RECON: TNO occultation with 470083

Event between (470083) 06SG369 and star GA1040:00578286 with event index number of 2218556

Geocentric closest approach at 2022/08/31 10:07:59 UTC

J2000 position of star is 04:45:42.3 +15:09:08
Equinox of date position of star is 04:46:57.1 +15:11:27
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 134 degrees from the moon. Moon is 17% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 32.0 AU from the Sun and 32.0 AU from the Earth.
The TNO is moving 8.0 km/sec on the sky relative to the star, or, 1.2 arcsec/hr.
The 1-sigma error in the time of the event is 275 seconds.
The 1-sigma cross-track error in the shadow position is 1589 km.
The sky-plane scale is 23236.6 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=182.0 km assuming a 5% albedo -- 22.8 sec chord
Diameter=74.3 km assuming a 30% albedo -- 9.3 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 470083, (2022/08/31 10:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.4 +16:33:11  0.8  2.72 136
Bellatrix      05:26:20.9 +06:22:06  1.6 13.08 124
91Sig1Tau      04:40:27.0 +15:50:34  5.3  1.71 136
PPM 120238     04:47:48.2 +15:30:40  8.5  0.37 134
470083         04:46:59.8 +15:11:32 16.2       134
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 3.3 sigma about the mid-time.
The median site spacing is 23.8 km RECON observability=1.0 and success probability=0.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:00:27 -18.6 Dark Down 37.3 116.3 Up 09:45:27 - 10:15:27 7338
Kamloops 09:59:01 -25.5 Dark Down 29.0 101.8 Low 09:44:01 - 10:14:01 7321
Kelowna 09:58:59 -25.9 Dark Down 29.7 102.1 Low 09:43:59 - 10:13:59 7237
Peachland 09:58:58 -26.1 Dark Down 29.6 101.8 Low 09:43:58 - 10:13:58 7230
Summerland 09:58:57 -26.2 Dark Down 29.7 101.8 Low 09:43:57 - 10:13:57 7215
Penticton 09:58:57 -26.2 Dark Down 29.7 101.9 Low 09:43:57 - 10:13:57 7208
Oliver 09:58:54 -26.5 Dark Down 29.8 101.7 Low 09:43:54 - 10:13:54 7176
Victoria 09:58:34 -28.4 Dark Down 27.4 98.1 Low 09:43:34 - 10:13:34 7158
Anarchist Mountain Observatory 09:58:53 -26.6 Dark Down 30.0 101.7 Low 09:43:53 - 10:13:53 7158
Tonasket 09:58:50 -26.9 Dark Down 30.0 101.5 Low 09:43:50 - 10:13:50 7130
Okanogan 09:58:49 -27.2 Dark Down 29.9 101.2 Low 09:43:49 - 10:13:49 7100
Brewster 09:58:47 -27.5 Dark Down 29.8 100.8 Low 09:43:47 - 10:13:47 7077
Manson/Chelan 09:58:43 -27.8 Dark Down 29.6 100.4 Low 09:43:43 - 10:13:43 7062
Wenatchee 09:58:39 -28.3 Dark Down 29.6 100.0 Low 09:43:39 - 10:13:39 7019
Ellensburg 09:58:33 -28.7 Dark Down 29.5 99.6 Low 09:43:33 - 10:13:33 6983
Yakima 09:58:32 -29.1 Dark Down 29.5 99.3 Low 09:43:32 - 10:13:32 6944
Toppenish/White Swan 09:58:29 -29.2 Dark Down 29.7 99.3 Low 09:43:29 - 10:13:29 6922
Pasco 09:58:35 -28.8 Dark Down 30.6 100.3 Up 09:43:35 - 10:13:35 6896
Goldendale 09:58:25 -29.8 Dark Down 29.5 98.7 Low 09:43:25 - 10:13:25 6874
PNWRO 09:58:35 -28.9 Dark Down 30.8 100.3 Up 09:43:35 - 10:13:35 6870
The Dalles 09:58:21 -30.2 Dark Down 29.2 98.3 Low 09:43:21 - 10:13:21 6857
Maupin 09:58:17 -30.5 Dark Down 29.4 98.1 Low 09:43:17 - 10:13:17 6816
Sisters 09:58:11 -31.4 Dark Down 29.1 97.2 Low 09:43:11 - 10:13:11 6737
Redmond 09:58:13 -31.3 Dark Down 29.4 97.5 Low 09:43:13 - 10:13:13 6730
Bend 09:58:12 -31.5 Dark Down 29.3 97.3 Low 09:43:12 - 10:13:12 6711
