RECON: TNO occultation with 02GW32

Event between 02GW32 and star GA0640:10444000 with event index number of 2794465

Geocentric closest approach at 2024/07/13 05:10:10 UTC

J2000 position of star is 17:01:55.4 -24:54:26
Equinox of date position of star is 17:03:23.1 -24:56:24
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 64 degrees from the moon. Moon is 43% illuminated.
Apparent brightness V=23.0

[RECON map]
Object is 37.0 AU from the Sun and 36.1 AU from the Earth.
Apparent velocity is 19.5 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 1319 seconds.
The 1-sigma cross-track error in the shadow position is 1820 km.
The sky-plane scale is 26205.2 km/arcsec.

The object has an absolute magnitude Hv=7.3
Diameter=212.8 km assuming a 5% albedo -- 10.9 sec chord
Diameter=86.9 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is 5:4E
 
 
 
 
 
 

Star training set for 02GW32, (2024/07/13 05:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.9 -26:29:03  0.9  7.48  57
23Tau Sco      16:37:24.8 -28:15:53  2.8  6.70  58
26 Oph         17:01:39.9 -25:01:27  5.8  0.41  63
PPM 266321     17:04:48.8 -25:01:43  8.1  0.33  64
PPM 266291     17:03:09.8 -24:58:31  9.2  0.07  64
02GW32         17:03:25.6 -24:56:27 15.9        64
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 0.7 sigma about the mid-time.
The median site spacing is 11.3 km RECON observability=0.5 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 05:10:32 -11.7 NT Up 12.7 187.3 Really Low 04:55:32 - 05:25:32 13522
Kamloops 05:11:21 -7.9 NT Up 14.2 174.0 Really Low 04:56:21 - 05:26:21 13335
Kelowna 05:11:18 -8.9 NT Up 15.1 174.8 Really Low 04:56:18 - 05:26:18 13323
Peachland 05:11:20 -8.8 NT Up 15.2 174.5 Really Low 04:56:20 - 05:26:20 13316
Summerland 05:11:19 -9.0 NT Up 15.3 174.6 Really Low 04:56:19 - 05:26:19 13312
Penticton 05:11:18 -9.1 NT Up 15.4 174.7 Really Low 04:56:18 - 05:26:18 13312
Oliver 05:11:18 -9.3 NT Up 15.7 174.7 Really Low 04:56:18 - 05:26:18 13301
Anarchist Mountain Observatory 05:11:18 -9.6 NT Up 15.9 174.9 Really Low 04:56:18 - 05:26:18 13299
Okanogan 05:11:20 -10.0 NT Up 16.6 174.7 Really Low 04:56:20 - 05:26:20 13274
Brewster 05:11:19 -10.1 NT Up 16.8 174.5 Really Low 04:56:19 - 05:26:19 13262
Manson/Chelan 05:11:21 -10.1 NT Up 17.0 174.1 Really Low 04:56:21 - 05:26:21 13250
Wenatchee 05:11:21 -10.4 NT Up 17.5 173.9 Really Low 04:56:21 - 05:26:21 13231
Victoria 05:11:32 -8.2 NT Up 16.1 171.1 Really Low 04:56:32 - 05:26:32 13221
Ellensburg 05:11:22 -10.6 NT Up 17.8 173.7 Really Low 04:56:22 - 05:26:22 13213
PNWRO 05:11:16 -12.1 AT Up 18.9 175.2 Really Low 04:56:16 - 05:26:16 13201
Yakima 05:11:22 -10.9 NT Up 18.3 173.7 Really Low 04:56:22 - 05:26:22 13198
Toppenish/White Swan 05:11:21 -11.1 NT Up 18.5 173.8 Really Low 04:56:21 - 05:26:21 13192
The Dalles 05:11:25 -11.3 NT Up 19.2 173.1 Really Low 04:56:25 - 05:26:25 13150
