RECON: TNO occultation with 13VF24

Event between 13VF24 and star GA1060:01934152 with event index number of 1371837

Geocentric closest approach at 2024/11/10 06:06:09 UTC

J2000 position of star is 06:26:03.9 +16:28:02
Equinox of date position of star is 06:27:11.2 +16:27:17
Stellar brightness G=15.6, use SENSEUP=128
Star is 124 degrees from the moon. Moon is 61% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 27.8 AU from the Sun and 27.2 AU from the Earth.
The TNO is moving 14.3 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 299 seconds.
The 1-sigma cross-track error in the shadow position is 1679 km.
The sky-plane scale is 19710.1 km/arcsec.

The TNO has an absolute magnitude Hv=8.2
Diameter=140.6 km assuming a 5% albedo -- 9.8 sec chord
Diameter=57.4 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is 3:2E+6:4II
 
 
 
 
 
 

Star training set for 13VF24, (2024/11/10 06:06UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.1 +07:24:35  0.4 11.79 115
Alhena         06:39:08.9 +16:22:33  1.9  2.79 127
PPM 122497     06:28:41.0 +14:52:20  6.2  1.60 124
PPM 122426     06:26:18.7 +16:02:30  7.5  0.50 124
PPM 122464     06:27:21.4 +16:17:28  9.4  0.16 124
13VF24         06:27:30.1 +16:27:04 15.6       125
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 3.0 sigma about the mid-time.
The median site spacing is 18.2 km RECON observability=1.0 and success probability=26.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:10:47 -52.6 Dark Up 23.2 91.8 Low 05:55:47 - 06:25:47 1189
Summerland 06:10:49 -52.8 Dark Up 23.1 91.4 Low 05:55:49 - 06:25:49 1172
Penticton 06:10:49 -52.9 Dark Up 23.1 91.5 Low 05:55:49 - 06:25:49 1165
Okanagan Falls 06:10:50 -53.0 Dark Up 23.1 91.4 Low 05:55:50 - 06:25:50 1151
Oliver 06:10:51 -53.1 Dark Up 23.1 91.3 Low 05:55:51 - 06:25:51 1138
Anarchist Mountain Observatory 06:10:52 -53.4 Dark Up 23.3 91.4 Low 05:55:52 - 06:25:52 1120
Oroville 06:10:52 -53.4 Dark Up 23.2 91.3 Low 05:55:52 - 06:25:52 1116
Tonasket 06:10:54 -53.6 Dark Up 23.2 91.2 Low 05:55:54 - 06:25:54 1098
Okanogan 06:10:56 -53.8 Dark Up 23.2 91.0 Low 05:55:56 - 06:25:56 1074
Brewster 06:10:58 -53.9 Dark Up 23.0 90.7 Low 05:55:58 - 06:25:58 1057
Manson/Chelan 06:10:59 -53.9 Dark Up 22.8 90.4 Low 05:55:59 - 06:25:59 1048
Entiat 06:11:01 -54.1 Dark Up 22.7 90.2 Low 05:56:01 - 06:26:01 1032
Wenatchee 06:11:02 -54.2 Dark Up 22.7 90.0 Low 05:56:02 - 06:26:02 1014
Ellensburg 06:11:05 -54.4 Dark Up 22.5 89.7 Low 05:56:05 - 06:26:05 986
Yakima 06:11:07 -54.7 Dark Up 22.5 89.5 Low 05:56:07 - 06:26:07 953
Toppenish/White Swan 06:11:08 -55.0 Dark Up 22.6 89.6 Low 05:56:08 - 06:26:08 932
Goldendale 06:11:11 -55.2 Dark Up 22.4 89.0 Low 05:56:11 - 06:26:11 896
Pasco 06:11:06 -55.6 Dark Up 23.5 90.4 Low 05:56:06 - 06:26:06 896
The Dalles 06:11:13 -55.2 Dark Up 22.1 88.7 Low 05:56:13 - 06:26:13 886
George/Umatilla 06:11:09 -55.8 Dark Up 23.4 90.1 Low 05:56:09 - 06:26:09 873
PNWRO 06:11:07 -55.9 Dark Up 23.7 90.5 Low 05:56:07 - 06:26:07 871
Maupin 06:11:15 -55.5 Dark Up 22.2 88.6 Low 05:56:15 - 06:26:15 850
Madras/Culver 06:11:18 -55.9 Dark Up 22.1 88.4 Low 05:56:18 - 06:26:18 805
Sisters 06:11:20 -55.9 Dark Up 21.8 87.9 Low 05:56:20 - 06:26:20 788
Redmond 06:11:20 -56.1 Dark Up 22.1 88.2 Low 05:56:20 - 06:26:20 777
Bend 06:11:21 -56.2 Dark Up 22.0 88.0 Low 05:56:21 - 06:26:21 762
Oregon Observatory 06:11:22 -56.3 Dark Up 21.9 87.9 Low 05:56:22 - 06:26:22 751
La Pine/Gilchrist 06:11:23 -56.4 Dark Up 21.8 87.7 Low 05:56:23 - 06:26:23 735
