RECON: TNO occultation with 13JP64

Event between 13JP64 and star GA0780:06180752 with event index number of 2059528

Geocentric closest approach at 2023/08/06 05:36:57 UTC

J2000 position of star is 17:19:14.2 -11:37:45
Equinox of date position of star is 17:20:33.0 -11:39:07
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 116 degrees from the moon. Moon is 73% illuminated.
Apparent brightness V=23.7

[RECON map]
Object is 33.3 AU from the Sun and 32.7 AU from the Earth.
Apparent velocity is 11.9 km/sec on the sky relative to the star, or, 1.8 arcsec/hr.
The 1-sigma error in the time of the event is 548 seconds.
The 1-sigma cross-track error in the shadow position is 2054 km.
The sky-plane scale is 23710.2 km/arcsec.

The object has an absolute magnitude Hv=8.4
Diameter=123.6 km assuming a 5% albedo -- 10.4 sec chord
Diameter=50.5 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 13JP64, (2023/08/06 05:37UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:51.5 -26:28:56  0.9 18.89 126
35Eta Oph      17:11:44.0 -15:45:09  2.6  4.63 118
53Nu Ser       17:22:09.4 -12:52:08  4.0  1.28 115
PPM 232911     17:20:28.8 -12:00:32  8.4  0.36 116
PPM 232924     17:21:09.4 -11:37:59  9.4  0.15 115
13JP64         17:20:33.1 -11:39:07 15.5       115
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 1.6 sigma about the mid-time.
The median site spacing is 20.8 km RECON observability=1.0 and success probability=5.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 05:33:22 -14.6 AT Down 25.8 199.3 Low 05:18:22 - 05:48:22 4923
Victoria 05:33:37 -15.0 AT Down 28.5 196.4 Low 05:18:37 - 05:48:37 4862
Kelowna 05:33:17 -15.6 AT Down 26.4 200.4 Low 05:18:17 - 05:48:17 4857
Peachland 05:33:18 -15.5 AT Down 26.6 200.1 Low 05:18:18 - 05:48:18 4857
Summerland 05:33:19 -15.7 AT Down 26.7 200.2 Low 05:18:19 - 05:48:19 4846
Penticton 05:33:18 -15.8 AT Down 26.7 200.3 Low 05:18:18 - 05:48:18 4839
Oliver 05:33:16 -16.1 AT Down 27.1 200.4 Low 05:18:16 - 05:48:16 4818
Anarchist Mountain Observatory 05:33:16 -16.3 AT Down 27.2 200.6 Low 05:18:16 - 05:48:16 4804
Okanogan 05:33:17 -16.7 AT Down 27.8 200.5 Low 05:18:17 - 05:48:17 4770
Brewster 05:33:18 -16.8 AT Down 28.1 200.3 Low 05:18:18 - 05:48:18 4757
Manson/Chelan 05:33:19 -16.9 AT Down 28.4 200.0 Low 05:18:19 - 05:48:19 4753
Wenatchee 05:33:21 -17.2 AT Down 28.9 199.9 Low 05:18:21 - 05:48:21 4727
Ellensburg 05:33:20 -17.4 AT Down 29.3 199.7 Low 05:18:20 - 05:48:20 4706
Sleaford 05:32:15 -18.0 AT Up 20.6 213.5 Low 05:17:15 - 05:47:15 4700
Yakima 05:33:21 -17.7 AT Down 29.7 199.8 Low 05:18:21 - 05:48:21 4681
Toppenish/White Swan 05:33:20 -17.9 AT Down 29.9 200.0 Low 05:18:20 - 05:48:20 4663
The Dalles 05:33:23 -18.2 Dark Down 30.8 199.3 Up 05:18:23 - 05:48:23 4632
PNWRO 05:33:11 -18.9 Dark Down 29.9 201.7 Low 05:18:11 - 05:48:11 4606