Maupin 05:11:24 -11.7 NT Up 19.6 173.1 Really Low 04:56:24 - 05:26:24 13136
Dunrhomin 05:10:19 -22.4 Dark Up 24.4 188.5 Low 04:55:19 - 05:25:19 13124
Nikitin 05:10:20 -22.5 Dark Up 24.5 188.5 Low 04:55:20 - 05:25:20 13115
CU-SBO 05:10:18 -22.5 Dark Up 24.6 188.4 Low 04:55:18 - 05:25:18 13112
Sisters 05:11:27 -12.1 AT Up 20.4 172.6 Low 04:56:27 - 05:26:27 13093
Bend 05:11:26 -12.4 AT Up 20.7 172.9 Low 04:56:26 - 05:26:26 13088
Oregon Observatory 05:11:26 -12.5 AT Up 20.9 172.7 Low 04:56:26 - 05:26:26 13079
Chiloquin 05:11:29 -13.3 AT Up 22.1 172.3 Low 04:56:29 - 05:26:29 13016
Klamath Falls 05:11:28 -13.5 AT Up 22.5 172.3 Low 04:56:28 - 05:26:28 13002
Cedarville 05:11:20 -14.8 AT Up 23.3 173.8 Low 04:56:20 - 05:26:20 12998
Fall River/Burney 05:11:27 -14.6 AT Up 23.7 172.6 Low 04:56:27 - 05:26:27 12955
Gimple 05:11:24 -15.5 AT Up 24.6 173.1 Low 04:56:24 - 05:26:24 12921
Greenville 05:11:24 -15.5 AT Up 24.6 173.0 Low 04:56:24 - 05:26:24 12920
Portola 05:11:23 -16.0 AT Up 25.0 173.5 Low 04:56:23 - 05:26:23 12912
Reno 05:11:19 -16.5 AT Up 25.3 174.1 Low 04:56:19 - 05:26:19 12910
Quincy 05:11:25 -15.6 AT Up 24.8 173.0 Low 04:56:25 - 05:26:25 12910
Yerington 05:11:17 -17.3 AT Up 25.9 174.7 Low 04:56:17 - 05:26:17 12894
Carson City 05:11:20 -16.8 AT Up 25.7 174.1 Low 04:56:20 - 05:26:20 12893
Gardnerville 05:11:19 -17.0 AT Up 25.9 174.1 Low 04:56:19 - 05:26:19 12882
Hawthorne 05:11:15 -17.9 AT Up 26.4 175.2 Low 04:56:15 - 05:26:15 12880
Lee Vining 05:11:17 -18.0 Dark Up 26.9 174.7 Low 04:56:17 - 05:26:17 12844
Beatty 05:11:07 -20.1 Dark Up 28.1 177.0 Low 04:56:07 - 05:26:07 12826
Bishop 05:11:13 -18.9 Dark Up 27.6 175.4 Low 04:56:13 - 05:26:13 12824
Patrick 05:10:55 -22.7 Dark Up 29.7 180.0 Low 04:55:55 - 05:25:55 12789
Laughlin/Bullhead City 05:10:56 -22.5 Dark Up 29.9 179.2 Low 04:55:56 - 05:25:56 12765
Lake Havasu City 05:10:57 -23.1 Dark Up 30.6 179.5 Up 04:55:57 - 05:25:57 12731
George/Scottsdale 05:10:44 -25.0 Dark Up 31.3 182.1 Up 04:55:44 - 05:25:44 12722
Idyllwild 05:11:06 -22.5 Dark Up 31.3 177.0 Up 04:56:06 - 05:26:06 12653
Wildwood 05:11:16 -21.2 Dark Up 30.8 175.1 Up 04:56:16 - 05:26:16 12641
Calipatria 05:11:00 -23.6 Dark Up 31.9 178.2 Up 04:56:00 - 05:26:00 12635
Yuma 05:10:57 -24.4 Dark Up 32.4 179.1 Up 04:55:57 - 05:25:57 12623

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 02GW32, (2024/07/13 05:10UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.48  57
23Tau Sco      16:35:52.9 -28:12:58  2.8  6.70  58
26 Oph         17:00:09.6 -24:59:22  5.8  0.41  63
PPM 266321     17:03:18.6 -24:59:44  8.1  0.33  64
PPM 266291     17:01:39.5 -24:56:29  9.2  0.07  64
02GW32         17:01:55.4 -24:54:26 15.9        64
Positions are for J2000

Event circumstances last updated at 2023/11/08 05:22:29 UT

Marc W. Buie, Southwest Research Institute

RECON