RECON: TNO occultation with 468861

Event between (468861) 13LU28 and star GA0880:00671828 with event index number of 2656250

Geocentric closest approach at 2027/11/12 11:20:41 UTC

J2000 position of star is 05:28:33.4 -01:50:54
Equinox of date position of star is 05:29:47.6 -01:49:48
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 59 degrees from the moon. Moon is 97% illuminated.
Apparent brightness V=18.9

[RECON map]
Object is 11.1 AU from the Sun and 10.3 AU from the Earth.
Apparent velocity is 36.1 km/sec on the sky relative to the star, or, 17.4 arcsec/hr.
The 1-sigma error in the time of the event is 24 seconds.
The 1-sigma cross-track error in the shadow position is 1474 km.
The sky-plane scale is 7492.2 km/arcsec.

The object has an absolute magnitude Hv=8.3
Diameter=128.2 km assuming a 5% albedo -- 3.7 sec chord
Diameter=52.4 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 468861, (2027/11/12 11:21UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:52.7 -08:10:18  0.1  7.25  58
34Del Ori      05:33:25.9 -00:16:51  2.2  1.77  59
PPM 175822     05:27:01.2 -01:28:07  6.5  0.82  58
PPM 175843     05:29:09.2 -01:47:31  7.9  0.21  59
PPM 175848     05:29:35.0 -01:45:03  8.7  0.12  59
468861         05:29:57.9 -01:49:39 14.1        59
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 28.6 km RECON observability=1.0 and success probability=27.7%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	11:19:05	-36.5	Dark	Up	35.1	203.0	Up	11:16:35 - 11:21:34	2113
Victoria	11:19:11	-39.1	Dark	Up	37.8	199.9	Up	11:16:41 - 11:21:40	2057
Peachland	11:19:04	-36.4	Dark	Up	35.8	203.9	Up	11:16:35 - 11:21:34	2026
Kelowna	11:19:04	-36.2	Dark	Up	35.6	204.3	Up	11:16:34 - 11:21:33	2025
Summerland	11:19:04	-36.4	Dark	Up	35.9	204.1	Up	11:16:34 - 11:21:33	2012
Penticton	11:19:04	-36.4	Dark	Up	36.0	204.3	Up	11:16:34 - 11:21:33	2003
Oliver	11:19:04	-36.5	Dark	Up	36.3	204.4	Up	11:16:34 - 11:21:33	1977
Anarchist Mountain Observatory	11:19:04	-36.4	Dark	Up	36.4	204.6	Up	11:16:34 - 11:21:33	1958
Okanogan	11:19:04	-36.7	Dark	Up	37.0	204.6	Up	11:16:35 - 11:21:34	1916
Brewster	11:19:04	-36.9	Dark	Up	37.3	204.4	Up	11:16:35 - 11:21:34	1903
Manson/Chelan	11:19:05	-37.2	Dark	Up	37.6	204.0	Up	11:16:35 - 11:21:34	1899
Wenatchee	11:19:06	-37.4	Dark	Up	38.1	204.0	Up	11:16:36 - 11:21:35	1869
Ellensburg	11:19:06	-37.7	Dark	Up	38.5	203.9	Up	11:16:37 - 11:21:36	1845
Yakima	11:19:06	-37.8	Dark	Up	38.9	204.0	Up	11:16:37 - 11:21:36	1814
Toppenish/White Swan	11:19:06	-37.8	Dark	Up	39.1	204.3	Up	11:16:37 - 11:21:36	1792
Sleaford	11:18:43	-27.5	Dark	Up	29.3	218.6	Low	11:16:13 - 11:21:12	1786
The Dalles	11:19:08	-38.5	Dark	Up	40.0	203.5	Up	11:16:38 - 11:21:37	1759
Maupin	11:19:08	-38.5	Dark	Up	40.4	203.8	Up	11:16:38 - 11:21:37	1723
