RECON: TNO occultation with 470083

Event between (470083) 06SG369 and star GA1040:00562902 with event index number of 2218561

Geocentric closest approach at 2022/11/15 08:18:01 UTC

J2000 position of star is 04:42:34.1 +14:55:15
Equinox of date position of star is 04:43:48.8 +14:57:39
Stellar brightness G=16.5, 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 62% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 32.0 AU from the Sun and 31.1 AU from the Earth.
The TNO is moving 22.8 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 96 seconds.
The 1-sigma cross-track error in the shadow position is 1315 km.
The sky-plane scale is 22552.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=182.0 km assuming a 5% albedo -- 8.0 sec chord
Diameter=74.3 km assuming a 30% albedo -- 3.3 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 470083, (2022/11/15 08:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.1 +16:33:13  0.8  2.25  61
Bellatrix      05:26:21.5 +06:22:07  1.6 13.51  53
91Sig1Tau      04:40:27.7 +15:50:35  5.3  1.20  60
PPM 120173     04:44:17.3 +14:51:22  7.6  0.15  60
470083         04:43:52.2 +14:57:46 16.5        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 24.7 km RECON observability=1.0 and success probability=36.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 08:18:17 -57.2 Dark Up 53.0 160.5 Up 08:09:50 - 08:26:45 553
Sleaford 08:17:33 -52.1 Dark Up 52.8 183.6 Up 08:09:06 - 08:26:01 527
Kelowna 08:18:16 -57.8 Dark Up 53.9 161.5 Up 08:09:48 - 08:26:43 471
Peachland 08:18:17 -58.0 Dark Up 53.9 161.0 Up 08:09:49 - 08:26:44 465
Summerland 08:18:16 -58.1 Dark Up 54.1 161.1 Up 08:09:49 - 08:26:44 451
Penticton 08:18:16 -58.2 Dark Up 54.2 161.2 Up 08:09:49 - 08:26:44 443
Oliver 08:18:17 -58.5 Dark Up 54.5 161.1 Up 08:09:49 - 08:26:44 412
Victoria 08:18:29 -59.7 Dark Up 54.2 154.6 Up 08:10:02 - 08:26:57 405
Anarchist Mountain Observatory 08:18:16 -58.6 Dark Up 54.7 161.3 Up 08:09:48 - 08:26:43 395
Tonasket 08:18:17 -58.9 Dark Up 55.0 161.1 Up 08:09:49 - 08:26:44 368
Okanogan 08:18:18 -59.3 Dark Up 55.3 160.7 Up 08:09:50 - 08:26:45 340
Brewster 08:18:19 -59.6 Dark Up 55.5 160.2 Up 08:09:51 - 08:26:46 318
Manson/Chelan 08:18:20 -59.9 Dark Up 55.6 159.5 Up 08:09:52 - 08:26:47 304
Wenatchee 08:18:21 -60.3 Dark Up 56.0 159.0 Up 08:09:54 - 08:26:49 263
Ellensburg 08:18:22 -60.8 Dark Up 56.4 158.4 Up 08:09:55 - 08:26:50 229
Yakima 08:18:23 -61.2 Dark Up 56.7 158.1 Up 08:09:55 - 08:26:50 192
Toppenish/White Swan 08:18:23 -61.3 Dark Up 57.0 158.3 Up 08:09:55 - 08:26:50 170
Pasco 08:18:19 -61.2 Dark Up 57.4 160.4 Up 08:09:51 - 08:26:46 142
Goldendale 08:18:25 -62.0 Dark Up 57.4 157.3 Up 08:09:57 - 08:26:52 125
PNWRO 08:18:18 -61.4 Dark Up 57.7 160.7 Up 08:09:51 - 08:26:46 116
The Dalles 08:18:26 -62.2 Dark Up 57.5 156.5 Up 08:09:59 - 08:26:54 110
Maupin 08:18:26 -62.6 Dark Up 57.9 156.4 Up 08:09:59 - 08:26:54 70
Sisters 08:18:29 -63.6 Dark Up 58.6 155.0 Up 08:10:02 - 08:26:57 -5
Redmond 08:18:28 -63.5 Dark Up 58.7 155.7 Up 08:10:00 - 08:26:55 -13
Bend 08:18:29 -63.7 Dark Up 58.9 155.3 Up 08:10:01 - 08:26:56 -31
Oregon Observatory 08:18:29 -63.9 Dark Up 59.0 154.9 Up 08:10:02 - 08:26:57 -45
La Pine/Gilchrist 08:18:30 -64.1 Dark Up 59.1 154.7 Up 08:10:02 - 08:26:57 -63
