RECON: TNO occultation with 471210

Event between (471210) 10VW11 and star GA0840:00611889 with event index number of 2460478

Geocentric closest approach at 2028/02/08 05:09:14 UTC

J2000 position of star is 05:27:11.0 -04:16:49
Equinox of date position of star is 05:28:23.0 -04:15:41
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 37 degrees from the moon. Moon is 92% illuminated.
Apparent brightness V=21.2

[RECON map]
Object is 37.2 AU from the Sun and 36.7 AU from the Earth.
Apparent velocity is 16.4 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 92 seconds.
The 1-sigma cross-track error in the shadow position is 1611 km.
The sky-plane scale is 26644.4 km/arcsec.

The object has an absolute magnitude Hv=5.4
Diameter=485.3 km assuming a 5% albedo -- 30.4 sec chord
Diameter=198.1 km assuming a 30% albedo -- 12.4 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 471210, (2028/02/08 05:11UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:53.4 -08:10:17  0.1  5.02  42
34Del Ori      05:33:26.6 -00:16:50  2.2  4.16  33
PPM 188111     05:30:47.8 -03:25:34  5.6  1.00  36
PPM 188092     05:29:56.6 -04:40:34  7.6  0.54  37
PPM 188076     05:28:44.4 -04:15:29  8.9  0.04  37
471210         05:28:34.6 -04:15:30 15.8        37
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 8.9 km RECON observability=1.0 and success probability=34.1%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Sleaford	05:11:40	-45.4	Dark	Up	28.8	212.4	Low	05:03:29 - 05:19:52	1254
Dunrhomin	05:10:44	-53.1	Dark	Up	38.3	217.4	Up	05:02:32 - 05:18:55	995
Nikitin	05:10:42	-53.2	Dark	Up	38.5	217.5	Up	05:02:30 - 05:18:53	988
CU-SBO	05:10:42	-53.2	Dark	Up	38.6	217.4	Up	05:02:31 - 05:18:54	982
Kelowna	05:12:10	-39.8	Dark	Up	34.4	197.8	Up	05:03:59 - 05:20:22	600
Penticton	05:12:10	-39.9	Dark	Up	34.7	197.7	Up	05:03:58 - 05:20:21	584
Kamloops	05:12:17	-38.9	Dark	Up	33.8	196.6	Up	05:04:05 - 05:20:28	583
Peachland	05:12:11	-39.7	Dark	Up	34.6	197.5	Up	05:04:00 - 05:20:23	582
Summerland	05:12:10	-39.8	Dark	Up	34.7	197.6	Up	05:03:58 - 05:20:21	581
Anarchist Mountain Observatory	05:12:07	-40.2	Dark	Up	35.2	198.1	Up	05:03:56 - 05:20:19	577
Oliver	05:12:09	-40.0	Dark	Up	35.1	197.8	Up	05:03:57 - 05:20:20	573
Okanogan	05:12:06	-40.4	Dark	Up	35.8	197.9	Up	05:03:54 - 05:20:17	544
Brewster	05:12:06	-40.4	Dark	Up	36.1	197.8	Up	05:03:54 - 05:20:17	525
Manson/Chelan	05:12:05	-40.3	Dark	Up	36.4	197.3	Up	05:03:54 - 05:20:17	499
PNWRO	05:11:55	-41.8	Dark	Up	37.9	199.3	Up	05:03:43 - 05:20:06	495
Wenatchee	05:12:05	-40.3	Dark	Up	36.9	197.2	Up	05:03:54 - 05:20:17	474
Ellensburg	05:12:06	-40.4	Dark	Up	37.3	197.1	Up	05:03:54 - 05:20:17	448
Toppenish/White Swan	05:12:05	-40.7	Dark	Up	37.9	197.4	Up	05:03:54 - 05:20:17	438
