RECON: TNO occultation with 13VO46

Event between 13VO46 and star GA0960:00291845 with event index number of 2676801

Geocentric closest approach at 2024/01/02 04:00:31 UTC

J2000 position of star is 03:24:57.8 +07:27:49
Equinox of date position of star is 03:26:07.9 +07:32:22
Stellar brightness G=15.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 119 degrees from the moon. Moon is 68% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 34.3 AU from the Sun and 33.7 AU from the Earth.
The TNO is moving 14.5 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 892 seconds.
The 1-sigma cross-track error in the shadow position is 4839 km.
The sky-plane scale is 24441.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.8
Diameter=140.6 km assuming a 5% albedo -- 11.5 sec chord
Diameter=57.4 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 13VO46, (2024/01/02 04:01UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:18.0 +16:33:20  0.8 19.55 100
Menkar         03:03:32.2 +04:10:57  2.5  6.57 125
1Omi Tau       03:26:06.5 +09:06:43  3.6  1.57 119
PPM 146581     03:28:54.9 +07:49:57  7.9  0.72 118
PPM 146539     03:26:24.0 +07:28:35  9.3  0.08 119
13VO46         03:26:15.0 +07:32:49 15.6       119
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 1.0 sigma about the mid-time.
The median site spacing is 23.2 km RECON observability=1.0 and success probability=8.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 04:01:42 -36.6 Dark Down 46.6 167.2 Up 03:46:42 - 04:16:42 4361
Kelowna 04:01:42 -36.6 Dark Down 46.9 166.9 Up 03:46:42 - 04:16:42 4328
Peachland 04:01:44 -36.4 Dark Down 47.0 166.5 Up 03:46:44 - 04:16:44 4318
Summerland 04:01:44 -36.5 Dark Down 47.2 166.6 Up 03:46:44 - 04:16:44 4306
Penticton 04:01:44 -36.5 Dark Down 47.2 166.7 Up 03:46:44 - 04:16:44 4301
Oliver 04:01:44 -36.6 Dark Down 47.6 166.6 Up 03:46:44 - 04:16:44 4271
Anarchist Mountain Observatory 04:01:42 -36.7 Dark Down 47.8 166.8 Up 03:46:42 - 04:16:42 4258
Tonasket 04:01:43 -36.7 Dark Down 48.1 166.7 Up 03:46:43 - 04:16:43 4231
Okanogan 04:01:43 -36.6 Dark Down 48.4 166.4 Up 03:46:43 - 04:16:43 4202
Victoria 04:02:03 -34.2 Dark Down 47.5 161.0 Up 03:47:03 - 04:17:03 4199
Brewster 04:01:44 -36.5 Dark Down 48.6 166.0 Up 03:46:44 - 04:16:44 4178
Manson/Chelan 04:01:47 -36.3 Dark Down 48.8 165.4 Up 03:46:47 - 04:16:47 4159
Wenatchee 04:01:48 -36.3 Dark Down 49.2 165.0 Up 03:46:48 - 04:16:48 4117
Ellensburg 04:01:50 -36.1 Dark Down 49.5 164.6 Up 03:46:50 - 04:16:50 4080
Yakima 04:01:49 -36.2 Dark Down 49.9 164.4 Up 03:46:49 - 04:16:49 4045
Toppenish/White Swan 04:01:49 -36.3 Dark Down 50.2 164.6 Up 03:46:49 - 04:16:49 4027
Pasco 04:01:42 -37.2 Dark Down 50.5 166.5 Up 03:46:42 - 04:16:42 4022
PNWRO 04:01:42 -37.3 Dark Down 50.8 166.7 Up 03:46:42 - 04:16:42 4002
Goldendale 04:01:51 -36.0 Dark Down 50.6 163.8 Up 03:46:51 - 04:16:51 3977
The Dalles 04:01:53 -35.8 Dark Down 50.8 163.2 Up 03:46:53 - 04:16:53 3955
Maupin 04:01:52 -35.9 Dark Down 51.2 163.2 Up 03:46:52 - 04:16:52 3918
Sisters 04:01:56 -35.6 Dark Down 51.9 162.1 Up 03:46:56 - 04:16:56 3838
Redmond 04:01:54 -35.9 Dark Down 52.0 162.7 Up 03:46:54 - 04:16:54 3837
Bend 04:01:54 -35.8 Dark Down 52.2 162.4 Up 03:46:54 - 04:16:54 3818
Oregon Observatory 04:01:56 -35.7 Dark Down 52.4 162.1 Up 03:46:56 - 04:16:56 3801
