RECON: TNO occultation with 10TH

Event between 10TH and star GA1000:01661904 with event index number of 2427303

Geocentric closest approach at 2023/02/07 03:34:08 UTC

J2000 position of star is 06:20:39.4 +10:13:43
Equinox of date position of star is 06:21:55.7 +10:13:00
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 60 degrees from the moon. Moon is 98% illuminated.
Apparent brightness V=22.4

[RECON map]
Object is 19.9 AU from the Sun and 19.2 AU from the Earth.
Apparent velocity is 18.2 km/sec on the sky relative to the star, or, 4.7 arcsec/hr.
The 1-sigma error in the time of the event is 85 seconds.
The 1-sigma cross-track error in the shadow position is 984 km.
The sky-plane scale is 13903.1 km/arcsec.

The object has an absolute magnitude Hv=9.3
Diameter=83.2 km assuming a 5% albedo -- 4.6 sec chord
Diameter=34.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 10TH, (2023/02/07 03:34UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:25.4 +07:24:34  0.4  6.90  67
Alhena         06:39:02.8 +16:22:39  1.9  7.43  55
75 Ori         06:18:23.1 +09:55:55  5.4  0.92  61
PPM 122272     06:20:20.2 +10:26:02  8.5  0.45  61
PPM 122341     06:23:00.1 +10:14:13 10.0  0.26  60
10TH           06:21:55.9 +10:13:00 16.2        60
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 26.9 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	03:36:19	-33.1	Dark	Up	47.4	165.4	Up	03:28:45 - 03:43:54	7259
Kamloops	03:37:06	-24.7	Dark	Up	44.9	145.2	Up	03:29:31 - 03:44:40	6787
Kelowna	03:37:04	-25.4	Dark	Up	45.9	145.9	Up	03:29:29 - 03:44:38	6733
Peachland	03:37:05	-25.2	Dark	Up	45.9	145.4	Up	03:29:30 - 03:44:39	6717
Summerland	03:37:05	-25.3	Dark	Up	46.0	145.5	Up	03:29:30 - 03:44:39	6705
Penticton	03:37:03	-25.4	Dark	Up	46.1	145.6	Up	03:29:29 - 03:44:38	6702
Oliver	03:37:04	-25.4	Dark	Up	46.4	145.4	Up	03:29:29 - 03:44:38	6669
Anarchist Mountain Observatory	03:37:03	-25.5	Dark	Up	46.6	145.5	Up	03:29:29 - 03:44:38	6658
Okanogan	03:37:03	-25.5	Dark	Up	47.1	144.8	Up	03:29:28 - 03:44:37	6594
Brewster	03:37:04	-25.4	Dark	Up	47.2	144.4	Up	03:29:29 - 03:44:38	6564
Manson/Chelan	03:37:06	-25.1	Dark	Up	47.3	143.8	Up	03:29:31 - 03:44:40	6536
Victoria	03:37:17	-23.0	Dark	Up	45.4	140.0	Up	03:29:42 - 03:44:51	6521
Wenatchee	03:37:06	-25.1	Dark	Up	47.6	143.3	Up	03:29:31 - 03:44:40	6487
Ellensburg	03:37:07	-24.9	Dark	Up	47.8	142.7	Up	03:29:32 - 03:44:41	6443
Yakima	03:37:06	-25.0	Dark	Up	48.1	142.4	Up	03:29:32 - 03:44:41	6405
PNWRO	03:37:01	-26.1	Dark	Up	49.3	144.2	Up	03:29:26 - 03:44:35	6390
Toppenish/White Swan	03:37:05	-25.1	Dark	Up	48.4	142.5	Up	03:29:30 - 03:44:39	6388
The Dalles	03:37:08	-24.6	Dark	Up	48.6	140.9	Up	03:29:34 - 03:44:43	6296
