RECON: TNO occultation with 15788

Event between (15788) 93SB and star GA1140:00927894 with event index number of 1299633

Geocentric closest approach at 2023/12/24 12:44:06 UTC

J2000 position of star is 05:00:50.3 +24:44:36
Equinox of date position of star is 05:02:14.7 +24:46:32
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 14 degrees from the moon. Moon is 93% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 26.8 AU from the Sun and 25.8 AU from the Earth.
Apparent velocity is 22.5 km/sec on the sky relative to the star, or, 4.3 arcsec/hr.
The 1-sigma error in the time of the event is 174 seconds.
The 1-sigma cross-track error in the shadow position is 1301 km.
The sky-plane scale is 18720.3 km/arcsec.

The object has an absolute magnitude Hv=7.9
Diameter=154.9 km assuming a 5% albedo -- 6.9 sec chord
Diameter=63.2 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 15788, (2023/12/24 12:41UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.0 +16:33:20  0.8 10.09  11
Alnath         05:27:48.6 +28:37:32  1.6  6.87  20
98 Tau         04:59:37.6 +25:05:07  5.8  0.68  14
PPM 093936     05:00:20.6 +24:31:50  8.4  0.51  14
PPM 093980     05:03:05.6 +24:40:05  8.8  0.21  14
15788          05:02:18.4 +24:46:37 15.8        15
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 5.2 sigma about the mid-time.
The median site spacing is 0.0 km RECON observability=0.0 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 12:40:51 -21.6 Dark Up 12.4 294.5 Really Low 12:25:51 - 12:55:51 8128
Kamloops 12:40:44 -30.4 Dark Up 20.5 284.4 Low 12:25:44 - 12:55:44 7605
Kelowna 12:40:42 -29.9 Dark Up 19.7 285.3 Really Low 12:25:42 - 12:55:42 7569
Peachland 12:40:41 -30.0 Dark Up 19.9 285.2 Really Low 12:25:41 - 12:55:41 7552
Summerland 12:40:41 -30.0 Dark Up 19.8 285.3 Really Low 12:25:41 - 12:55:41 7544
Penticton 12:40:40 -29.9 Dark Up 19.7 285.4 Really Low 12:25:40 - 12:55:40 7542
Oliver 12:40:39 -29.9 Dark Up 19.6 285.5 Really Low 12:25:39 - 12:55:39 7515
Anarchist Mountain Observatory 12:40:39 -29.8 Dark Up 19.4 285.7 Really Low 12:25:39 - 12:55:39 7508
Okanogan 12:40:37 -29.9 Dark Up 19.4 285.8 Really Low 12:25:37 - 12:55:37 7451
Brewster 12:40:36 -30.0 Dark Up 19.5 285.7 Really Low 12:25:36 - 12:55:36 7424
Manson/Chelan 12:40:35 -30.3 Dark Up 19.7 285.5 Really Low 12:25:35 - 12:55:35 7396
Wenatchee 12:40:34 -30.4 Dark Up 19.6 285.6 Really Low 12:25:34 - 12:55:34 7353
Victoria 12:40:39 -32.4 Dark Up 21.9 283.1 Low 12:25:39 - 12:55:39 7348
Ellensburg 12:40:32 -30.5 Dark Up 19.7 285.6 Really Low 12:25:32 - 12:55:32 7314
Dunrhomin 12:40:14 -18.5 Dark Down 6.9 296.7 Really Low 12:25:14 - 12:55:14 7307
Nikitin 12:40:13 -18.5 Dark Down 6.9 296.7 Really Low 12:25:13 - 12:55:13 7292
PNWRO 12:40:29 -29.3 Dark Up 18.3 287.0 Really Low 12:25:29 - 12:55:29 7287
CU-SBO 12:40:13 -18.5 Dark Down 6.9 296.7 Really Low 12:25:13 - 12:55:13 7284
Yakima 12:40:32 -30.5 Dark Up 19.6 285.7 Really Low 12:25:32 - 12:55:32 7281
