RECON: TNO occultation with 463368

Event between (463368) 12VU85 and star GA1060:01713349 with event index number of 1128652

Geocentric closest approach at 2022/01/25 05:35:28 UTC

J2000 position of star is 06:15:01.3 +17:19:44
Equinox of date position of star is 06:16:09.1 +17:19:17
Stellar brightness G=15.6, use SENSEUP=128
Star is 117 degrees from the moon. Moon is 54% illuminated.
TNO apparent brightness V=21.0

[RECON map]
TNO is 23.1 AU from the Sun and 22.2 AU from the Earth.
The TNO is moving 19.5 km/sec on the sky relative to the star, or, 4.4 arcsec/hr.
The 1-sigma error in the time of the event is 597 seconds.
The 1-sigma cross-track error in the shadow position is 3745 km.
The sky-plane scale is 16112.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=208.9 km assuming a 5% albedo -- 10.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 463368, (2022/01/25 05:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:22.0 +07:24:34  0.4 11.04 122
Alhena         06:38:59.2 +16:22:43  1.9  5.51 112
PPM 122145     06:15:45.9 +17:53:53  6.3  0.59 118
PPM 122128     06:15:14.2 +17:31:40  8.5  0.33 118
PPM 122134     06:15:27.5 +17:17:09  9.6  0.21 118
463368         06:16:18.3 +17:19:14 15.6       117
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 1.5 sigma about the mid-time.
The median site spacing is 22.1 km RECON observability=1.0 and success probability=12.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:35:51 -46.5 Dark Down 57.2 171.8 Up 05:20:51 - 05:50:51 -863
Summerland 05:35:52 -46.5 Dark Down 57.5 171.2 Up 05:20:52 - 05:50:52 -891
Penticton 05:35:52 -46.6 Dark Down 57.6 171.4 Up 05:20:52 - 05:50:52 -898
Okanagan Falls 05:35:52 -46.7 Dark Down 57.7 171.3 Up 05:20:52 - 05:50:52 -915
Oliver 05:35:52 -46.8 Dark Down 57.9 171.3 Up 05:20:52 - 05:50:52 -931
Anarchist Mountain Observatory 05:35:51 -47.0 Dark Down 58.1 171.6 Up 05:20:51 - 05:50:51 -947
Oroville 05:35:52 -47.0 Dark Down 58.2 171.4 Up 05:20:52 - 05:50:52 -954
Tonasket 05:35:52 -47.1 Dark Down 58.4 171.4 Up 05:20:52 - 05:50:52 -976
Okanogan 05:35:52 -47.2 Dark Down 58.7 171.0 Up 05:20:52 - 05:50:52 -1008
Brewster 05:35:53 -47.2 Dark Down 59.0 170.6 Up 05:20:53 - 05:50:53 -1034
Manson/Chelan 05:35:55 -47.1 Dark Down 59.1 169.9 Up 05:20:55 - 05:50:55 -1054
Entiat 05:35:55 -47.1 Dark Down 59.3 169.7 Up 05:20:55 - 05:50:55 -1075
Wenatchee 05:35:56 -47.2 Dark Down 59.6 169.4 Up 05:20:56 - 05:50:56 -1100
Ellensburg 05:35:56 -47.3 Dark Down 59.9 168.9 Up 05:20:56 - 05:50:56 -1140
Yakima 05:35:56 -47.4 Dark Down 60.3 168.7 Up 05:20:56 - 05:50:56 -1179
Toppenish/White Swan 05:35:56 -47.6 Dark Down 60.6 169.0 Up 05:20:56 - 05:50:56 -1200
Pasco 05:35:51 -48.5 Dark Down 60.8 171.4 Up 05:20:51 - 05:50:51 -1212
PNWRO 05:35:50 -48.7 Dark Down 61.1 171.7 Up 05:20:50 - 05:50:50 -1236
George/Umatilla 05:35:52 -48.5 Dark Down 61.2 170.8 Up 05:20:52 - 05:50:52 -1244
Goldendale 05:35:58 -47.6 Dark Down 61.1 168.0 Up 05:20:58 - 05:50:58 -1254
The Dalles 05:35:59 -47.5 Dark Down 61.2 167.2 Up 05:20:59 - 05:50:59 -1276
Maupin 05:35:59 -47.7 Dark Down 61.7 167.2 Up 05:20:59 - 05:50:59 -1317
Madras/Culver 05:35:59 -47.9 Dark Down 62.2 166.9 Up 05:20:59 - 05:50:59 -1371
Sisters 05:36:01 -47.8 Dark Down 62.4 165.8 Up 05:21:01 - 05:51:01 -1404
Redmond 05:36:00 -48.1 Dark Down 62.5 166.6 Up 05:21:00 - 05:51:00 -1406
Bend 05:36:00 -48.1 Dark Down 62.7 166.3 Up 05:21:00 - 05:51:00 -1427
Oregon Observatory 05:36:01 -48.0 Dark Down 62.9 165.9 Up 05:21:01 - 05:51:01 -1445
La Pine/Gilchrist 05:36:01 -48.1 Dark Down 63.0 165.7 Up 05:21:01 - 05:51:01 -1465