Oregon Observatory 09:58:09 -31.7 Dark Down 29.3 97.1 Low 09:43:09 - 10:13:09 6696
La Pine/Gilchrist 09:58:07 -31.9 Dark Down 29.2 96.9 Low 09:43:07 - 10:13:07 6677
North Lake 09:58:08 -32.0 Dark Down 29.7 97.1 Low 09:43:08 - 10:13:08 6627
Chiloquin 09:57:57 -33.0 Dark Down 29.1 96.0 Low 09:42:57 - 10:12:57 6573
Paisley 09:58:06 -32.4 Dark Down 30.0 97.1 Up 09:43:06 - 10:13:06 6569
Klamath Falls 09:57:58 -33.3 Dark Down 29.2 95.9 Low 09:42:58 - 10:12:58 6538
Lakeview 09:58:01 -32.7 Dark Down 30.2 96.9 Up 09:43:01 - 10:13:01 6516
Cedarville 09:58:01 -33.2 Dark Down 30.4 96.6 Up 09:43:01 - 10:13:01 6449
Fall River/Burney 09:57:49 -34.1 Dark Down 29.5 95.5 Low 09:42:49 - 10:12:49 6417
Susanville 09:57:51 -34.3 Dark Down 30.2 95.6 Up 09:42:51 - 10:12:51 6344
Greenville 09:57:49 -34.7 Dark Down 30.0 95.2 Low 09:42:49 - 10:12:49 6321
Gimple 09:57:48 -34.6 Dark Down 30.0 95.3 Up 09:42:48 - 10:12:48 6319
Quincy 09:57:47 -34.8 Dark Down 30.0 95.1 Low 09:42:47 - 10:12:47 6300
Portola 09:57:49 -34.7 Dark Down 30.4 95.4 Up 09:42:49 - 10:12:49 6281
Reno 09:57:51 -34.6 Dark Down 30.9 95.7 Up 09:42:51 - 10:12:51 6246
Carson City 09:57:48 -34.9 Dark Down 30.9 95.5 Up 09:42:48 - 10:12:48 6210
Gardnerville 09:57:49 -35.1 Dark Down 31.0 95.4 Up 09:42:49 - 10:12:49 6184
Yerington 09:57:51 -34.8 Dark Down 31.4 95.8 Up 09:42:51 - 10:12:51 6182
Dunrhomin 09:59:26 -26.2 Dark Down 42.0 107.6 Up 09:44:26 - 10:14:26 6181
Hawthorne 09:57:52 -34.9 Dark Down 31.9 95.9 Up 09:42:52 - 10:12:52 6128
Lee Vining 09:57:45 -35.6 Dark Down 31.6 95.2 Up 09:42:45 - 10:12:45 6077
Tonopah 09:57:56 -34.5 Dark Down 33.1 96.5 Up 09:42:56 - 10:12:56 6063
Bishop 09:57:46 -35.7 Dark Down 32.2 95.3 Up 09:42:46 - 10:12:46 6006
Beatty 09:57:54 -35.2 Dark Down 33.6 96.1 Up 09:42:54 - 10:12:54 5939
Indian Springs 09:57:58 -34.9 Dark Down 34.5 96.6 Up 09:42:58 - 10:12:58 5893
Henderson 09:58:00 -34.9 Dark Down 35.1 96.7 Up 09:43:00 - 10:13:00 5829
CPSLO 09:57:22 -38.5 Dark Down 30.4 92.6 Up 09:42:22 - 10:12:22 5824
Patrick 09:58:06 -34.7 Dark Down 36.1 97.0 Up 09:43:06 - 10:13:06 5752
Laughlin/Bullhead City 09:57:59 -35.3 Dark Down 35.5 96.3 Up 09:42:59 - 10:12:59 5734
Kingman/Dolan Springs 09:58:03 -35.0 Dark Down 36.0 96.7 Up 09:43:03 - 10:13:03 5730
Mohave Valley 09:57:56 -35.5 Dark Down 35.5 96.1 Up 09:42:56 - 10:12:56 5705
Wildwood 09:57:26 -38.4 Dark Down 32.2 93.0 Up 09:42:26 - 10:12:26 5670
Lake Havasu City 09:57:59 -35.6 Dark Down 35.8 96.0 Up 09:42:59 - 10:12:59 5660
Parker 09:57:55 -35.9 Dark Down 35.8 95.8 Up 09:42:55 - 10:12:55 5623
Idyllwild 09:57:38 -37.6 Dark Down 33.8 94.0 Up 09:42:38 - 10:12:38 5609
Blythe 09:57:52 -36.4 Dark Down 35.6 95.2 Up 09:42:52 - 10:12:52 5571
George/Scottsdale 09:58:11 -34.7 Dark Down 38.0 97.0 Up 09:43:11 - 10:13:11 5552
Calipatria 09:57:45 -37.3 Dark Down 34.9 94.3 Up 09:42:45 - 10:12:45 5530
Yuma 09:57:45 -37.1 Dark Down 35.7 94.5 Up 09:42:45 - 10:12:45 5474

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, (2022/08/31 10:05UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8  2.72 136
Bellatrix      05:25:07.8 +06:20:58  1.6 13.08 124
91Sig1Tau      04:39:09.2 +15:47:58  5.3  1.71 136
PPM 120238     04:46:30.5 +15:28:18  8.5  0.37 134
470083         04:45:42.3 +15:09:08 16.2       134
Positions are for J2000

Event circumstances last updated at 2021/11/15 00:48:25 UT

Marc W. Buie, Southwest Research Institute

RECON