North Lake 06:11:25 -57.0 Dark Up 22.3 88.0 Low 05:56:25 - 06:26:25 685
Chiloquin 06:11:29 -57.0 Dark Up 21.6 87.1 Low 05:56:29 - 06:26:29 649
Paisley 06:11:27 -57.6 Dark Up 22.5 88.0 Low 05:56:27 - 06:26:27 631
Klamath Falls 06:11:31 -57.3 Dark Up 21.6 87.0 Low 05:56:31 - 06:26:31 618
Tulelake 06:11:32 -57.6 Dark Up 21.8 87.1 Low 05:56:32 - 06:26:32 588
Lakeview 06:11:29 -58.1 Dark Up 22.6 87.9 Low 05:56:29 - 06:26:29 583
Cedarville 06:11:32 -58.6 Dark Up 22.8 87.8 Low 05:56:32 - 06:26:32 522
Fall River/Burney 06:11:36 -58.3 Dark Up 21.8 86.8 Low 05:56:36 - 06:26:36 508
Susanville 06:11:38 -59.1 Dark Up 22.4 87.0 Low 05:56:38 - 06:26:38 437
Greenville 06:11:40 -59.1 Dark Up 22.1 86.7 Low 05:56:40 - 06:26:40 419
Gimple 06:11:40 -59.2 Dark Up 22.2 86.8 Low 05:56:40 - 06:26:40 417
Quincy 06:11:41 -59.3 Dark Up 22.1 86.6 Low 05:56:41 - 06:26:41 401
Portola 06:11:40 -59.6 Dark Up 22.5 86.9 Low 05:56:40 - 06:26:40 379
Reno 06:11:41 -60.2 Dark Up 23.0 87.2 Low 05:56:41 - 06:26:41 341
Carson City 06:11:42 -60.4 Dark Up 23.0 87.0 Low 05:56:42 - 06:26:42 308
Gardnerville 06:11:43 -60.6 Dark Up 23.0 87.0 Low 05:56:43 - 06:26:43 285
Yerington 06:11:42 -60.9 Dark Up 23.5 87.4 Low 05:56:42 - 06:26:42 276
Hawthorne 06:11:43 -61.6 Dark Up 23.9 87.5 Low 05:56:43 - 06:26:43 222
Lee Vining 06:11:47 -61.6 Dark Up 23.5 86.9 Low 05:56:47 - 06:26:47 183
Tonopah 06:11:43 -62.7 Dark Up 24.9 88.1 Low 05:56:43 - 06:26:43 147
Bishop 06:11:48 -62.5 Dark Up 24.0 87.1 Low 05:56:48 - 06:26:48 111
Niwot 06:11:04 -66.1 Dark Up 34.1 97.0 Up 05:56:04 - 06:26:04 74
SwRI 06:11:04 -66.1 Dark Up 34.0 96.9 Up 05:56:04 - 06:26:04 66
Lone Pine 06:11:51 -63.2 Dark Up 24.2 87.0 Low 05:56:51 - 06:26:51 34
Beatty 06:11:47 -63.7 Dark Up 25.3 87.9 Low 05:56:47 - 06:26:47 30
CPSLO 06:12:01 -62.3 Dark Up 22.1 85.0 Low 05:57:01 - 06:27:01 -24
Indian Springs 06:11:46 -64.6 Dark Up 26.1 88.3 Low 05:56:46 - 06:26:46 -25
Henderson 06:11:46 -65.4 Dark Up 26.7 88.5 Low 05:56:46 - 06:26:46 -91
Searchlight/Boulder City 06:11:49 -65.8 Dark Up 26.7 88.2 Low 05:56:49 - 06:26:49 -147
Patrick 06:11:46 -66.5 Dark Up 27.6 88.8 Low 05:56:46 - 06:26:46 -176
Laughlin/Bullhead City 06:11:49 -66.2 Dark Up 27.0 88.3 Low 05:56:49 - 06:26:49 -183
Wildwood 06:12:02 -64.4 Dark Up 23.7 85.6 Low 05:57:02 - 06:27:02 -187
Kingman/Dolan Springs 06:11:48 -66.5 Dark Up 27.4 88.6 Low 05:56:48 - 06:26:48 -193
Mohave Valley 06:11:50 -66.4 Dark Up 27.0 88.1 Low 05:56:50 - 06:26:50 -209
DCO 06:11:46 -67.1 Dark Up 28.1 89.0 Low 05:56:46 - 06:26:46 -222
Lake Havasu City 06:11:51 -66.9 Dark Up 27.2 88.1 Low 05:56:51 - 06:26:51 -253
Idyllwild 06:11:59 -65.9 Dark Up 25.2 86.4 Low 05:56:59 - 06:26:59 -267
Parker 06:11:52 -67.1 Dark Up 27.2 87.9 Low 05:56:52 - 06:26:52 -287
Blythe 06:11:55 -67.3 Dark Up 26.9 87.5 Low 05:56:55 - 06:26:55 -330
Calipatria 06:11:59 -67.0 Dark Up 26.2 86.8 Low 05:56:59 - 06:26:59 -354
Yuma 06:11:59 -67.9 Dark Up 26.9 87.0 Low 05:56:59 - 06:26:59 -418

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 13VF24, (2024/11/10 06:06UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 11.79 115
Alhena         06:37:42.8 +16:23:57  1.9  2.79 127
PPM 122497     06:27:15.8 +14:53:21  6.2  1.60 124
PPM 122426     06:24:52.8 +16:03:26  7.5  0.50 124
PPM 122464     06:25:55.3 +16:18:25  9.4  0.16 124
13VF24         06:26:03.9 +16:28:02 15.6       124
Positions are for J2000

Event circumstances last updated at 2019/06/08 09:24:00 UT

Marc W. Buie, Southwest Research Institute

RECON