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 11:20:49 UTC

J2000 position of star is 05:28:33.4 -01:50:54
Equinox of date position of star is 05:29:47.1 -01:49:49
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 25 seconds.
The 1-sigma cross-track error in the shadow position is 1537 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 28.5 km RECON observability=1.0 and success probability=28.2%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	11:19:14	-36.5	Dark	Up	35.1	203.0	Up	11:16:41 - 11:21:47	1933
Victoria	11:19:20	-39.1	Dark	Up	37.8	199.9	Up	11:16:47 - 11:21:53	1876
Peachland	11:19:13	-36.4	Dark	Up	35.8	204.0	Up	11:16:40 - 11:21:46	1845
Kelowna	11:19:13	-36.2	Dark	Up	35.6	204.3	Up	11:16:40 - 11:21:46	1844
Summerland	11:19:13	-36.4	Dark	Up	35.9	204.1	Up	11:16:40 - 11:21:46	1831
Penticton	11:19:12	-36.4	Dark	Up	35.9	204.3	Up	11:16:39 - 11:21:45	1823
Oliver	11:19:13	-36.5	Dark	Up	36.3	204.4	Up	11:16:40 - 11:21:46	1796
Anarchist Mountain Observatory	11:19:13	-36.4	Dark	Up	36.4	204.7	Up	11:16:40 - 11:21:46	1777
Okanogan	11:19:13	-36.7	Dark	Up	37.0	204.6	Up	11:16:40 - 11:21:46	1736
Brewster	11:19:13	-36.9	Dark	Up	37.3	204.5	Up	11:16:40 - 11:21:46	1722
Manson/Chelan	11:19:14	-37.2	Dark	Up	37.6	204.1	Up	11:16:41 - 11:21:47	1718
Wenatchee	11:19:14	-37.4	Dark	Up	38.1	204.0	Up	11:16:41 - 11:21:47	1688
Ellensburg	11:19:15	-37.7	Dark	Up	38.5	203.9	Up	11:16:42 - 11:21:48	1664
Yakima	11:19:15	-37.8	Dark	Up	38.9	204.0	Up	11:16:42 - 11:21:48	1633
Toppenish/White Swan	11:19:15	-37.7	Dark	Up	39.1	204.3	Up	11:16:42 - 11:21:48	1611
Sleaford	11:18:52	-27.5	Dark	Up	29.3	218.7	Low	11:16:19 - 11:21:25	1605
The Dalles	11:19:17	-38.5	Dark	Up	40.0	203.6	Up	11:16:44 - 11:21:50	1578
Maupin	11:19:17	-38.5	Dark	Up	40.3	203.9	Up	11:16:44 - 11:21:50	1542
PNWRO	11:19:13	-36.8	Dark	Up	38.9	206.3	Up	11:16:40 - 11:21:46	1530
Sisters	11:19:18	-39.1	Dark	Up	41.3	203.5	Up	11:16:45 - 11:21:51	1491
Bend	11:19:18	-38.9	Dark	Up	41.4	204.0	Up	11:16:45 - 11:21:51	1463
Oregon Observatory	11:19:18	-39.1	Dark	Up	41.6	203.9	Up	11:16:45 - 11:21:51	1454
Chiloquin	11:19:19	-39.7	Dark	Up	43.0	203.8	Up	11:16:46 - 11:21:52	1364
Klamath Falls	11:19:19	-39.7	Dark	Up	43.2	204.0	Up	11:16:46 - 11:21:52	1333
Fall River/Burney	11:19:19	-39.6	Dark	Up	44.2	205.0	Up	11:16:46 - 11:21:52	1222
Cedarville	11:19:17	-38.7	Dark	Up	43.4	206.4	Up	11:16:44 - 11:21:50	1216
Greenville	11:19:19	-39.5	Dark	Up	44.9	206.0	Up	11:16:46 - 11:21:52	1130
Gimple	11:19:19	-39.4	Dark	Up	44.8	206.1	Up	11:16:46 - 11:21:52	1127
Quincy	11:19:19	-39.5	Dark	Up	45.0	206.1	Up	11:16:46 - 11:21:52	1113
Portola	11:19:18	-39.2	Dark	Up	45.0	206.8	Up	11:16:45 - 11:21:51	1084
Reno	11:19:17	-38.7	Dark	Up	45.0	207.7	Up	11:16:44 - 11:21:50	1037
Carson City	11:19:17	-38.8	Dark	Up	45.3	207.9	Up	11:16:44 - 11:21:50	1005
Gardnerville	11:19:17	-38.8	Dark	Up	45.5	208.1	Up	11:16:44 - 11:21:50	983
Yerington	11:19:16	-38.3	Dark	Up	45.3	208.9	Up	11:16:43 - 11:21:49	964
Hawthorne	11:19:15	-38.0	Dark	Up	45.5	209.8	Up	11:16:42 - 11:21:48	903
Lee Vining	11:19:16	-38.4	Dark	Up	46.1	209.4	Up	11:16:43 - 11:21:49	874
Bishop	11:19:15	-37.9	Dark	Up	46.4	210.7	Up	11:16:42 - 11:21:48	794
Beatty	11:19:12	-36.7	Dark	Up	46.1	213.1	Up	11:16:39 - 11:21:45	688
Dunrhomin	11:18:50	-27.6	Dark	Up	37.8	224.7	Up	11:16:17 - 11:21:23	559
Nikitin	11:18:50	-27.6	Dark	Up	38.0	224.8	Up	11:16:17 - 11:21:23	543
CU-SBO	11:18:50	-27.6	Dark	Up	38.1	224.7	Up	11:16:17 - 11:21:23	540
Wildwood	11:19:17	-38.4	Dark	Up	49.2	212.3	Up	11:16:44 - 11:21:50	513
Laughlin/Bullhead City	11:19:09	-35.0	Dark	Up	46.5	216.9	Up	11:16:36 - 11:21:42	446
Patrick	11:19:07	-34.4	Dark	Up	45.9	217.6	Up	11:16:34 - 11:21:40	440
Idyllwild	11:19:14	-36.8	Dark	Up	48.7	215.1	Up	11:16:41 - 11:21:47	403
Lake Havasu City	11:19:09	-34.8	Dark	Up	46.9	217.7	Up	11:16:36 - 11:21:42	374
Calipatria	11:19:12	-35.9	Dark	Up	48.6	217.1	Up	11:16:39 - 11:21:45	298
Yuma	11:19:10	-35.1	Dark	Up	48.5	218.5	Up	11:16:37 - 11:21:43	221
George/Scottsdale	11:19:04	-32.8	Dark	Up	46.2	221.2	Up	11:16:31 - 11:21:37	204

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 2024/04/23 03:31:51 UT

RECON