Maupin	03:37:07	-24.7	Dark	Up	49.0	140.7	Up	03:29:33 - 03:44:42	6258
Dunrhomin	03:35:59	-36.7	Dark	Up	58.9	162.0	Up	03:28:24 - 03:43:33	6249
Nikitin	03:35:59	-36.7	Dark	Up	59.0	161.9	Up	03:28:24 - 03:43:33	6232
CU-SBO	03:35:59	-36.6	Dark	Up	59.1	161.7	Up	03:28:25 - 03:43:34	6223
Sisters	03:37:08	-24.4	Dark	Up	49.5	139.4	Up	03:29:33 - 03:44:42	6162
Bend	03:37:09	-24.6	Dark	Up	49.8	139.6	Up	03:29:34 - 03:44:43	6145
Oregon Observatory	03:37:08	-24.5	Dark	Up	49.8	139.3	Up	03:29:33 - 03:44:42	6125
Chiloquin	03:37:09	-24.2	Dark	Up	50.6	137.7	Up	03:29:35 - 03:44:44	5987
Klamath Falls	03:37:08	-24.3	Dark	Up	50.9	137.5	Up	03:29:33 - 03:44:42	5955
Cedarville	03:37:02	-25.5	Dark	Up	52.2	139.1	Up	03:29:28 - 03:44:37	5928
Fall River/Burney	03:37:06	-24.6	Dark	Up	52.0	137.0	Up	03:29:31 - 03:44:40	5849
Gimple	03:37:04	-25.0	Dark	Up	52.9	136.9	Up	03:29:30 - 03:44:39	5773
Greenville	03:37:04	-24.9	Dark	Up	52.9	136.8	Up	03:29:30 - 03:44:39	5771
Portola	03:37:02	-25.3	Dark	Up	53.4	137.1	Up	03:29:27 - 03:44:36	5751
Quincy	03:37:05	-24.9	Dark	Up	53.0	136.6	Up	03:29:30 - 03:44:39	5751
Reno	03:36:59	-25.8	Dark	Up	53.9	137.8	Up	03:29:24 - 03:44:33	5742
Carson City	03:36:59	-25.8	Dark	Up	54.2	137.5	Up	03:29:24 - 03:44:33	5707
Yerington	03:36:56	-26.3	Dark	Up	54.6	138.2	Up	03:29:22 - 03:44:31	5706
Gardnerville	03:36:58	-25.8	Dark	Up	54.4	137.3	Up	03:29:23 - 03:44:32	5685
Hawthorne	03:36:53	-26.7	Dark	Up	55.2	138.5	Up	03:29:19 - 03:44:28	5674
Lee Vining	03:36:55	-26.3	Dark	Up	55.4	137.3	Up	03:29:21 - 03:44:30	5604
Beatty	03:36:44	-28.2	Dark	Up	57.4	139.7	Up	03:29:09 - 03:44:18	5566
Bishop	03:36:51	-26.9	Dark	Up	56.2	137.7	Up	03:29:16 - 03:44:25	5565
Patrick	03:36:31	-30.5	Dark	Up	60.0	142.8	Up	03:28:56 - 03:44:05	5506
Laughlin/Bullhead City	03:36:33	-30.0	Dark	Up	59.9	141.3	Up	03:28:59 - 03:44:08	5460
George/Scottsdale	03:36:19	-32.2	Dark	Up	62.3	144.4	Up	03:28:45 - 03:43:54	5402
Lake Havasu City	03:36:30	-30.2	Dark	Up	60.5	141.0	Up	03:28:55 - 03:44:04	5401
Idyllwild	03:36:40	-28.2	Dark	Up	59.8	136.3	Up	03:29:06 - 03:44:15	5250
Wildwood	03:36:49	-26.7	Dark	Up	58.4	133.8	Up	03:29:15 - 03:44:24	5230
Calipatria	03:36:35	-29.2	Dark	Up	60.9	137.4	Up	03:29:00 - 03:44:09	5225
Yuma	03:36:30	-29.9	Dark	Up	61.7	138.4	Up	03:28:55 - 03:44:04	5210

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 10TH, (2023/02/07 03:34UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  6.90  67
Alhena         06:37:42.8 +16:23:57  1.9  7.43  55
75 Ori         06:17:06.6 +09:56:31  5.4  0.92  61
PPM 122272     06:19:03.5 +10:26:41  8.5  0.45  61
PPM 122341     06:21:43.5 +10:14:58 10.0  0.26  60
10TH           06:20:39.4 +10:13:43 16.2        60
Positions are for J2000

Event circumstances last updated at 2023/01/07 03:18:36 UT

RECON