44 - 11:17:03	647
Idyllwild	11:16:03	-43.8	Dark	Down	57.6	288.4	Up	11:14:53 - 11:17:12	503
Wildwood	11:16:06	-45.3	Dark	Down	59.2	287.6	Up	11:14:57 - 11:17:16	490
Calipatria	11:16:00	-42.8	Dark	Down	56.5	289.4	Up	11:14:50 - 11:17:09	473
Yuma	11:15:58	-42.0	Dark	Down	55.7	290.1	Up	11:14:48 - 11:17:07	454

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 468861, (2024/12/29 11:17UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 10.58 148
65 Aur         07:22:02.4 +36:45:38  5.1  0.84 153
PPM 072702     07:21:30.9 +37:39:44  7.7  0.39 152
PPM 072749     07:23:46.3 +37:24:39 11.9  0.16 152
468861         07:23:22.9 +37:33:12 12.5       152
Positions are for J2000

Event circumstances last updated at 2024/06/12 03:41:35 UT

RECON