La Pine/Gilchrist 04:01:56 -35.6 Dark Down 52.5 161.9 Up 03:46:56 - 04:16:56 3783
North Lake 04:01:52 -36.1 Dark Down 53.1 162.7 Up 03:46:52 - 04:16:52 3746
Paisley 04:01:51 -36.4 Dark Down 53.7 163.1 Up 03:46:51 - 04:16:51 3698
Chiloquin 04:01:58 -35.4 Dark Down 53.5 160.9 Up 03:46:58 - 04:16:58 3680
Lakeview 04:01:50 -36.5 Dark Down 54.2 163.2 Up 03:46:50 - 04:16:50 3652
Klamath Falls 04:01:58 -35.5 Dark Down 53.9 160.9 Up 03:46:58 - 04:16:58 3649
Cedarville 04:01:49 -36.6 Dark Down 54.9 163.2 Up 03:46:49 - 04:16:49 3592
Dunrhomin 04:00:24 -47.8 Dark Down 56.9 189.1 Up 03:45:24 - 04:15:24 3572
Fall River/Burney 04:01:56 -35.7 Dark Down 55.1 161.0 Up 03:46:56 - 04:16:56 3541
Susanville 04:01:52 -36.3 Dark Down 55.8 161.9 Up 03:46:52 - 04:16:52 3486
Gimple 04:01:54 -36.1 Dark Down 56.0 161.4 Up 03:46:54 - 04:16:54 3458
Greenville 04:01:54 -36.1 Dark Down 56.0 161.3 Up 03:46:54 - 04:16:54 3458
Quincy 04:01:54 -36.1 Dark Down 56.2 161.2 Up 03:46:54 - 04:16:54 3439
Portola 04:01:51 -36.4 Dark Down 56.4 162.0 Up 03:46:51 - 04:16:51 3430
Reno 04:01:48 -36.9 Dark Down 56.8 163.0 Up 03:46:48 - 04:16:48 3408
Carson City 04:01:48 -36.9 Dark Down 57.2 162.8 Up 03:46:48 - 04:16:48 3374
Yerington 04:01:44 -37.4 Dark Down 57.5 163.9 Up 03:46:44 - 04:16:44 3359
Gardnerville 04:01:48 -36.9 Dark Down 57.4 162.8 Up 03:46:48 - 04:16:48 3351
Hawthorne 04:01:41 -37.8 Dark Down 58.1 164.6 Up 03:46:41 - 04:16:41 3317
Tonopah 04:01:33 -38.9 Dark Down 58.8 167.0 Up 03:46:33 - 04:16:33 3281
Lee Vining 04:01:44 -37.4 Dark Down 58.5 163.5 Up 03:46:44 - 04:16:44 3261
Bishop 04:01:40 -37.9 Dark Down 59.2 164.5 Up 03:46:40 - 04:16:40 3207
Beatty 04:01:30 -39.2 Dark Down 60.0 167.4 Up 03:46:30 - 04:16:30 3172
Indian Springs 04:01:24 -40.1 Dark Down 60.5 169.4 Up 03:46:24 - 04:16:24 3147
Henderson 04:01:19 -40.6 Dark Down 61.1 170.5 Up 03:46:19 - 04:16:19 3099
Patrick 04:01:12 -41.5 Dark Down 61.9 172.6 Up 03:46:12 - 04:16:12 3045
Kingman/Dolan Springs 04:01:13 -41.3 Dark Down 62.1 172.2 Up 03:46:13 - 04:16:13 3022
Laughlin/Bullhead City 04:01:17 -40.9 Dark Down 62.0 171.1 Up 03:46:17 - 04:16:17 3016
CPSLO 04:01:54 -36.1 Dark Down 60.7 159.2 Up 03:46:54 - 04:16:54 2993
Mohave Valley 04:01:17 -40.9 Dark Down 62.3 171.0 Up 03:46:17 - 04:16:17 2989
Lake Havasu City 04:01:15 -41.1 Dark Down 62.7 171.4 Up 03:46:15 - 04:16:15 2951
Parker 04:01:15 -41.1 Dark Down 63.1 171.4 Up 03:46:15 - 04:16:15 2917
George/Scottsdale 04:01:00 -43.1 Dark Down 63.7 176.6 Up 03:46:00 - 04:16:00 2892
Wildwood 04:01:41 -37.6 Dark Down 62.3 162.4 Up 03:46:41 - 04:16:41 2884
Blythe 04:01:17 -40.8 Dark Down 63.6 170.6 Up 03:46:17 - 04:16:17 2862
Idyllwild 04:01:30 -39.1 Dark Down 63.1 166.1 Up 03:46:30 - 04:16:30 2861
Calipatria 04:01:22 -40.0 Dark Down 63.9 168.4 Up 03:46:22 - 04:16:22 2807
Yuma 04:01:16 -40.8 Dark Down 64.5 170.2 Up 03:46:16 - 04:16:16 2769

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 13VO46, (2024/01/02 04:01UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 19.55 100
Menkar         03:02:16.8 +04:05:21  2.5  6.57 125
1Omi Tau       03:24:48.7 +09:01:42  3.6  1.57 119
PPM 146581     03:27:37.7 +07:45:01  7.9  0.72 118
PPM 146539     03:25:07.0 +07:23:36  9.3  0.08 119
13VO46         03:24:57.8 +07:27:49 15.6       119
Positions are for J2000

Event circumstances last updated at 2021/10/20 23:49:09 UT

Marc W. Buie, Southwest Research Institute

RECON