RECON: TNO occultation with 24835

Event between (24835) 95SM55 and star GA1300:01309070 with event index number of 1389269

Geocentric closest approach at 2024/12/06 11:15:51 UTC

J2000 position of star is 03:51:41.3 +40:37:41
Equinox of date position of star is 03:53:18.6 +40:41:56
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 108 degrees from the moon. Moon is 27% illuminated.
Apparent brightness V=20.4

[RECON map]
Object is 37.7 AU from the Sun and 36.8 AU from the Earth.
Apparent velocity is 24.9 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 90 seconds.
The 1-sigma cross-track error in the shadow position is 1878 km.
The sky-plane scale is 26711.9 km/arcsec.

The object has an absolute magnitude Hv=4.6
Diameter=704.7 km assuming a 5% albedo -- 28.5 sec chord
Diameter=287.7 km assuming a 30% albedo -- 11.6 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 24835, (2024/12/06 11:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.2 +16:33:27  0.8 25.95 112
Algol          03:09:48.1 +41:03:00  2.1  8.24 100
41Nu Per       03:46:53.8 +42:39:18  3.8  2.30 107
PPM 046588     03:53:45.8 +40:52:14  7.3  0.18 108
24835          03:53:22.3 +40:42:05 16.6       108
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 20.7 km RECON observability=1.0 and success probability=0.0%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	11:12:47	-33.2	Dark	Down	36.4	291.7	Up	11:04:46 - 11:20:47	8704
Kamloops	11:13:02	-42.3	Dark	Down	44.6	283.9	Up	11:05:01 - 11:21:02	8046
Kelowna	11:12:58	-41.9	Dark	Down	43.8	285.2	Up	11:04:57 - 11:20:58	8002
Peachland	11:12:59	-42.1	Dark	Down	44.0	285.1	Up	11:04:58 - 11:20:59	7981
Summerland	11:12:58	-42.1	Dark	Down	43.9	285.3	Up	11:04:57 - 11:20:58	7970
Penticton	11:12:57	-42.1	Dark	Down	43.8	285.4	Up	11:04:57 - 11:20:58	7968
Oliver	11:12:57	-42.2	Dark	Down	43.7	285.8	Up	11:04:57 - 11:20:58	7935
Anarchist Mountain Observatory	11:12:56	-42.1	Dark	Down	43.5	286.0	Up	11:04:56 - 11:20:57	7926
Okanogan	11:12:54	-42.4	Dark	Down	43.5	286.5	Up	11:04:54 - 11:20:55	7858
Brewster	11:12:54	-42.6	Dark	Down	43.5	286.6	Up	11:04:53 - 11:20:54	7825
Manson/Chelan	11:12:55	-42.9	Dark	Down	43.7	286.6	Up	11:04:54 - 11:20:55	7792
Dunrhomin	11:12:18	-33.0	Dark	Down	30.9	299.2	Up	11:04:17 - 11:20:18	7744
Wenatchee	11:12:55	-43.1	Dark	Down	43.7	286.9	Up	11:04:54 - 11:20:55	7741
Victoria	11:13:02	-44.8	Dark	Down	46.0	284.2	Up	11:05:01 - 11:21:02	7740
Nikitin	11:12:17	-33.0	Dark	Down	30.9	299.2	Up	11:04:16 - 11:20:17	7727
CU-SBO	11:12:16	-33.1	Dark	Down	30.9	299.2	Up	11:04:16 - 11:20:17	7717
Ellensburg	11:12:54	-43.4	Dark	Down	43.7	287.2	Up	11:04:53 - 11:20:54	7694
PNWRO	11:12:49	-42.5	Dark	Down	42.3	288.9	Up	11:04:48 - 11:20:49	7662