North Lake 05:35:59 -48.7 Dark Down 63.6 166.7 Up 05:20:59 - 05:50:59 -1509
Paisley 05:35:57 -49.1 Dark Down 64.2 167.2 Up 05:20:57 - 05:50:57 -1564
Chiloquin 05:36:03 -48.3 Dark Down 64.0 164.4 Up 05:21:03 - 05:51:03 -1576
Klamath Falls 05:36:03 -48.5 Dark Down 64.4 164.4 Up 05:21:03 - 05:51:03 -1611
Lakeview 05:35:57 -49.4 Dark Down 64.7 167.4 Up 05:20:57 - 05:50:57 -1615
Tulelake 05:36:02 -48.8 Dark Down 64.7 164.9 Up 05:21:02 - 05:51:02 -1638
Cedarville 05:35:56 -49.8 Dark Down 65.4 167.5 Up 05:20:56 - 05:50:56 -1681
Fall River/Burney 05:36:01 -49.1 Dark Down 65.6 164.5 Up 05:21:01 - 05:51:01 -1730
Niwot 05:34:53 -60.2 Dark Down 65.8 202.2 Up 05:19:53 - 05:49:53 -1779
SwRI 05:34:53 -60.2 Dark Down 66.0 202.0 Up 05:19:53 - 05:49:53 -1790
Susanville 05:35:58 -49.9 Dark Down 66.4 165.8 Up 05:20:58 - 05:50:58 -1795
Greenville 05:36:00 -49.8 Dark Down 66.6 165.0 Up 05:21:00 - 05:51:00 -1823
Gimple 05:35:59 -49.8 Dark Down 66.6 165.2 Up 05:20:59 - 05:50:59 -1823
Quincy 05:36:00 -49.8 Dark Down 66.8 164.9 Up 05:21:00 - 05:51:00 -1844
Portola 05:35:58 -50.2 Dark Down 67.0 165.9 Up 05:20:58 - 05:50:58 -1857
Reno 05:35:55 -50.8 Dark Down 67.4 167.3 Up 05:20:55 - 05:50:55 -1884
Carson City 05:35:55 -50.9 Dark Down 67.7 167.2 Up 05:20:55 - 05:50:55 -1921
Yerington 05:35:52 -51.4 Dark Down 68.0 168.6 Up 05:20:52 - 05:50:52 -1941
Gardnerville 05:35:55 -51.0 Dark Down 68.0 167.2 Up 05:20:55 - 05:50:55 -1946
Hawthorne 05:35:50 -52.0 Dark Down 68.5 169.8 Up 05:20:50 - 05:50:50 -1989
Tonopah 05:35:44 -53.2 Dark Down 69.2 173.2 Up 05:20:44 - 05:50:44 -2036
Lee Vining 05:35:52 -51.8 Dark Down 69.0 168.2 Up 05:20:52 - 05:50:52 -2048
Bishop 05:35:49 -52.5 Dark Down 69.7 169.8 Up 05:20:49 - 05:50:49 -2109
Beatty 05:35:42 -53.9 Dark Down 70.3 174.1 Up 05:20:42 - 05:50:42 -2156
Indian Springs 05:35:37 -54.8 Dark Down 70.7 177.1 Up 05:20:37 - 05:50:37 -2188
Lone Pine 05:35:48 -53.0 Dark Down 70.5 170.4 Up 05:20:48 - 05:50:48 -2189
Henderson 05:35:34 -55.5 Dark Down 71.3 179.0 Up 05:20:34 - 05:50:34 -2243
Searchlight/Boulder City 05:35:33 -55.7 Dark Down 71.9 179.2 Up 05:20:33 - 05:50:33 -2303
Patrick 05:35:29 -56.6 Dark Down 71.9 182.4 Up 05:20:29 - 05:50:29 -2306
CPSLO 05:35:59 -51.4 Dark Down 71.3 162.2 Up 05:20:59 - 05:50:59 -2326
Kingman/Dolan Springs 05:35:30 -56.5 Dark Down 72.1 181.8 Up 05:20:30 - 05:50:30 -2330
Laughlin/Bullhead City 05:35:32 -56.1 Dark Down 72.2 180.2 Up 05:20:32 - 05:50:32 -2334
DCO 05:35:25 -57.2 Dark Down 72.2 184.6 Up 05:20:25 - 05:50:25 -2336
Mohave Valley 05:35:32 -56.2 Dark Down 72.4 180.2 Up 05:20:32 - 05:50:32 -2362
Lake Havasu City 05:35:30 -56.5 Dark Down 72.8 181.0 Up 05:20:30 - 05:50:30 -2404
Parker 05:35:31 -56.7 Dark Down 73.2 181.1 Up 05:20:31 - 05:50:31 -2441
Wildwood 05:35:50 -53.3 Dark Down 72.9 167.3 Up 05:20:50 - 05:50:50 -2454
Idyllwild 05:35:42 -54.9 Dark Down 73.5 173.2 Up 05:20:42 - 05:50:42 -2490
Blythe 05:35:32 -56.6 Dark Down 73.7 180.2 Up 05:20:32 - 05:50:32 -2498
Calipatria 05:35:36 -56.0 Dark Down 74.2 177.0 Up 05:20:36 - 05:50:36 -2553
Yuma 05:35:32 -56.8 Dark Down 74.6 180.1 Up 05:20:32 - 05:50:32 -2597

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 463368, (2022/01/25 05:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.04 122
Alhena         06:37:42.8 +16:23:57  1.9  5.51 112
PPM 122145     06:14:28.6 +17:54:22  6.3  0.59 118
PPM 122128     06:13:57.0 +17:32:08  8.5  0.33 118
PPM 122134     06:14:10.5 +17:17:37  9.6  0.21 118
463368         06:15:01.3 +17:19:44 15.6       117
Positions are for J2000

Event circumstances last updated at 2019/06/08 03:00:28 UT

Marc W. Buie, Southwest Research Institute

RECON