RECON: TNO occultation with 15760

Event between (15760) Albion and star GA1060:00267893 with event index number of 1318740

Geocentric closest approach at 2023/11/06 09:34:07 UTC

J2000 position of star is 02:43:11.4 +17:27:24
Equinox of date position of star is 02:44:28.6 +17:33:13
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 101 degrees from the moon. Moon is 40% illuminated.
Apparent brightness V=23.3

[RECON map]
Object is 41.6 AU from the Sun and 40.6 AU from the Earth.
Apparent velocity is 25.3 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 335 seconds.
The 1-sigma cross-track error in the shadow position is 4308 km.
The sky-plane scale is 29430.1 km/arcsec.

The object has an absolute magnitude Hv=7.2
Diameter=208.9 km assuming a 5% albedo -- 8.7 sec chord
Diameter=85.3 km assuming a 30% albedo -- 3.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 15760, (2023/11/06 09:38UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:17.5 +16:33:19  0.8 26.95  76
Hamal          02:08:31.4 +23:34:27  2.0 10.35 106
36 Ari         02:45:39.3 +17:51:49  6.4  0.41 101
PPM 118466     02:43:22.4 +17:51:27  8.3  0.41 101
PPM 118485     02:44:59.0 +17:38:55  8.6  0.14 101
15760          02:44:31.3 +17:33:25 15.5       101
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 2.7 sigma about the mid-time.
The median site spacing is 35.4 km RECON observability=1.0 and success probability=11.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:31:44 -41.4 Dark Up 42.5 239.1 Up 09:16:44 - 09:46:44 4253
Kamloops 09:32:16 -49.2 Dark Up 50.3 223.2 Up 09:17:16 - 09:47:16 4197
Kelowna 09:32:14 -49.4 Dark Up 50.5 225.0 Up 09:17:14 - 09:47:14 4109
Peachland 09:32:15 -49.6 Dark Up 50.7 224.7 Up 09:17:15 - 09:47:15 4100
Summerland 09:32:14 -49.6 Dark Up 50.8 225.0 Up 09:17:14 - 09:47:14 4085
Penticton 09:32:13 -49.6 Dark Up 50.8 225.2 Up 09:17:13 - 09:47:13 4077
Oliver 09:32:13 -49.9 Dark Up 51.0 225.5 Up 09:17:13 - 09:47:13 4042
Anarchist Mountain Observatory 09:32:13 -49.9 Dark Up 51.0 225.9 Up 09:17:13 - 09:47:13 4024
Victoria 09:32:23 -52.1 Dark Up 53.2 220.8 Up 09:17:23 - 09:47:23 4016
Okanogan 09:32:13 -50.5 Dark Up 51.6 226.2 Up 09:17:13 - 09:47:13 3961
Brewster 09:32:14 -50.8 Dark Up 51.9 226.2 Up 09:17:14 - 09:47:14 3936
Manson/Chelan 09:32:15 -51.1 Dark Up 52.2 225.9 Up 09:17:15 - 09:47:15 3919
Wenatchee 09:32:15 -51.5 Dark Up 52.6 226.1 Up 09:17:15 - 09:47:15 3873
Ellensburg 09:32:15 -51.9 Dark Up 53.0 226.2 Up 09:17:15 - 09:47:15 3833
Yakima 09:32:15 -52.2 Dark Up 53.3 226.5 Up 09:17:15 - 09:47:15 3792
Toppenish/White Swan 09:32:15 -52.3 Dark Up 53.4 227.0 Up 09:17:15 - 09:47:15 3769
PNWRO 09:32:11 -51.8 Dark Up 52.8 229.3 Up 09:17:11 - 09:47:11 3717
The Dalles 09:32:17 -53.2 Dark Up 54.3 226.7 Up 09:17:17 - 09:47:17 3698
