RECON: TNO occultation with 15875

Event between (15875) 96TP66 and star GA1160:02522559 with event index number of 1388109

Geocentric closest approach at 2024/12/01 10:47:05 UTC

J2000 position of star is 06:45:50.4 +26:35:46
Equinox of date position of star is 06:47:13.3 +26:34:16
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 152 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 31.1 AU from the Sun and 30.2 AU from the Earth.
The TNO is moving 20.4 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 372 seconds.
The 1-sigma cross-track error in the shadow position is 2019 km.
The sky-plane scale is 21934.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 10.0 sec chord
Diameter=83.4 km assuming a 30% albedo -- 4.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 15875, (2024/12/01 10:47UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.4 +27:57:50  1.1 13.28 139
Alhena         06:39:09.1 +16:22:33  1.9 10.37 150
54 Aur         06:41:07.4 +28:14:19  5.8  2.17 153
PPM 096583     06:50:43.6 +27:09:37  6.6  0.95 151
PPM 096535     06:48:43.6 +26:31:56  9.2  0.30 151
PPM 096507     06:47:19.8 +26:45:40 10.6  0.19 152
15875          06:47:23.3 +26:34:05 14.1       151
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 2.4 sigma about the mid-time.
The median site spacing is 28.2 km RECON observability=1.0 and success probability=29.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 10:46:01 -36.4 Dark Down 58.4 225.9 Up 10:31:01 - 11:01:01 854
Kamloops 10:46:43 -45.4 Dark Down 64.6 202.6 Up 10:31:43 - 11:01:43 487
Kelowna 10:46:40 -45.1 Dark Down 65.1 205.1 Up 10:31:40 - 11:01:40 418
Peachland 10:46:40 -45.4 Dark Down 65.3 204.6 Up 10:31:40 - 11:01:40 403
Summerland 10:46:40 -45.4 Dark Down 65.4 204.9 Up 10:31:40 - 11:01:40 389
Penticton 10:46:39 -45.3 Dark Down 65.4 205.2 Up 10:31:39 - 11:01:39 384
Oliver 10:46:39 -45.4 Dark Down 65.7 205.6 Up 10:31:39 - 11:01:39 349
Anarchist Mountain Observatory 10:46:38 -45.4 Dark Down 65.8 206.1 Up 10:31:38 - 11:01:38 335
Tonasket 10:46:38 -45.5 Dark Down 66.1 206.3 Up 10:31:38 - 11:01:38 303
Okanogan 10:46:38 -45.8 Dark Down 66.5 206.3 Up 10:31:38 - 11:01:38 267
Brewster 10:46:38 -46.0 Dark Down 66.8 206.1 Up 10:31:38 - 11:01:38 237
Victoria 10:46:51 -48.0 Dark Down 67.3 197.9 Up 10:31:51 - 11:01:51 234
Manson/Chelan 10:46:39 -46.3 Dark Down 67.1 205.6 Up 10:31:39 - 11:01:39 211
Wenatchee 10:46:39 -46.6 Dark Down 67.6 205.7 Up 10:31:39 - 11:01:39 161
Ellensburg 10:46:40 -46.8 Dark Down 68.0 205.6 Up 10:31:40 - 11:01:40 116
Yakima 10:46:39 -47.0 Dark Down 68.4 206.0 Up 10:31:39 - 11:01:39 74
Toppenish/White Swan 10:46:38 -47.0 Dark Down 68.5 206.7 Up 10:31:38 - 11:01:38 54
PNWRO 10:46:32 -46.1 Dark Down 68.3 210.4 Up 10:31:32 - 11:01:32 38
Goldendale 10:46:39 -47.4 Dark Down 69.1 206.3 Up 10:31:39 - 11:01:39 -8
The Dalles 10:46:40 -47.7 Dark Down 69.5 205.7 Up 10:31:40 - 11:01:40 -36
Maupin 10:46:39 -47.8 Dark Down 69.8 206.5 Up 10:31:39 - 11:01:39 -78
Sisters 10:46:40 -48.4 Dark Down 70.7 206.3 Up 10:31:40 - 11:01:40 -175
Bend 10:46:39 -48.3 Dark Down 70.9 207.3 Up 10:31:39 - 11:01:39 -196
Oregon Observatory 10:46:39 -48.4 Dark Down 71.1 207.2 Up 10:31:39 - 11:01:39 -216
