RECON: TNO occultation with 10TS191

Event between 10TS191 and star GA1060:00871568 with event index number of 2366216

Geocentric closest approach at 2028/11/09 08:25:15 UTC

J2000 position of star is 05:17:53.9 +17:49:47
Equinox of date position of star is 05:19:17.8 +17:51:14
Stellar brightness G=14.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 51 degrees from the moon. Moon is 56% illuminated.
Apparent brightness V=22.6

[RECON map]
Object is 28.7 AU from the Sun and 27.8 AU from the Earth.
Apparent velocity is 19.8 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 179 seconds.
The 1-sigma cross-track error in the shadow position is 1135 km.
The sky-plane scale is 20175.0 km/arcsec.

The object has an absolute magnitude Hv=8.0
Diameter=148.6 km assuming a 5% albedo -- 7.6 sec chord
Diameter=60.7 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 1:1
 
 
 
 
 
 

Star training set for 10TS191, (2028/11/09 08:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:34.8 +16:33:55  0.8 10.11  61
Alnath         05:28:07.1 +28:37:45  1.6 10.95  49
111 Tau        05:26:06.5 +17:24:28  5.5  1.62  49
PPM 120798     05:19:12.4 +17:41:32  8.5  0.19  51
10TS191        05:19:34.9 +17:51:31 14.5        50
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 28.2 km RECON observability=1.0 and success probability=2.6%