Maupin 09:32:17 -53.5 Dark Up 54.5 227.3 Up 09:17:17 - 09:47:17 3654
Sisters 09:32:18 -54.3 Dark Up 55.4 227.5 Up 09:17:18 - 09:47:18 3570
Bend 09:32:17 -54.4 Dark Up 55.4 228.1 Up 09:17:17 - 09:47:17 3543
Oregon Observatory 09:32:17 -54.6 Dark Up 55.6 228.1 Up 09:17:17 - 09:47:17 3526
Chiloquin 09:32:18 -55.7 Dark Up 56.7 229.0 Up 09:17:18 - 09:47:18 3395
Klamath Falls 09:32:18 -55.9 Dark Up 56.9 229.5 Up 09:17:18 - 09:47:18 3359
Cedarville 09:32:13 -55.5 Dark Up 56.4 232.5 Up 09:17:13 - 09:47:13 3268
Fall River/Burney 09:32:17 -56.5 Dark Up 57.4 231.5 Up 09:17:17 - 09:47:17 3231
Greenville 09:32:15 -56.8 Dark Up 57.7 233.2 Up 09:17:15 - 09:47:15 3131
Gimple 09:32:16 -56.7 Dark Up 57.6 233.3 Up 09:17:16 - 09:47:16 3130
Quincy 09:32:16 -56.9 Dark Up 57.8 233.5 Up 09:17:16 - 09:47:16 3109
Portola 09:32:14 -56.7 Dark Up 57.6 234.3 Up 09:17:14 - 09:47:14 3091
Reno 09:32:12 -56.5 Dark Up 57.3 235.5 Up 09:17:12 - 09:47:12 3055
Dunrhomin 09:31:31 -46.4 Dark Up 47.1 250.5 Up 09:16:31 - 09:46:31 3034
Carson City 09:32:12 -56.7 Dark Up 57.5 236.0 Up 09:17:12 - 09:47:12 3017
Nikitin 09:31:31 -46.5 Dark Up 47.2 250.7 Up 09:16:31 - 09:46:31 3014
CU-SBO 09:31:31 -46.6 Dark Up 47.3 250.7 Up 09:16:31 - 09:46:31 3007
Gardnerville 09:32:12 -56.8 Dark Up 57.6 236.3 Up 09:17:12 - 09:47:12 2991
Yerington 09:32:09 -56.4 Dark Up 57.2 237.0 Up 09:17:09 - 09:47:09 2990
Hawthorne 09:32:08 -56.3 Dark Up 57.1 238.3 Up 09:17:08 - 09:47:08 2935
Lee Vining 09:32:10 -57.0 Dark Up 57.7 238.4 Up 09:17:10 - 09:47:10 2880
Bishop 09:32:08 -56.8 Dark Up 57.6 240.1 Up 09:17:08 - 09:47:08 2808
Beatty 09:32:03 -55.9 Dark Up 56.7 242.7 Up 09:17:03 - 09:47:03 2742
Patrick 09:31:54 -54.6 Dark Up 55.2 247.8 Up 09:16:54 - 09:46:54 2556
Laughlin/Bullhead City 09:31:55 -55.2 Dark Up 55.8 247.4 Up 09:16:55 - 09:46:55 2536
Lake Havasu City 09:31:55 -55.3 Dark Up 55.9 248.6 Up 09:16:55 - 09:46:55 2460
Wildwood 09:32:08 -58.6 Dark Up 59.2 244.6 Up 09:17:08 - 09:47:08 2458
Idyllwild 09:32:02 -57.4 Dark Up 58.0 247.2 Up 09:17:02 - 09:47:02 2400
George/Scottsdale 09:31:47 -53.7 Dark Up 54.2 252.0 Up 09:16:47 - 09:46:47 2357
Calipatria 09:31:58 -56.7 Dark Up 57.3 249.3 Up 09:16:58 - 09:46:58 2322
Yuma 09:31:55 -56.2 Dark Up 56.7 250.8 Up 09:16:55 - 09:46:55 2267

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 15760, (2023/11/06 09:38UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 26.95  76
Hamal          02:07:10.7 +23:27:41  2.0 10.35 106
36 Ari         02:44:19.2 +17:45:49  6.4  0.41 101
PPM 118466     02:42:02.4 +17:45:24  8.3  0.41 101
PPM 118485     02:43:39.0 +17:32:55  8.6  0.14 101
15760          02:43:11.4 +17:27:24 15.5       101
Positions are for J2000

Event circumstances last updated at 2023/01/11 04:40:27 UT

Marc W. Buie, Southwest Research Institute

RECON