PNWRO	11:19:03	-36.8	Dark	Up	39.0	206.2	Up	11:16:34 - 11:21:33	1711
Sisters	11:19:09	-39.1	Dark	Up	41.3	203.5	Up	11:16:39 - 11:21:38	1672
Bend	11:19:09	-39.0	Dark	Up	41.4	203.9	Up	11:16:39 - 11:21:38	1643
Oregon Observatory	11:19:09	-39.1	Dark	Up	41.6	203.8	Up	11:16:39 - 11:21:38	1635
Chiloquin	11:19:10	-39.7	Dark	Up	43.0	203.8	Up	11:16:41 - 11:21:40	1545
Klamath Falls	11:19:10	-39.7	Dark	Up	43.3	204.0	Up	11:16:41 - 11:21:40	1514
Fall River/Burney	11:19:10	-39.7	Dark	Up	44.2	205.0	Up	11:16:41 - 11:21:40	1403
Cedarville	11:19:07	-38.7	Dark	Up	43.4	206.4	Up	11:16:38 - 11:21:37	1397
Greenville	11:19:10	-39.5	Dark	Up	44.9	205.9	Up	11:16:40 - 11:21:39	1311
Gimple	11:19:09	-39.4	Dark	Up	44.9	206.1	Up	11:16:40 - 11:21:39	1308
Quincy	11:19:10	-39.5	Dark	Up	45.1	206.0	Up	11:16:40 - 11:21:39	1294
Portola	11:19:09	-39.2	Dark	Up	45.0	206.7	Up	11:16:39 - 11:21:38	1265
Reno	11:19:08	-38.8	Dark	Up	45.0	207.7	Up	11:16:38 - 11:21:37	1218
Carson City	11:19:08	-38.8	Dark	Up	45.3	207.9	Up	11:16:38 - 11:21:37	1186
Gardnerville	11:19:08	-38.8	Dark	Up	45.5	208.1	Up	11:16:39 - 11:21:38	1164
Yerington	11:19:07	-38.3	Dark	Up	45.3	208.8	Up	11:16:37 - 11:21:36	1145
Hawthorne	11:19:06	-38.0	Dark	Up	45.5	209.7	Up	11:16:37 - 11:21:36	1085
Lee Vining	11:19:07	-38.4	Dark	Up	46.2	209.4	Up	11:16:38 - 11:21:37	1055
Bishop	11:19:06	-37.9	Dark	Up	46.4	210.7	Up	11:16:37 - 11:21:36	975
Beatty	11:19:03	-36.7	Dark	Up	46.1	213.0	Up	11:16:34 - 11:21:33	869
Dunrhomin	11:18:41	-27.6	Dark	Up	37.8	224.7	Up	11:16:11 - 11:21:10	740
Nikitin	11:18:41	-27.6	Dark	Up	38.0	224.7	Up	11:16:11 - 11:21:10	724
CU-SBO	11:18:41	-27.7	Dark	Up	38.1	224.7	Up	11:16:11 - 11:21:10	721
Wildwood	11:19:09	-38.4	Dark	Up	49.3	212.3	Up	11:16:39 - 11:21:38	694
Laughlin/Bullhead City	11:19:00	-35.1	Dark	Up	46.5	216.9	Up	11:16:30 - 11:21:29	627
Patrick	11:18:58	-34.5	Dark	Up	46.0	217.6	Up	11:16:29 - 11:21:28	621
Idyllwild	11:19:05	-36.9	Dark	Up	48.7	215.0	Up	11:16:35 - 11:21:34	584
Lake Havasu City	11:18:59	-34.9	Dark	Up	46.9	217.6	Up	11:16:30 - 11:21:29	555
Calipatria	11:19:03	-35.9	Dark	Up	48.6	217.0	Up	11:16:33 - 11:21:32	479
Yuma	11:19:01	-35.2	Dark	Up	48.5	218.5	Up	11:16:31 - 11:21:30	402
George/Scottsdale	11:18:55	-32.9	Dark	Up	46.2	221.2	Up	11:16:25 - 11:21:24	385

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, (2027/11/12 11:21UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  7.25  58
34Del Ori      05:32:00.4 -00:17:57  2.2  1.77  59
PPM 175822     05:25:36.5 -01:29:29  6.5  0.82  58
PPM 175843     05:27:44.7 -01:48:47  7.9  0.21  59
PPM 175848     05:28:10.4 -01:46:19  8.7  0.12  59
468861         05:28:33.4 -01:50:54 14.1        59
Positions are for J2000

Event circumstances last updated at 2024/06/22 21:29:15 UT

RECON