Toppenish/White Swan 12:40:31 -30.4 Dark Up 19.4 285.9 Really Low 12:25:31 - 12:55:31 7269
The Dalles 12:40:28 -30.9 Dark Up 19.7 285.6 Really Low 12:25:28 - 12:55:28 7181
Maupin 12:40:27 -30.8 Dark Up 19.6 285.8 Really Low 12:25:27 - 12:55:27 7150
Sisters 12:40:25 -31.1 Dark Up 19.7 285.8 Really Low 12:25:25 - 12:55:25 7062
Bend 12:40:23 -30.9 Dark Up 19.4 286.0 Really Low 12:25:23 - 12:55:23 7050
Oregon Observatory 12:40:23 -31.0 Dark Up 19.5 286.0 Really Low 12:25:23 - 12:55:23 7032
Chiloquin 12:40:19 -31.2 Dark Up 19.4 286.2 Really Low 12:25:19 - 12:55:19 6907
Klamath Falls 12:40:18 -31.1 Dark Up 19.3 286.4 Really Low 12:25:18 - 12:55:18 6880
Cedarville 12:40:16 -29.9 Dark Up 17.9 287.5 Really Low 12:25:16 - 12:55:16 6876
Fall River/Burney 12:40:15 -30.7 Dark Up 18.6 287.0 Really Low 12:25:15 - 12:55:15 6792
Gimple 12:40:12 -30.3 Dark Up 18.0 287.6 Really Low 12:25:12 - 12:55:12 6732
Greenville 12:40:12 -30.3 Dark Up 18.1 287.5 Really Low 12:25:12 - 12:55:12 6729
Portola 12:40:11 -29.9 Dark Up 17.6 287.9 Really Low 12:25:11 - 12:55:11 6718
Reno 12:40:10 -29.4 Dark Up 17.1 288.3 Really Low 12:25:10 - 12:55:10 6717
Quincy 12:40:12 -30.3 Dark Up 18.0 287.6 Really Low 12:25:12 - 12:55:12 6712
Yerington 12:40:08 -28.8 Dark Up 16.4 288.8 Really Low 12:25:08 - 12:55:08 6693
Carson City 12:40:10 -29.3 Dark Up 16.9 288.4 Really Low 12:25:10 - 12:55:10 6687
Hawthorne 12:40:07 -28.3 Dark Up 15.9 289.3 Really Low 12:25:07 - 12:55:07 6671
Gardnerville 12:40:08 -29.3 Dark Up 16.8 288.5 Really Low 12:25:08 - 12:55:08 6667
Lee Vining 12:40:05 -28.7 Dark Up 16.0 289.1 Really Low 12:25:05 - 12:55:05 6604
Beatty 12:40:02 -26.6 Dark Up 13.9 290.7 Really Low 12:25:02 - 12:55:02 6598
Bishop 12:40:03 -28.0 Dark Up 15.3 289.7 Really Low 12:25:03 - 12:55:03 6578
Patrick 12:39:58 -24.1 Dark Down 11.2 292.5 Really Low 12:24:58 - 12:54:58 6577
Laughlin/Bullhead City 12:39:58 -24.6 Dark Down 11.7 292.2 Really Low 12:24:58 - 12:54:58 6528
George/Scottsdale 12:39:55 -22.1 Dark Down 9.0 293.8 Really Low 12:24:55 - 12:54:55 6506
Lake Havasu City 12:39:56 -24.2 Dark Down 11.2 292.4 Really Low 12:24:56 - 12:54:56 6478
Idyllwild 12:39:55 -26.0 Dark Up 12.8 291.4 Really Low 12:24:55 - 12:54:55 6318
Calipatria 12:39:53 -24.9 Dark Down 11.6 292.1 Really Low 12:24:53 - 12:54:53 6309
Yuma 12:39:52 -24.1 Dark Down 10.8 292.6 Really Low 12:24:52 - 12:54:52 6305
Wildwood 12:39:55 -27.6 Dark Up 14.4 290.4 Really Low 12:24:55 - 12:54:55 6278

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 15788, (2023/12/24 12:41UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 10.09  11
Alnath         05:26:17.5 +28:36:23  1.6  6.87  20
98 Tau         04:58:09.4 +25:03:00  5.8  0.68  14
PPM 093936     04:58:52.8 +24:29:45  8.4  0.51  14
PPM 093980     05:01:37.7 +24:38:06  8.8  0.21  14
15788          05:00:50.3 +24:44:36 15.8        14
Positions are for J2000

Event circumstances last updated at 2022/12/24 03:58:08 UT

Marc W. Buie, Southwest Research Institute

RECON