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 10:37:24 UTC

J2000 position of star is 06:45:50.4 +26:35:46
Equinox of date position of star is 06:47:02.8 +26:34:28
Stellar brightness G=14.1, use SENSEUP=64
Star is 152 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.0

[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 992 seconds.
The 1-sigma cross-track error in the shadow position is 4915 km.
The sky-plane scale is 21934.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=239.9 km assuming a 5% albedo -- 11.7 sec chord
Diameter=97.9 km assuming a 30% albedo -- 4.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 15875, (2024/12/01 10:37UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.5 +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 +26:45:41 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 0.9 sigma about the mid-time.
The median site spacing is 23.2 km RECON observability=1.0 and success probability=9.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 10:37:06 -46.5 Dark Down 65.6 200.3 Up 10:22:06 - 10:52:06 -164
Summerland 10:37:07 -46.8 Dark Down 66.0 199.9 Up 10:22:07 - 10:52:07 -197
Penticton 10:37:06 -46.7 Dark Down 66.0 200.2 Up 10:22:06 - 10:52:06 -203
Okanagan Falls 10:37:06 -46.8 Dark Down 66.2 200.3 Up 10:22:06 - 10:52:06 -222
Oliver 10:37:06 -46.9 Dark Down 66.4 200.5 Up 10:22:06 - 10:52:06 -238
Anarchist Mountain Observatory 10:37:05 -46.8 Dark Down 66.5 201.1 Up 10:22:05 - 10:52:05 -253
Oroville 10:37:05 -46.9 Dark Down 66.6 201.0 Up 10:22:05 - 10:52:05 -261
Tonasket 10:37:05 -47.0 Dark Down 66.8 201.2 Up 10:22:05 - 10:52:05 -285
Okanogan 10:37:05 -47.2 Dark Down 67.1 201.1 Up 10:22:05 - 10:52:05 -320
Brewster 10:37:05 -47.5 Dark Down 67.4 200.9 Up 10:22:05 - 10:52:05 -350
Manson/Chelan 10:37:06 -47.8 Dark Down 67.7 200.2 Up 10:22:06 - 10:52:06 -376
Entiat 10:37:06 -47.9 Dark Down 67.9 200.3 Up 10:22:06 - 10:52:06 -399
Wenatchee 10:37:06 -48.1 Dark Down 68.2 200.3 Up 10:22:06 - 10:52:06 -426
Ellensburg 10:37:07 -48.4 Dark Down 68.6 200.1 Up 10:22:07 - 10:52:07 -471
Yakima 10:37:07 -48.5 Dark Down 69.0 200.4 Up 10:22:07 - 10:52:07 -513
Pasco 10:37:01 -47.7 Dark Down 69.0 204.1 Up 10:22:01 - 10:52:01 -529
Toppenish/White Swan 10:37:06 -48.5 Dark Down 69.2 201.0 Up 10:22:06 - 10:52:06 -533
PNWRO 10:37:00 -47.7 Dark Down 69.1 204.9 Up 10:22:00 - 10:52:00 -552
George/Umatilla 10:37:01 -48.0 Dark Down 69.3 204.0 Up 10:22:01 - 10:52:01 -567
Goldendale 10:37:07 -49.0 Dark Down 69.8 200.5 Up 10:22:07 - 10:52:07 -595
The Dalles 10:37:08 -49.3 Dark Down 70.1 199.8 Up 10:22:08 - 10:52:08 -623
Maupin 10:37:07 -49.4 Dark Down 70.5 200.5 Up 10:22:07 - 10:52:07 -665
Madras/Culver 10:37:07 -49.6 Dark Down 71.0 200.9 Up 10:22:07 - 10:52:07 -722
Redmond 10:37:06 -49.8 Dark Down 71.3 201.2 Up 10:22:06 - 10:52:06 -760
Sisters 10:37:08 -50.0 Dark Down 71.4 200.1 Up 10:22:08 - 10:52:08 -763
Bend 10:37:07 -49.9 Dark Down 71.6 201.0 Up 10:22:07 - 10:52:07 -784
Oregon Observatory 10:37:07 -50.1 Dark Down 71.8 200.9 Up 10:22:07 - 10:52:07 -804
La Pine/Gilchrist 10:37:07 -50.2 Dark Down 72.0 200.9 Up 10:22:07 - 10:52:07 -826
North Lake 10:37:04 -49.9 Dark Down 72.2 203.1 Up 10:22:04 - 10:52:04 -864