Yakima	05:12:05	-40.5	Dark	Up	37.7	197.1	Up	05:03:54 - 05:20:17	435
The Dalles	05:12:05	-40.5	Dark	Up	38.8	196.6	Up	05:03:54 - 05:20:17	370
Maupin	05:12:05	-40.8	Dark	Up	39.2	196.8	Up	05:03:54 - 05:20:17	368
George/Scottsdale	05:10:37	-51.3	Dark	Up	46.8	212.8	Up	05:02:25 - 05:18:48	366
Victoria	05:12:18	-38.0	Dark	Up	36.4	193.3	Up	05:04:07 - 05:20:30	359
Patrick	05:10:52	-49.2	Dark	Up	46.1	209.3	Up	05:02:40 - 05:19:03	329
Bend	05:11:55	-41.0	Dark	Up	40.3	196.7	Up	05:03:44 - 05:20:07	292
Sisters	05:11:57	-40.7	Dark	Up	40.2	196.4	Up	05:03:45 - 05:20:08	288
Oregon Observatory	05:11:55	-41.0	Dark	Up	40.5	196.6	Up	05:03:43 - 05:20:06	278
Laughlin/Bullhead City	05:10:54	-48.7	Dark	Up	46.6	208.5	Up	05:02:42 - 05:19:05	276
Lake Havasu City	05:10:50	-49.1	Dark	Up	47.1	209.2	Up	05:02:38 - 05:19:01	259
Cedarville	05:11:41	-42.6	Dark	Up	42.5	198.8	Up	05:03:30 - 05:19:53	246
Beatty	05:11:09	-46.5	Dark	Up	45.8	204.9	Up	05:02:58 - 05:19:21	231
Chiloquin	05:11:51	-41.1	Dark	Up	41.9	196.4	Up	05:03:40 - 05:20:03	198
Hawthorne	05:11:24	-44.7	Dark	Up	44.9	201.8	Up	05:03:12 - 05:19:35	198
Yerington	05:11:27	-44.1	Dark	Up	44.6	200.9	Up	05:03:16 - 05:19:39	189
Klamath Falls	05:11:50	-41.3	Dark	Up	42.2	196.6	Up	05:03:38 - 05:20:01	188
Reno	05:11:32	-43.5	Dark	Up	44.3	199.9	Up	05:03:21 - 05:19:44	177
Carson City	05:11:30	-43.6	Dark	Up	44.6	200.0	Up	05:03:19 - 05:19:42	162
Bishop	05:11:18	-45.2	Dark	Up	45.9	202.5	Up	05:03:06 - 05:19:29	158
Fall River/Burney	05:11:44	-41.9	Dark	Up	43.2	197.4	Up	05:03:32 - 05:19:55	156
Gardnerville	05:11:29	-43.7	Dark	Up	44.8	200.1	Up	05:03:18 - 05:19:41	153
Portola	05:11:35	-43.0	Dark	Up	44.2	198.9	Up	05:03:24 - 05:19:47	153
Yuma	05:10:43	-49.4	Dark	Up	48.8	209.7	Up	05:02:31 - 05:18:54	152
Gimple	05:11:38	-42.6	Dark	Up	44.0	198.3	Up	05:03:27 - 05:19:50	145
Lee Vining	05:11:23	-44.5	Dark	Up	45.6	201.3	Up	05:03:12 - 05:19:35	144
Greenville	05:11:38	-42.5	Dark	Up	44.0	198.2	Up	05:03:27 - 05:19:50	140
Quincy	05:11:38	-42.6	Dark	Up	44.2	198.3	Up	05:03:26 - 05:19:49	131
Calipatria	05:10:48	-48.6	Dark	Up	48.8	208.3	Up	05:02:37 - 05:19:00	119
Idyllwild	05:10:55	-47.5	Dark	Up	48.7	206.3	Up	05:02:44 - 05:19:07	80
Wildwood	05:11:04	-45.9	Dark	Up	49.0	203.5	Up	05:02:53 - 05:19:16	-17

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 471210, (2028/02/08 05:11UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  5.02  42
34Del Ori      05:32:00.4 -00:17:57  2.2  4.16  33
PPM 188111     05:29:23.7 -03:26:47  5.6  1.00  36
PPM 188092     05:28:33.2 -04:41:50  7.6  0.54  37
PPM 188076     05:27:20.8 -04:16:47  8.9  0.04  37
471210         05:27:11.0 -04:16:49 15.8        37
Positions are for J2000

Event circumstances last updated at 2024/03/06 04:37:01 UT

RECON