RECON: TNO occultation with 15BG568

Event between 15BG568 and star GA0900:03536501 with event index number of 2642472

Geocentric closest approach at 2023/01/10 05:07:46 UTC

J2000 position of star is 09:17:48.7 +00:38:54
Equinox of date position of star is 09:18:57.2 +00:33:16
Stellar brightness G=16.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon. Moon is 91% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 37.4 AU from the Sun and 36.6 AU from the Earth.
The TNO is moving 20.6 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 134 seconds.
The 1-sigma cross-track error in the shadow position is 1554 km.
The sky-plane scale is 26510.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=276.7 km assuming a 5% albedo -- 13.4 sec chord
Diameter=113.0 km assuming a 30% albedo -- 5.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 15BG568, (2023/01/10 05:09UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:35.8 +11:51:14  1.3 16.89   7
Alphard        09:28:43.1 -08:45:34  2.0  9.62  27
22The Hya      09:15:33.7 +02:12:58  3.9  1.87  19
PPM 155653     09:18:43.9 +00:27:26  7.1  0.11  20
15BG568        09:18:59.8 +00:33:03 16.2        19
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 0.0 km RECON observability=0.1 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 05:11:32 -52.2 Dark Up 19.5 115.8 Really Low 04:59:52 - 05:23:11 8967
Kamloops 05:11:55 -45.3 Dark Up 11.6 103.4 Really Low 05:00:15 - 05:23:34 8730
Kelowna 05:11:56 -46.2 Dark Up 12.3 104.0 Really Low 05:00:16 - 05:23:35 8661
Peachland 05:11:56 -46.0 Dark Up 12.2 103.7 Really Low 05:00:17 - 05:23:36 8649
Summerland 05:11:56 -46.1 Dark Up 12.3 103.7 Really Low 05:00:17 - 05:23:36 8636
Penticton 05:11:57 -46.2 Dark Up 12.4 103.8 Really Low 05:00:17 - 05:23:36 8630
Oliver 05:11:57 -46.4 Dark Up 12.4 103.8 Really Low 05:00:18 - 05:23:37 8598
Anarchist Mountain Observatory 05:11:57 -46.6 Dark Up 12.6 103.9 Really Low 05:00:18 - 05:23:37 8583
Tonasket 05:11:58 -46.6 Dark Up 12.6 103.7 Really Low 05:00:19 - 05:23:38 8554
Okanogan 05:11:59 -46.7 Dark Up 12.6 103.6 Really Low 05:00:20 - 05:23:39 8521
Victoria 05:12:02 -44.2 Dark Up 10.1 100.6 Really Low 05:00:23 - 05:23:42 8516
Brewster 05:12:01 -46.7 Dark Up 12.6 103.3 Really Low 05:00:21 - 05:23:40 8495
Manson/Chelan 05:12:02 -46.5 Dark Up 12.4 103.0 Really Low 05:00:22 - 05:23:41 8473
Wenatchee 05:12:03 -46.6 Dark Up 12.4 102.8 Really Low 05:00:23 - 05:23:42 8427
Ellensburg 05:12:04 -46.6 Dark Up 12.3 102.5 Really Low 05:00:24 - 05:23:43 8387
Yakima 05:12:07 -46.7 Dark Up 12.4 102.4 Really Low 05:00:27 - 05:23:46 8348
Toppenish/White Swan 05:12:06 -46.9 Dark Up 12.6 102.5 Really Low 05:00:27 - 05:23:46 8328
PNWRO 05:12:07 -48.0 Dark Up 13.7 103.6 Really Low 05:00:28 - 05:23:47 8302
Goldendale 05:12:07 -46.8 Dark Up 12.4 102.1 Really Low 05:00:28 - 05:23:47 8273
The Dalles 05:12:08 -46.6 Dark Up 12.2 101.8 Really Low 05:00:29 - 05:23:48 8249
Maupin 05:12:09 -46.8 Dark Up 12.3 101.8 Really Low 05:00:30 - 05:23:49 8209
Sisters 05:12:13 -46.7 Dark Up 12.2 101.2 Really Low 05:00:34 - 05:23:53 8121
Bend 05:12:12 -47.0 Dark Up 12.4 101.4 Really Low 05:00:33 - 05:23:52 8099
Oregon Observatory 05:12:14 -46.9 Dark Up 12.4 101.2 Really Low 05:00:34 - 05:23:53 8081