Niwot 10:36:00 -39.2 Dark Down 66.5 242.0 Up 10:21:00 - 10:51:00 -908
Paisley 10:37:02 -49.8 Dark Down 72.6 204.7 Up 10:22:02 - 10:52:02 -917
SwRI 10:36:00 -39.2 Dark Down 66.6 242.0 Up 10:21:00 - 10:51:00 -921
Chiloquin 10:37:08 -50.8 Dark Down 73.1 201.2 Up 10:22:08 - 10:52:08 -947
Lakeview 10:37:01 -49.9 Dark Down 73.0 206.0 Up 10:22:01 - 10:52:01 -968
Klamath Falls 10:37:07 -50.8 Dark Down 73.4 201.8 Up 10:22:07 - 10:52:07 -982
Tulelake 10:37:05 -50.7 Dark Down 73.6 203.0 Up 10:22:05 - 10:52:05 -1007
Cedarville 10:37:00 -49.9 Dark Down 73.5 207.5 Up 10:22:00 - 10:52:00 -1034
Fall River/Burney 10:37:04 -50.9 Dark Down 74.4 204.6 Up 10:22:04 - 10:52:04 -1102
Susanville 10:37:01 -50.6 Dark Down 74.7 207.8 Up 10:22:01 - 10:52:01 -1159
Gimple 10:37:01 -50.8 Dark Down 75.0 207.7 Up 10:22:01 - 10:52:01 -1191
Greenville 10:37:02 -50.9 Dark Down 75.0 207.4 Up 10:22:02 - 10:52:02 -1192
Quincy 10:37:01 -50.9 Dark Down 75.2 207.7 Up 10:22:01 - 10:52:01 -1213
Portola 10:36:59 -50.6 Dark Down 75.2 209.5 Up 10:21:59 - 10:51:59 -1220
Reno 10:36:56 -50.2 Dark Down 75.1 212.0 Up 10:21:56 - 10:51:56 -1239
Carson City 10:36:56 -50.3 Dark Down 75.4 212.8 Up 10:21:56 - 10:51:56 -1277
Yerington 10:36:53 -49.8 Dark Down 75.3 215.1 Up 10:21:53 - 10:51:53 -1288
Gardnerville 10:36:55 -50.3 Dark Down 75.6 213.4 Up 10:21:55 - 10:51:55 -1302
Hawthorne 10:36:50 -49.5 Dark Down 75.5 217.8 Up 10:21:50 - 10:51:50 -1330
Tonopah 10:36:44 -48.5 Dark Down 75.1 223.0 Up 10:21:44 - 10:51:44 -1357
Lee Vining 10:36:52 -50.0 Dark Down 76.1 217.6 Up 10:21:52 - 10:51:52 -1398
Bishop 10:36:48 -49.6 Dark Down 76.2 221.4 Up 10:21:48 - 10:51:48 -1450
Beatty 10:36:41 -48.4 Dark Down 75.7 227.3 Up 10:21:41 - 10:51:41 -1473
Indian Springs 10:36:36 -47.6 Dark Down 75.2 231.1 Up 10:21:36 - 10:51:36 -1490
Lone Pine 10:36:46 -49.4 Dark Down 76.6 224.5 Up 10:21:46 - 10:51:46 -1526
Henderson 10:36:33 -47.1 Dark Down 75.1 234.3 Up 10:21:33 - 10:51:33 -1534
Patrick 10:36:28 -46.3 Dark Down 74.7 238.7 Up 10:21:28 - 10:51:28 -1580
Searchlight/Boulder City 10:36:32 -47.1 Dark Down 75.4 236.3 Up 10:21:32 - 10:51:32 -1594
DCO 10:36:24 -45.7 Dark Down 74.4 241.1 Up 10:21:24 - 10:51:24 -1599
Kingman/Dolan Springs 10:36:28 -46.4 Dark Down 75.0 239.0 Up 10:21:28 - 10:51:28 -1608
Laughlin/Bullhead City 10:36:29 -46.9 Dark Down 75.4 238.0 Up 10:21:29 - 10:51:29 -1620
Mohave Valley 10:36:29 -46.9 Dark Down 75.5 238.9 Up 10:21:29 - 10:51:29 -1649
Lake Havasu City 10:36:28 -46.7 Dark Down 75.5 240.8 Up 10:21:28 - 10:51:28 -1687
CPSLO 10:36:56 -51.7 Dark Down 79.0 220.0 Up 10:21:56 - 10:51:56 -1706
Parker 10:36:27 -46.7 Dark Down 75.7 242.0 Up 10:21:27 - 10:51:27 -1724
Blythe 10:36:28 -47.0 Dark Down 76.1 243.3 Up 10:21:28 - 10:51:28 -1786
Wildwood 10:36:46 -50.2 Dark Down 78.6 231.4 Up 10:21:46 - 10:51:46 -1805
Idyllwild 10:36:37 -48.7 Dark Down 77.6 238.0 Up 10:21:37 - 10:51:37 -1812
Calipatria 10:36:31 -47.8 Dark Down 77.0 243.1 Up 10:21:31 - 10:51:31 -1856
Yuma 10:36:27 -47.1 Dark Down 76.6 246.6 Up 10:21:27 - 10:51:27 -1886

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 10:37UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +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 2019/06/08 09:34:26 UT

Marc W. Buie, Southwest Research Institute

RECON