Yakima	11:12:53	-43.5	Dark	Down	43.6	287.6	Up	11:04:53 - 11:20:54	7655
Toppenish/White Swan	11:12:52	-43.4	Dark	Down	43.4	287.8	Up	11:04:51 - 11:20:52	7641
The Dalles	11:12:52	-44.1	Dark	Down	43.7	288.1	Up	11:04:51 - 11:20:52	7537
Maupin	11:12:50	-44.1	Dark	Down	43.5	288.6	Up	11:04:50 - 11:20:51	7501
Sisters	11:12:50	-44.7	Dark	Down	43.6	289.1	Up	11:04:49 - 11:20:50	7398
Bend	11:12:49	-44.6	Dark	Down	43.3	289.5	Up	11:04:48 - 11:20:49	7385
Oregon Observatory	11:12:50	-44.7	Dark	Down	43.3	289.6	Up	11:04:49 - 11:20:50	7363
Chiloquin	11:12:47	-45.2	Dark	Down	43.2	290.5	Up	11:04:47 - 11:20:48	7220
Klamath Falls	11:12:47	-45.2	Dark	Down	43.0	290.9	Up	11:04:46 - 11:20:47	7189
Cedarville	11:12:43	-44.2	Dark	Down	41.6	292.1	Up	11:04:42 - 11:20:43	7185
Fall River/Burney	11:12:43	-45.2	Dark	Down	42.3	292.0	Up	11:04:43 - 11:20:44	7090
Gimple	11:12:41	-44.9	Dark	Down	41.6	293.0	Up	11:04:40 - 11:20:41	7022
Greenville	11:12:41	-45.0	Dark	Down	41.7	292.9	Up	11:04:41 - 11:20:42	7019
Reno	11:12:38	-44.2	Dark	Down	40.6	293.8	Up	11:04:38 - 11:20:39	7008
Portola	11:12:39	-44.6	Dark	Down	41.2	293.4	Up	11:04:39 - 11:20:40	7007
Quincy	11:12:41	-45.0	Dark	Down	41.6	293.1	Up	11:04:40 - 11:20:41	7000
Yerington	11:12:35	-43.7	Dark	Down	40.0	294.5	Up	11:04:34 - 11:20:35	6982
Carson City	11:12:37	-44.2	Dark	Down	40.5	294.1	Up	11:04:37 - 11:20:38	6974
Hawthorne	11:12:33	-43.4	Dark	Down	39.4	295.0	Up	11:04:33 - 11:20:34	6959
Gardnerville	11:12:36	-44.2	Dark	Down	40.3	294.3	Up	11:04:35 - 11:20:36	6952
Beatty	11:12:29	-42.0	Dark	Down	37.4	296.8	Up	11:04:28 - 11:20:29	6886
Lee Vining	11:12:34	-43.8	Dark	Down	39.5	295.3	Up	11:04:33 - 11:20:34	6884
Patrick	11:12:21	-39.7	Dark	Down	34.6	298.7	Up	11:04:20 - 11:20:21	6879
Bishop	11:12:31	-43.3	Dark	Down	38.7	296.0	Up	11:04:31 - 11:20:32	6858
Laughlin/Bullhead City	11:12:21	-40.3	Dark	Down	35.0	298.6	Up	11:04:21 - 11:20:22	6822
George/Scottsdale	11:12:14	-38.0	Dark	Down	32.4	300.3	Up	11:04:14 - 11:20:15	6819
Lake Havasu City	11:12:19	-40.0	Dark	Down	34.5	299.1	Up	11:04:19 - 11:20:20	6771
Yuma	11:12:17	-40.2	Dark	Down	33.8	300.1	Up	11:04:17 - 11:20:18	6586
Idyllwild	11:12:22	-42.0	Dark	Down	35.9	298.9	Up	11:04:22 - 11:20:23	6585
Calipatria	11:12:19	-41.0	Dark	Down	34.7	299.6	Up	11:04:19 - 11:20:20	6584
Wildwood	11:12:27	-43.6	Dark	Down	37.4	298.2	Up	11:04:26 - 11:20:27	6533

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 24835, (2024/12/06 11:12UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 25.95 112
Algol          03:08:10.1 +40:57:20  2.1  8.24 100
41Nu Per       03:45:11.6 +42:34:43  3.8  2.30 107
PPM 046588     03:52:04.7 +40:47:51  7.3  0.18 108
24835          03:51:41.3 +40:37:41 16.6       108
Positions are for J2000

Event circumstances last updated at 2024/01/08 05:10:18 UT

RECON