Site	Site mid-time (UT)	Sun alt (deg)	Sky	Moon	Star alt (deg)	Star az (deg)	Target	Observing Time (UT)	X-track (km)
Kamloops	08:26:18	-55.4	Dark	Up	51.9	140.7	Up	08:11:18 - 08:41:18	-1427
Sleaford	08:25:28	-50.0	Dark	Up	54.9	163.3	Up	08:10:28 - 08:40:28	-1509
Kelowna	08:26:16	-56.0	Dark	Up	52.9	141.3	Up	08:11:16 - 08:41:16	-1512
Peachland	08:26:18	-56.1	Dark	Up	52.9	140.8	Up	08:11:18 - 08:41:18	-1517
Summerland	08:26:18	-56.3	Dark	Up	53.0	140.8	Up	08:11:18 - 08:41:18	-1531
Penticton	08:26:18	-56.3	Dark	Up	53.1	140.9	Up	08:11:18 - 08:41:18	-1539
Victoria	08:26:32	-58.0	Dark	Up	52.2	134.7	Up	08:11:32 - 08:41:32	-1561
Oliver	08:26:18	-56.6	Dark	Up	53.4	140.6	Up	08:11:18 - 08:41:18	-1570
Anarchist Mountain Observatory	08:26:18	-56.8	Dark	Up	53.6	140.8	Up	08:11:18 - 08:41:18	-1588
Okanogan	08:26:20	-57.4	Dark	Up	54.0	139.9	Up	08:11:20 - 08:41:20	-1642
Brewster	08:26:22	-57.7	Dark	Up	54.1	139.4	Up	08:11:22 - 08:41:22	-1663
Manson/Chelan	08:26:23	-58.0	Dark	Up	54.1	138.6	Up	08:11:23 - 08:41:23	-1675
Wenatchee	08:26:24	-58.5	Dark	Up	54.4	138.0	Up	08:11:24 - 08:41:24	-1714
Ellensburg	08:26:27	-58.9	Dark	Up	54.6	137.3	Up	08:11:27 - 08:41:27	-1748
Yakima	08:26:27	-59.3	Dark	Up	54.9	136.9	Up	08:11:27 - 08:41:27	-1784
Toppenish/White Swan	08:26:27	-59.5	Dark	Up	55.1	136.9	Up	08:11:27 - 08:41:27	-1807
The Dalles	08:26:32	-60.4	Dark	Up	55.3	135.0	Up	08:11:32 - 08:41:32	-1863
PNWRO	08:26:23	-59.4	Dark	Up	56.1	138.7	Up	08:11:23 - 08:41:23	-1867
Maupin	08:26:33	-60.7	Dark	Up	55.7	134.7	Up	08:11:33 - 08:41:33	-1903
Sisters	08:26:36	-61.7	Dark	Up	56.0	133.1	Up	08:11:36 - 08:41:36	-1975
Bend	08:26:36	-61.9	Dark	Up	56.3	133.2	Up	08:11:36 - 08:41:36	-2002
Oregon Observatory	08:26:36	-62.0	Dark	Up	56.4	132.8	Up	08:11:36 - 08:41:36	-2015
Chiloquin	08:26:41	-63.4	Dark	Up	57.1	130.8	Up	08:11:41 - 08:41:41	-2130
Klamath Falls	08:26:41	-63.7	Dark	Up	57.3	130.5	Up	08:11:41 - 08:41:41	-2164
Cedarville	08:26:36	-63.9	Dark	Up	58.7	132.0	Up	08:11:36 - 08:41:36	-2262
Fall River/Burney	08:26:42	-64.7	Dark	Up	58.3	129.6	Up	08:11:42 - 08:41:42	-2284
Greenville	08:26:43	-65.4	Dark	Up	59.1	129.1	Up	08:11:43 - 08:41:43	-2380
Gimple	08:26:42	-65.4	Dark	Up	59.2	129.2	Up	08:11:42 - 08:41:42	-2382
Quincy	08:26:43	-65.6	Dark	Up	59.3	128.8	Up	08:11:43 - 08:41:43	-2399
Portola	08:26:41	-65.6	Dark	Up	59.6	129.4	Up	08:11:41 - 08:41:41	-2421
Reno	08:26:40	-65.6	Dark	Up	60.2	130.0	Up	08:11:40 - 08:41:40	-2460
Carson City	08:26:40	-65.9	Dark	Up	60.4	129.5	Up	08:11:40 - 08:41:40	-2495
Gardnerville	08:26:40	-66.1	Dark	Up	60.6	129.3	Up	08:11:40 - 08:41:40	-2520
Yerington	08:26:39	-65.9	Dark	Up	60.9	130.2	Up	08:11:39 - 08:41:39	-2527
Hawthorne	08:26:37	-66.1	Dark	Up	61.5	130.4	Up	08:11:37 - 08:41:37	-2583
Lee Vining	08:26:40	-66.7	Dark	Up	61.6	128.8	Up	08:11:40 - 08:41:40	-2629
Dunrhomin	08:25:40	-58.1	Dark	Up	66.2	157.9	Up	08:10:40 - 08:40:40	-2642
Nikitin	08:25:41	-58.2	Dark	Up	66.4	157.7	Up	08:10:41 - 08:40:41	-2660
CU-SBO	08:25:41	-58.3	Dark	Up	66.4	157.4	Up	08:10:41 - 08:40:41	-2666
Bishop	08:26:39	-67.0	Dark	Up	62.4	129.1	Up	08:11:39 - 08:41:39	-2703
Beatty	08:26:32	-66.7	Dark	Up	63.7	131.0	Up	08:11:32 - 08:41:32	-2781
Patrick	08:26:23	-66.3	Dark	Up	66.4	133.6	Up	08:11:23 - 08:41:23	-2987
Laughlin/Bullhead City	08:26:27	-66.9	Dark	Up	66.2	131.9	Up	08:11:27 - 08:41:27	-2999
Wildwood	08:26:45	-69.8	Dark	Up	64.3	123.5	Up	08:11:45 - 08:41:45	-3027
Lake Havasu City	08:26:27	-67.2	Dark	Up	66.8	131.2	Up	08:11:27 - 08:41:27	-3072
Idyllwild	08:26:38	-69.1	Dark	Up	65.7	125.8	Up	08:11:38 - 08:41:38	-3102
Calipatria	08:26:34	-68.9	Dark	Up	66.9	126.7	Up	08:11:34 - 08:41:34	-3189
George/Scottsdale	08:26:17	-66.3	Dark	Up	68.8	134.6	Up	08:11:17 - 08:41:17	-3198
Yuma	08:26:31	-68.7	Dark	Up	67.7	127.4	Up	08:11:31 - 08:41:31	-3251

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 10TS191, (2028/11/09 08:30UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 10.11  61
Alnath         05:26:17.6 +28:36:23  1.6 10.95  49
111 Tau        05:24:25.8 +17:23:00  5.5  1.62  49
PPM 120798     05:17:31.6 +17:39:47  8.5  0.19  51
10TS191        05:17:53.9 +17:49:47 14.5        51
Positions are for J2000

Event circumstances last updated at 2023/12/18 04:54:55 UT

RECON