Maupin 05:33:23 -18.6 Dark Down 31.2 199.5 Up 05:18:23 - 05:48:23 4602
Sisters 05:33:25 -19.0 Dark Down 32.1 199.1 Up 05:18:25 - 05:48:25 4556
Bend 05:33:24 -19.3 Dark Down 32.3 199.5 Up 05:18:24 - 05:48:24 4534
Oregon Observatory 05:33:23 -19.4 Dark Down 32.5 199.4 Up 05:18:23 - 05:48:23 4526
Chiloquin 05:33:27 -20.2 Dark Down 33.8 199.2 Up 05:18:27 - 05:48:27 4447
Klamath Falls 05:33:25 -20.5 Dark Down 34.1 199.4 Up 05:18:25 - 05:48:25 4421
Cedarville 05:33:16 -21.8 Dark Down 34.4 201.3 Up 05:18:16 - 05:48:16 4334
Fall River/Burney 05:33:25 -21.6 Dark Down 35.1 200.1 Up 05:18:25 - 05:48:25 4329
Greenville 05:33:20 -22.5 Dark Down 35.9 200.8 Up 05:18:20 - 05:48:20 4253
Gimple 05:33:20 -22.5 Dark Down 35.8 200.9 Up 05:18:20 - 05:48:20 4251
Quincy 05:33:20 -22.6 Dark Down 36.0 200.8 Up 05:18:20 - 05:48:20 4238
Portola 05:33:17 -22.9 Dark Down 36.0 201.4 Up 05:18:17 - 05:48:17 4218
Reno 05:33:13 -23.5 Dark Down 36.1 202.2 Up 05:18:13 - 05:48:13 4182
Carson City 05:33:13 -23.8 Dark Down 36.4 202.4 Up 05:18:13 - 05:48:13 4155
Gardnerville 05:33:12 -24.0 Dark Down 36.6 202.5 Up 05:18:12 - 05:48:12 4135
Yerington 05:33:09 -24.2 Dark Down 36.4 203.1 Up 05:18:09 - 05:48:09 4124
Hawthorne 05:33:04 -24.8 Dark Down 36.7 203.8 Up 05:18:04 - 05:48:04 4076
Lee Vining 05:33:09 -25.0 Dark Down 37.4 203.5 Up 05:18:09 - 05:48:09 4046
Bishop 05:33:02 -25.8 Dark Down 37.7 204.5 Up 05:18:02 - 05:48:02 3981
Beatty 05:32:52 -27.0 Dark Up 37.5 206.5 Up 05:17:52 - 05:47:52 3902
Dunrhomin 05:31:46 -28.9 Dark Up 30.0 217.4 Up 05:16:46 - 05:46:46 3854
Nikitin 05:31:44 -29.0 Dark Up 30.2 217.4 Up 05:16:44 - 05:46:44 3840
CU-SBO 05:31:47 -29.1 Dark Up 30.3 217.4 Up 05:16:47 - 05:46:47 3837
Wildwood 05:33:04 -28.2 Dark Down 40.7 205.4 Up 05:18:04 - 05:48:04 3729
Patrick 05:32:34 -29.5 Dark Up 37.8 210.2 Up 05:17:34 - 05:47:34 3705
Laughlin/Bullhead City 05:32:38 -29.4 Dark Up 38.3 209.5 Up 05:17:38 - 05:47:38 3705
Idyllwild 05:32:53 -29.5 Dark Down 40.4 207.7 Up 05:17:53 - 05:47:53 3648
Lake Havasu City 05:32:36 -30.1 Dark Up 38.8 210.1 Up 05:17:36 - 05:47:36 3643
Calipatria 05:32:44 -30.6 Dark Up 40.4 209.3 Up 05:17:44 - 05:47:44 3564
George/Scottsdale 05:32:20 -31.9 Dark Up 38.4 213.1 Up 05:17:20 - 05:47:20 3510
Yuma 05:32:37 -31.4 Dark Up 40.4 210.5 Up 05:17:37 - 05:47:37 3503

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 13JP64, (2023/08/06 05:37UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 18.89 126
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.63 118
53Nu Ser       17:20:49.7 -12:50:49  4.0  1.28 115
PPM 232911     17:19:09.7 -11:59:09  8.4  0.36 116
PPM 232924     17:19:50.5 -11:36:38  9.4  0.15 115
13JP64         17:19:14.2 -11:37:45 15.5       116
Positions are for J2000

Event circumstances last updated at 2023/07/28 03:52:21 UT

Marc W. Buie, Southwest Research Institute

RECON