North Lake 10:46:36 -48.3 Dark Down 71.4 209.5 Up 10:31:36 - 11:01:36 -275
Dunrhomin 10:45:33 -37.3 Dark Down 64.8 245.0 Up 10:30:33 - 11:00:33 -281
CU-SBO 10:45:33 -37.4 Dark Down 65.0 245.4 Up 10:30:33 - 11:00:33 -309
Chiloquin 10:46:39 -49.1 Dark Down 72.4 207.9 Up 10:31:39 - 11:01:39 -359
Lakeview 10:46:33 -48.2 Dark Down 72.2 212.5 Up 10:31:33 - 11:01:33 -377
Klamath Falls 10:46:39 -49.2 Dark Down 72.6 208.7 Up 10:31:39 - 11:01:39 -394
Cedarville 10:46:32 -48.2 Dark Down 72.6 214.1 Up 10:31:32 - 11:01:32 -443
Fall River/Burney 10:46:36 -49.2 Dark Down 73.5 211.7 Up 10:31:36 - 11:01:36 -512
Susanville 10:46:32 -48.8 Dark Down 73.8 214.9 Up 10:31:32 - 11:01:32 -568
Gimple 10:46:33 -49.0 Dark Down 74.1 214.8 Up 10:31:33 - 11:01:33 -600
Greenville 10:46:33 -49.1 Dark Down 74.1 214.6 Up 10:31:33 - 11:01:33 -601
Quincy 10:46:33 -49.1 Dark Down 74.3 215.0 Up 10:31:33 - 11:01:33 -623
Portola 10:46:31 -48.8 Dark Down 74.2 216.6 Up 10:31:31 - 11:01:31 -629
Reno 10:46:28 -48.4 Dark Down 74.1 219.0 Up 10:31:28 - 11:01:28 -647
Carson City 10:46:27 -48.5 Dark Down 74.3 219.8 Up 10:31:27 - 11:01:27 -684
Yerington 10:46:24 -48.0 Dark Down 74.2 222.0 Up 10:31:24 - 11:01:24 -695
Gardnerville 10:46:27 -48.5 Dark Down 74.5 220.5 Up 10:31:27 - 11:01:27 -710
Hawthorne 10:46:22 -47.7 Dark Down 74.2 224.5 Up 10:31:22 - 11:01:22 -735
Tonopah 10:46:16 -46.7 Dark Down 73.8 229.1 Up 10:31:16 - 11:01:16 -760
Lee Vining 10:46:23 -48.2 Dark Down 74.9 224.6 Up 10:31:23 - 11:01:23 -803
Bishop 10:46:20 -47.7 Dark Down 74.9 228.1 Up 10:31:20 - 11:01:20 -855
Beatty 10:46:12 -46.5 Dark Down 74.2 233.3 Up 10:31:12 - 11:01:12 -875
Indian Springs 10:46:08 -45.7 Dark Down 73.7 236.6 Up 10:31:08 - 11:01:08 -889
Henderson 10:46:04 -45.2 Dark Down 73.5 239.5 Up 10:31:04 - 11:01:04 -933
Patrick 10:45:59 -44.3 Dark Down 73.0 243.4 Up 10:30:59 - 11:00:59 -977
Kingman/Dolan Springs 10:45:59 -44.5 Dark Down 73.3 243.7 Up 10:30:59 - 11:00:59 -1004
Laughlin/Bullhead City 10:46:01 -44.9 Dark Down 73.7 242.8 Up 10:31:01 - 11:01:01 -1017
Mohave Valley 10:46:01 -44.9 Dark Down 73.8 243.7 Up 10:31:01 - 11:01:01 -1046
Lake Havasu City 10:45:59 -44.7 Dark Down 73.8 245.4 Up 10:30:59 - 11:00:59 -1084
George/Scottsdale 10:45:48 -42.8 Dark Down 72.2 251.5 Up 10:30:48 - 11:00:48 -1114
Parker 10:45:59 -44.7 Dark Down 73.9 246.5 Up 10:30:59 - 11:00:59 -1121
Wildwood 10:46:17 -48.2 Dark Down 77.0 238.0 Up 10:31:17 - 11:01:17 -1208
Idyllwild 10:46:08 -46.7 Dark Down 75.9 243.5 Up 10:31:08 - 11:01:08 -1212
Calipatria 10:46:02 -45.8 Dark Down 75.2 247.8 Up 10:31:02 - 11:01:02 -1254
Yuma 10:45:58 -45.1 Dark Down 74.7 250.8 Up 10:30:58 - 11:00:58 -1283

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 15875, (2024/12/01 10:47UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1 13.28 139
Alhena         06:37:42.8 +16:23:57  1.9 10.37 150
54 Aur         06:39:33.1 +28:15:47  5.8  2.17 153
PPM 096583     06:49:10.3 +27:11:25  6.6  0.95 151
PPM 096535     06:47:10.7 +26:33:40  9.2  0.30 151
PPM 096507     06:45:46.7 +26:47:21 10.6  0.19 152
15875          06:45:50.4 +26:35:46 14.1       152
Positions are for J2000

Event circumstances last updated at 2022/03/31 22:59:05 UT

Marc W. Buie, Southwest Research Institute

RECON