RECON: TNO occultation with 13RU128

Event between 13RU128 and star GA0880:19175175 with event index number of 2463852

Geocentric closest approach at 2024/10/19 07:01:17 UTC

J2000 position of star is 22:57:08.7 -01:23:54
Equinox of date position of star is 22:58:16.0 -01:16:53
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 67 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=23.7

[RECON map]
TNO is 41.1 AU from the Sun and 40.4 AU from the Earth.
The TNO is moving 17.9 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 528 seconds.
The 1-sigma cross-track error in the shadow position is 5980 km.
The sky-plane scale is 29273.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=151.4 km assuming a 5% albedo -- 10.5 sec chord
Diameter=61.8 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 13RU128, (2024/10/19 06:56UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:00.9 -29:29:25  1.2 28.23  80
Markab         23:05:59.9 +15:20:21  2.5 16.71  59
PPM 206984     22:59:32.2 -02:15:44  6.2  1.04  67
PPM 181551     22:59:40.3 -01:16:38  6.8  0.31  66
PPM 181548     22:58:32.0 -01:17:04 10.0  0.03  67
13RU128        22:58:25.2 -01:15:55 14.1        66
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 1.7 sigma about the mid-time.
The median site spacing is 23.4 km RECON observability=1.0 and success probability=9.0%
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 06:57:21 -48.9 Dark Up 32.7 215.2 Up 06:42:21 - 07:12:21 1096
Victoria 06:57:22 -49.6 Dark Up 35.6 211.2 Up 06:42:22 - 07:12:22 1089
Kelowna 06:57:21 -49.2 Dark Up 33.1 215.1 Up 06:42:21 - 07:12:21 1069
Peachland 06:57:21 -49.3 Dark Up 33.3 214.8 Up 06:42:21 - 07:12:21 1067
Summerland 06:57:21 -49.4 Dark Up 33.4 215.0 Up 06:42:21 - 07:12:21 1053
Penticton 06:57:21 -49.5 Dark Up 33.4 215.2 Up 06:42:21 - 07:12:21 1044
Oliver 06:57:21 -49.8 Dark Up 33.7 215.3 Up 06:42:21 - 07:12:21 1016
Anarchist Mountain Observatory 06:57:21 -50.1 Dark Up 33.7 215.6 Up 06:42:21 - 07:12:21 998
Tonasket 06:57:21 -50.3 Dark Up 34.0 215.6 Up 06:42:21 - 07:12:21 974
Okanogan 06:57:21 -50.6 Dark Up 34.4 215.6 Up 06:42:21 - 07:12:21 950
Brewster 06:57:21 -50.8 Dark Up 34.7 215.5 Up 06:42:21 - 07:12:21 933
Manson/Chelan 06:57:21 -51.0 Dark Up 35.0 215.1 Up 06:42:21 - 07:12:21 926
Wenatchee 06:57:21 -51.4 Dark Up 35.4 215.1 Up 06:42:21 - 07:12:21 892
Ellensburg 06:57:21 -51.7 Dark Up 35.8 215.0 Up 06:42:21 - 07:12:21 865
Yakima 06:57:21 -52.1 Dark Up 36.2 215.2 Up 06:42:21 - 07:12:21 831
Toppenish/White Swan 06:57:21 -52.3 Dark Up 36.3 215.5 Up 06:42:21 - 07:12:21 808
Goldendale 06:57:21 -52.7 Dark Up 36.9 215.2 Up 06:42:21 - 07:12:21 775
The Dalles 06:57:21 -52.9 Dark Up 37.2 214.9 Up 06:42:21 - 07:12:21 768
Pasco 06:57:21 -52.7 Dark Up 35.9 217.0 Up 06:42:21 - 07:12:21 763
PNWRO 06:57:21 -53.0 Dark Up 36.0 217.3 Up 06:42:21 - 07:12:21 737
Maupin 06:57:21 -53.3 Dark Up 37.5 215.2 Up 06:42:21 - 07:12:21 729
Sisters 06:57:21 -54.0 Dark Up 38.5 215.0 Up 06:42:21 - 07:12:21 673
Redmond 06:57:21 -54.1 Dark Up 38.3 215.5 Up 06:42:21 - 07:12:21 656
Bend 06:57:21 -54.2 Dark Up 38.6 215.5 Up 06:42:21 - 07:12:21 643
Oregon Observatory 06:57:21 -54.4 Dark Up 38.7 215.4 Up 06:42:21 - 07:12:21 633
La Pine/Gilchrist 06:57:21 -54.5 Dark Up 38.9 215.4 Up 06:42:21 - 07:12:21 618