North Lake 05:12:13 -47.5 Dark Up 12.9 101.5 Really Low 05:00:34 - 05:23:53 8022
Chiloquin 05:12:16 -47.0 Dark Up 12.3 100.7 Really Low 05:00:36 - 05:23:55 7949
Lakeview 05:12:15 -48.1 Dark Up 13.5 101.6 Really Low 05:00:36 - 05:23:55 7920
Klamath Falls 05:12:17 -47.1 Dark Up 12.4 100.6 Really Low 05:00:37 - 05:23:56 7915
Dunrhomin 05:11:54 -59.4 Dark Up 24.9 112.1 Low 05:00:14 - 05:23:33 7871
Cedarville 05:12:18 -48.4 Dark Up 13.8 101.6 Really Low 05:00:38 - 05:23:57 7856
CU-SBO 05:11:55 -59.5 Dark Up 24.9 111.9 Low 05:00:15 - 05:23:34 7845
Fall River/Burney 05:12:19 -47.7 Dark Up 13.0 100.7 Really Low 05:00:39 - 05:23:58 7800
Susanville 05:12:19 -48.4 Dark Up 13.6 101.0 Really Low 05:00:40 - 05:23:59 7741
Gimple 05:12:20 -48.3 Dark Up 13.5 100.8 Really Low 05:00:40 - 05:23:59 7711
Greenville 05:12:20 -48.2 Dark Up 13.5 100.8 Really Low 05:00:40 - 05:23:59 7711
Quincy 05:12:20 -48.2 Dark Up 13.5 100.7 Really Low 05:00:41 - 05:24:00 7690
Portola 05:12:20 -48.6 Dark Up 13.9 101.0 Really Low 05:00:41 - 05:24:00 7681
Reno 05:12:20 -49.2 Dark Up 14.4 101.4 Really Low 05:00:40 - 05:23:59 7658
Carson City 05:12:21 -49.3 Dark Up 14.5 101.3 Really Low 05:00:41 - 05:24:00 7622
Yerington 05:12:20 -49.8 Dark Up 15.0 101.7 Really Low 05:00:40 - 05:23:59 7607
Gardnerville 05:12:21 -49.4 Dark Up 14.6 101.3 Really Low 05:00:41 - 05:24:00 7597
Hawthorne 05:12:20 -50.3 Dark Up 15.5 101.9 Really Low 05:00:41 - 05:24:00 7563
Tonopah 05:12:19 -51.5 Dark Up 16.7 102.7 Really Low 05:00:40 - 05:23:59 7526
Lee Vining 05:12:22 -50.0 Dark Up 15.3 101.4 Really Low 05:00:43 - 05:24:02 7502
Bishop 05:12:23 -50.7 Dark Up 16.0 101.7 Really Low 05:00:43 - 05:24:02 7446
Beatty 05:12:20 -52.1 Dark Up 17.3 102.7 Really Low 05:00:41 - 05:24:00 7411
Indian Springs 05:12:19 -53.0 Dark Up 18.2 103.3 Really Low 05:00:40 - 05:23:59 7387
Henderson 05:12:19 -53.6 Dark Up 18.9 103.6 Really Low 05:00:40 - 05:23:59 7337
Patrick 05:12:18 -54.7 Dark Up 19.9 104.1 Really Low 05:00:39 - 05:23:58 7283
Kingman/Dolan Springs 05:12:19 -54.6 Dark Up 19.9 103.9 Really Low 05:00:40 - 05:23:59 7258
Laughlin/Bullhead City 05:12:19 -54.1 Dark Up 19.4 103.5 Really Low 05:00:40 - 05:23:59 7251
Mohave Valley 05:12:20 -54.2 Dark Up 19.5 103.4 Really Low 05:00:40 - 05:23:59 7222
Lake Havasu City 05:12:20 -54.5 Dark Up 19.8 103.5 Really Low 05:00:40 - 05:23:59 7183
Parker 05:12:21 -54.6 Dark Up 19.9 103.4 Really Low 05:00:41 - 05:24:00 7147
George/Scottsdale 05:12:17 -56.6 Dark Up 22.0 104.7 Low 05:00:37 - 05:23:56 7127
Wildwood 05:12:28 -51.1 Dark Up 16.5 100.7 Really Low 05:00:48 - 05:24:07 7104
Idyllwild 05:12:25 -52.7 Dark Up 18.1 101.7 Really Low 05:00:45 - 05:24:04 7082
Calipatria 05:12:24 -53.7 Dark Up 19.1 102.3 Really Low 05:00:45 - 05:24:04 7028
Yuma 05:12:23 -54.5 Dark Up 20.0 102.6 Really Low 05:00:43 - 05:24:02 6991

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 15BG568, (2023/01/10 05:09UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:21.9 +11:58:02  1.3 16.89   7
Alphard        09:27:35.2 -08:39:30  2.0  9.62  27
22The Hya      09:14:22.1 +02:18:45  3.9  1.87  19
PPM 155653     09:17:32.9 +00:33:17  7.1  0.11  20
15BG568        09:17:48.7 +00:38:54 16.2        20
Positions are for J2000

Event circumstances last updated at 2022/03/12 01:50:44 UT

Marc W. Buie, Southwest Research Institute

RECON