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 11:17:33 UTC

J2000 position of star is 07:23:22.9 +37:33:12
Equinox of date position of star is 07:24:57.5 +37:30:23
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 10 seconds.
The 1-sigma cross-track error in the shadow position is 734 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 -- 3.3 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.3 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 24.6 km RECON observability=1.0 and success probability=29.3%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	11:16:10	-34.8	Dark	Down	52.1	268.0	Up	11:14:53 - 11:17:28	2736
Kamloops	11:16:28	-43.9	Dark	Down	61.2	257.1	Up	11:15:11 - 11:17:46	2259
Kelowna	11:16:26	-43.6	Dark	Down	60.8	259.4	Up	11:15:08 - 11:17:43	2193
Peachland	11:16:26	-43.8	Dark	Down	61.0	259.3	Up	11:15:09 - 11:17:44	2176
Summerland	11:16:26	-43.8	Dark	Down	61.0	259.6	Up	11:15:08 - 11:17:43	2162
Penticton	11:16:26	-43.7	Dark	Down	60.9	259.9	Up	11:15:08 - 11:17:43	2158
Oliver	11:16:25	-43.8	Dark	Down	61.0	260.5	Up	11:15:08 - 11:17:43	2121
Anarchist Mountain Observatory	11:16:25	-43.7	Dark	Down	60.9	261.0	Up	11:15:07 - 11:17:42	2107
Okanogan	11:16:25	-44.0	Dark	Down	61.1	261.9	Up	11:15:07 - 11:17:42	2036
Brewster	11:16:25	-44.2	Dark	Down	61.3	262.2	Up	11:15:07 - 11:17:42	2003
Victoria	11:16:31	-46.4	Dark	Down	63.6	257.9	Up	11:15:13 - 11:17:48	1979
Manson/Chelan	11:16:25	-44.5	Dark	Down	61.6	262.3	Up	11:15:08 - 11:17:43	1974
Wenatchee	11:16:25	-44.8	Dark	Down	61.8	263.0	Up	11:15:07 - 11:17:42	1921
Ellensburg	11:16:25	-45.0	Dark	Down	61.9	263.6	Up	11:15:07 - 11:17:42	1873
Yakima	11:16:25	-45.1	Dark	Down	62.0	264.3	Up	11:15:07 - 11:17:42	1830
Toppenish/White Swan	11:16:24	-45.1	Dark	Down	61.9	264.9	Up	11:15:07 - 11:17:42	1811
PNWRO	11:16:21	-44.2	Dark	Down	60.9	266.8	Up	11:15:04 - 11:17:39	1805
The Dalles	11:16:25	-45.8	Dark	Down	62.5	265.7	Up	11:15:07 - 11:17:42	1713
Maupin	11:16:24	-45.8	Dark	Down	62.5	266.6	Up	11:15:07 - 11:17:42	1671
Dunrhomin	11:15:54	-34.8	Dark	Down	50.5	283.2	Up	11:14:37 - 11:17:12	1600
Nikitin	11:15:54	-34.8	Dark	Down	50.5	283.4	Up	11:14:36 - 11:17:11	1581
CU-SBO	11:15:54	-34.8	Dark	Down	50.5	283.5	Up	11:14:36 - 11:17:11	1572
Sisters	11:16:24	-46.4	Dark	Down	62.9	267.9	Up	11:15:07 - 11:17:42	1568
Bend	11:16:24	-46.3	Dark	Down	62.7	268.5	Up	11:15:06 - 11:17:41	1548
Oregon Observatory	11:16:24	-46.4	Dark	Down	62.8	268.8	Up	11:15:06 - 11:17:41	1527
Chiloquin	11:16:23	-47.0	Dark	Down	63.1	271.1	Up	11:15:06 - 11:17:41	1378
Klamath Falls	11:16:23	-47.0	Dark	Down	63.0	271.8	Up	11:15:05 - 11:17:40	1343
Cedarville	11:16:19	-45.9	Dark	Down	61.8	274.1	Up	11:15:02 - 11:17:37	1304
Fall River/Burney	11:16:21	-46.9	Dark	Down	62.7	274.3	Up	11:15:04 - 11:17:39	1225
Gimple	11:16:20	-46.6	Dark	Down	62.2	276.3	Up	11:15:02 - 11:17:37	1140
Greenville	11:16:20	-46.7	Dark	Down	62.3	276.3	Up	11:15:02 - 11:17:37	1139
Quincy	11:16:20	-46.7	Dark	Down	62.2	276.7	Up	11:15:02 - 11:17:37	1117
Portola	11:16:19	-46.4	Dark	Down	61.9	277.1	Up	11:15:01 - 11:17:36	1114
Reno	11:16:17	-45.9	Dark	Down	61.3	277.9	Up	11:15:00 - 11:17:35	1101
Carson City	11:16:17	-46.0	Dark	Down	61.3	278.6	Up	11:14:59 - 11:17:34	1064
Yerington	11:16:16	-45.5	Dark	Down	60.8	279.2	Up	11:14:58 - 11:17:33	1058
Gardnerville	11:16:17	-45.9	Dark	Down	61.2	279.0	Up	11:14:59 - 11:17:34	1039
Hawthorne	11:16:14	-45.1	Dark	Down	60.3	280.2	Up	11:14:57 - 11:17:32	1022
Lee Vining	11:16:15	-45.6	Dark	Down	60.6	281.0	Up	11:14:57 - 11:17:32	949
Bishop	11:16:13	-45.0	Dark	Down	59.9	282.2	Up	11:14:56 - 11:17:31	904
Beatty	11:16:10	-43.8	Dark	Down	58.5	283.5	Up	11:14:52 - 11:17:27	898
Patrick	11:16:03	-41.5	Dark	Down	55.9	286.5	Up	11:14:46 - 11:17:21	823
Laughlin/Bullhead City	11:16:04	-42.0	Dark	Down	56.4	286.7	Up	11:14:47 - 11:17:22	777
Lake Havasu City	11:16:03	-41.8	Dark	Down	56.0	287.7	Up	11:14:46 - 11:17:21	713
George/Scottsdale	11:15:58	-39.8	Dark	Down	53.8	289.2	Up	11:14:41 - 11:17:16	708
Idyllwild	11:16:07	-43.8	Dark	Down	57.6	288.4	Up	11:14:50 - 11:17:25	564
Wildwood	11:16:11	-45.3	Dark	Down	59.2	287.6	Up	11:14:54 - 11:17:29	551
Calipatria	11:16:05	-42.8	Dark	Down	56.5	289.4	Up	11:14:47 - 11:17:22	534
Yuma	11:16:03	-42.0	Dark	Down	55.6	290.1	Up	11:14:45 - 11:17:20	515

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 2023/06/19 03:46:43 UT

RECON