North Lake 06:57:21 -55.1 Dark Up 39.0 216.3 Up 06:42:21 - 07:12:21 558
Chiloquin 06:57:22 -55.5 Dark Up 40.0 215.5 Up 06:42:22 - 07:12:22 539
Klamath Falls 06:57:21 -55.8 Dark Up 40.2 215.8 Up 06:42:21 - 07:12:21 506
Paisley 06:57:21 -55.7 Dark Up 39.3 217.0 Up 06:42:21 - 07:12:21 498
Lakeview 06:57:21 -56.2 Dark Up 39.6 217.5 Up 06:42:21 - 07:12:21 447
Fall River/Burney 06:57:22 -57.0 Dark Up 41.0 216.8 Up 06:42:22 - 07:12:22 388
Cedarville 06:57:21 -56.9 Dark Up 40.1 218.0 Up 06:42:21 - 07:12:21 384
Susanville 06:57:21 -57.8 Dark Up 41.2 218.0 Up 06:42:21 - 07:12:21 302
Greenville 06:57:22 -58.0 Dark Up 41.5 217.8 Up 06:42:22 - 07:12:22 290
Gimple 06:57:22 -58.0 Dark Up 41.5 217.9 Up 06:42:22 - 07:12:22 286
Quincy 06:57:22 -58.1 Dark Up 41.7 218.0 Up 06:42:22 - 07:12:22 272
Portola 06:57:21 -58.4 Dark Up 41.6 218.6 Up 06:42:21 - 07:12:21 241
Reno 06:57:21 -58.8 Dark Up 41.5 219.5 Up 06:42:21 - 07:12:21 195
Tonopah 06:57:21 -61.0 Dark Up 41.2 223.3 Up 06:42:21 - 07:12:21 192
Carson City 06:57:21 -59.2 Dark Up 41.7 219.7 Up 06:42:21 - 07:12:21 162
Gardnerville 06:57:21 -59.4 Dark Up 41.9 219.9 Up 06:42:21 - 07:12:21 139
Yerington 06:57:21 -59.5 Dark Up 41.6 220.6 Up 06:42:21 - 07:12:21 137
Hawthorne 06:57:21 -60.1 Dark Up 41.6 221.5 Up 06:42:21 - 07:12:21 114
Lee Vining 06:57:21 -60.5 Dark Up 42.3 221.2 Up 06:42:21 - 07:12:21 65
Bishop 06:57:21 -61.3 Dark Up 42.4 222.4 Up 06:42:21 - 07:12:21 -117
CPSLO 06:57:27 -62.4 Dark Up 45.1 221.1 Up 06:42:27 - 07:12:27 -153
Beatty 06:57:21 -62.2 Dark Up 41.8 224.6 Up 06:42:21 - 07:12:21 -262
Dunrhomin 06:56:32 -59.8 Dark Up 32.9 234.2 Up 06:41:32 - 07:11:32 -337
Wildwood 06:57:21 -64.2 Dark Up 44.9 224.3 Up 06:42:21 - 07:12:21 -358
Indian Springs 06:57:21 -62.7 Dark Up 41.4 226.0 Up 06:42:21 - 07:12:21 -360
Henderson 06:57:21 -63.4 Dark Up 41.4 227.0 Up 06:42:21 - 07:12:21 -441
Idyllwild 06:57:21 -65.2 Dark Up 44.0 226.7 Up 06:42:21 - 07:12:21 -492
Laughlin/Bullhead City 06:57:21 -64.3 Dark Up 41.7 228.1 Up 06:42:21 - 07:12:21 -525
Mohave Valley 06:57:21 -64.6 Dark Up 41.9 228.2 Up 06:42:21 - 07:12:21 -544
Patrick 06:57:21 -64.2 Dark Up 41.1 228.6 Up 06:42:21 - 07:12:21 -560
Kingman/Dolan Springs 06:57:21 -64.4 Dark Up 41.4 228.6 Up 06:42:21 - 07:12:21 -561
Lake Havasu City 06:57:21 -65.0 Dark Up 42.0 228.8 Up 06:42:21 - 07:12:21 -589
Calipatria 06:57:21 -66.1 Dark Up 43.7 228.4 Up 06:42:21 - 07:12:21 -616
Parker 06:57:21 -65.4 Dark Up 42.2 229.0 Up 06:42:21 - 07:12:21 -617
Blythe 06:57:21 -65.8 Dark Up 42.8 229.1 Up 06:42:21 - 07:12:21 -637
Yuma 06:57:21 -66.7 Dark Up 43.4 229.7 Up 06:42:21 - 07:12:21 -708
George/Scottsdale 06:57:21 -66.2 Dark Up 40.9 231.8 Up 06:42:21 - 07:12:21 -815

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 13RU128, (2024/10/19 06:56UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 28.23  80
Markab         23:04:45.8 +15:12:18  2.5 16.71  59
PPM 206984     22:58:15.5 -02:23:44  6.2  1.04  67
PPM 181551     22:58:23.8 -01:24:37  6.8  0.31  66
PPM 181548     22:57:15.6 -01:25:03 10.0  0.03  67
13RU128        22:57:08.7 -01:23:54 14.1        67
Positions are for J2000

Event circumstances last updated at 2021/10/30 23:02:41 UT

Marc W. Buie, Southwest Research Institute

RECON