North Lake 08:18:28 -64.4 Dark Up 59.7 155.5 Up 08:10:01 - 08:26:56 -113
Chiloquin 08:18:32 -65.3 Dark Up 60.0 153.2 Up 08:10:05 - 08:27:00 -163
Paisley 08:18:28 -64.9 Dark Up 60.3 155.7 Up 08:10:00 - 08:26:55 -171
Klamath Falls 08:18:32 -65.6 Dark Up 60.4 153.1 Up 08:10:05 - 08:27:00 -197
Lakeview 08:18:28 -65.3 Dark Up 60.8 155.7 Up 08:10:00 - 08:26:55 -222
Cedarville 08:18:28 -65.9 Dark Up 61.5 155.6 Up 08:10:00 - 08:26:55 -287
Fall River/Burney 08:18:33 -66.7 Dark Up 61.5 152.9 Up 08:10:05 - 08:27:00 -316
Susanville 08:18:31 -67.1 Dark Up 62.4 153.7 Up 08:10:03 - 08:26:58 -388
Greenville 08:18:32 -67.4 Dark Up 62.5 152.9 Up 08:10:05 - 08:27:00 -410
Gimple 08:18:32 -67.4 Dark Up 62.5 153.1 Up 08:10:05 - 08:27:00 -412
Quincy 08:18:32 -67.6 Dark Up 62.7 152.8 Up 08:10:05 - 08:27:00 -430
Portola 08:18:31 -67.6 Dark Up 63.0 153.6 Up 08:10:03 - 08:26:58 -449
Reno 08:18:29 -67.7 Dark Up 63.4 154.7 Up 08:10:01 - 08:26:56 -485
Carson City 08:18:29 -68.0 Dark Up 63.7 154.4 Up 08:10:02 - 08:26:57 -521
Gardnerville 08:18:29 -68.2 Dark Up 64.0 154.3 Up 08:10:02 - 08:26:57 -546
Yerington 08:18:27 -68.0 Dark Up 64.1 155.5 Up 08:09:59 - 08:26:54 -550
Dunrhomin 08:17:35 -60.5 Dark Up 64.5 186.8 Up 08:09:08 - 08:26:03 -598
Hawthorne 08:18:26 -68.2 Dark Up 64.7 156.2 Up 08:09:58 - 08:26:53 -604
Lee Vining 08:18:28 -68.9 Dark Up 65.1 154.7 Up 08:10:01 - 08:26:56 -652
Tonopah 08:18:21 -68.1 Dark Up 65.6 158.9 Up 08:09:54 - 08:26:49 -671
Bishop 08:18:26 -69.2 Dark Up 65.9 155.7 Up 08:09:59 - 08:26:54 -723
Beatty 08:18:21 -68.9 Dark Up 66.8 159.0 Up 08:09:53 - 08:26:48 -794
Indian Springs 08:18:17 -68.7 Dark Up 67.4 161.3 Up 08:09:49 - 08:26:44 -842
CPSLO 08:18:37 -71.8 Dark Up 66.8 148.6 Up 08:10:10 - 08:27:05 -895
Henderson 08:18:15 -68.8 Dark Up 68.1 162.6 Up 08:09:47 - 08:26:42 -906
Patrick 08:18:11 -68.7 Dark Up 68.9 164.9 Up 08:09:43 - 08:26:38 -986
Laughlin/Bullhead City 08:18:14 -69.3 Dark Up 69.0 162.9 Up 08:09:46 - 08:26:41 -1001
Kingman/Dolan Springs 08:18:12 -69.0 Dark Up 69.1 164.3 Up 08:09:44 - 08:26:39 -1006
Mohave Valley 08:18:14 -69.5 Dark Up 69.3 162.7 Up 08:09:46 - 08:26:41 -1029
Wildwood 08:18:30 -72.1 Dark Up 68.7 151.8 Up 08:10:03 - 08:26:58 -1051
Lake Havasu City 08:18:14 -69.7 Dark Up 69.7 163.1 Up 08:09:46 - 08:26:41 -1074
Parker 08:18:14 -69.9 Dark Up 70.0 162.9 Up 08:09:46 - 08:26:41 -1110
Idyllwild 08:18:23 -71.5 Dark Up 69.7 156.1 Up 08:09:56 - 08:26:51 -1116
Blythe 08:18:15 -70.5 Dark Up 70.5 161.6 Up 08:09:48 - 08:26:43 -1160
George/Scottsdale 08:18:04 -68.8 Dark Up 70.9 169.4 Up 08:09:37 - 08:26:32 -1188
Calipatria 08:18:20 -71.4 Dark Up 70.7 158.6 Up 08:09:52 - 08:26:47 -1197
Yuma 08:18:16 -71.2 Dark Up 71.3 160.7 Up 08:09:49 - 08:26:44 -1255

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 470083, (2022/11/15 08:19UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  2.25  61
Bellatrix      05:25:07.8 +06:20:58  1.6 13.51  53
91Sig1Tau      04:39:09.2 +15:47:58  5.3  1.20  60
PPM 120173     04:42:59.3 +14:48:52  7.6  0.15  60
470083         04:42:34.1 +14:55:15 16.5        60
Positions are for J2000

Event circumstances last updated at 2021/11/15 00:51:13 UT

Marc W. Buie, Southwest Research Institute

RECON