RECON: TNO occultation with 02GW32

Event between 02GW32 and star GA0640:10164489 with event index number of 1355795

Geocentric closest approach at 2024/07/13 05:10:08 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 1874 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 05:10:30 -11.7 NT Up 12.7 187.3 Really Low 04:55:30 - 05:25:30 13630
Kamloops 05:11:19 -7.9 NT Up 14.2 174.0 Really Low 04:56:19 - 05:26:19 13443
Kelowna 05:11:17 -8.9 NT Up 15.1 174.8 Really Low 04:56:17 - 05:26:17 13431
Peachland 05:11:18 -8.8 NT Up 15.2 174.5 Really Low 04:56:18 - 05:26:18 13424
Summerland 05:11:17 -9.0 NT Up 15.3 174.6 Really Low 04:56:17 - 05:26:17 13420
Penticton 05:11:16 -9.1 NT Up 15.4 174.7 Really Low 04:56:16 - 05:26:16 13420
Oliver 05:11:17 -9.3 NT Up 15.7 174.7 Really Low 04:56:17 - 05:26:17 13409
Anarchist Mountain Observatory 05:11:15 -9.5 NT Up 15.9 174.9 Really Low 04:56:15 - 05:26:15 13407
Okanogan 05:11:18 -9.9 NT Up 16.6 174.6 Really Low 04:56:18 - 05:26:18 13382
Brewster 05:11:17 -10.1 NT Up 16.8 174.4 Really Low 04:56:17 - 05:26:17 13370
Manson/Chelan 05:11:20 -10.1 NT Up 17.0 174.1 Really Low 04:56:20 - 05:26:20 13358
Wenatchee 05:11:21 -10.4 NT Up 17.5 173.9 Really Low 04:56:21 - 05:26:21 13339
Victoria 05:11:32 -8.2 NT Up 16.1 171.1 Really Low 04:56:32 - 05:26:32 13329
Ellensburg 05:11:20 -10.6 NT Up 17.8 173.7 Really Low 04:56:20 - 05:26:20 13321
PNWRO 05:11:15 -12.1 AT Up 18.9 175.2 Really Low 04:56:15 - 05:26:15 13309
Yakima 05:11:21 -10.9 NT Up 18.3 173.7 Really Low 04:56:21 - 05:26:21 13306
Toppenish/White Swan 05:11:20 -11.1 NT Up 18.5 173.8 Really Low 04:56:20 - 05:26:20 13300
The Dalles 05:11:23 -11.3 NT Up 19.2 173.0 Really Low 04:56:23 - 05:26:23 13258
Maupin 05:11:24 -11.7 NT Up 19.6 173.1 Really Low 04:56:24 - 05:26:24 13244
Dunrhomin 05:10:16 -22.3 Dark Up 24.4 188.5 Low 04:55:16 - 05:25:16 13232
Nikitin 05:10:17 -22.5 Dark Up 24.5 188.5 Low 04:55:17 - 05:25:17 13223
CU-SBO 05:10:19 -22.5 Dark Up 24.6 188.4 Low 04:55:19 - 05:25:19 13220
Sisters 05:11:25 -12.1 AT Up 20.4 172.6 Low 04:56:25 - 05:26:25 13201
Bend 05:11:25 -12.4 AT Up 20.7 172.9 Low 04:56:25 - 05:26:25 13196
Oregon Observatory 05:11:23 -12.5 AT Up 20.9 172.7 Low 04:56:23 - 05:26:23 13187
Chiloquin 05:11:27 -13.2 AT Up 22.1 172.3 Low 04:56:27 - 05:26:27 13124
Klamath Falls 05:11:25 -13.5 AT Up 22.5 172.3 Low 04:56:25 - 05:26:25 13110
Cedarville 05:11:21 -14.8 AT Up 23.3 173.8 Low 04:56:21 - 05:26:21 13106
Fall River/Burney 05:11:25 -14.6 AT Up 23.7 172.6 Low 04:56:25 - 05:26:25 13063
Gimple 05:11:21 -15.5 AT Up 24.6 173.1 Low 04:56:21 - 05:26:21 13029
Greenville 05:11:23 -15.5 AT Up 24.6 173.0 Low 04:56:23 - 05:26:23 13028
Portola 05:11:21 -16.0 AT Up 25.0 173.5 Low 04:56:21 - 05:26:21 13020
Reno 05:11:18 -16.5 AT Up 25.3 174.1 Low 04:56:18 - 05:26:18 13018
Quincy 05:11:23 -15.6 AT Up 24.8 173.0 Low 04:56:23 - 05:26:23 13018
Yerington 05:11:16 -17.3 AT Up 25.9 174.7 Low 04:56:16 - 05:26:16 13002
Carson City 05:11:18 -16.8 AT Up 25.7 174.1 Low 04:56:18 - 05:26:18 13001
Gardnerville 05:11:18 -17.0 AT Up 25.9 174.1 Low 04:56:18 - 05:26:18 12990
Hawthorne 05:11:14 -17.9 AT Up 26.4 175.2 Low 04:56:14 - 05:26:14 12988
Lee Vining 05:11:15 -18.0 Dark Up 26.9 174.7 Low 04:56:15 - 05:26:15 12952
Beatty 05:11:05 -20.0 Dark Up 28.1 177.0 Low 04:56:05 - 05:26:05 12934
Bishop 05:11:13 -18.9 Dark Up 27.6 175.4 Low 04:56:13 - 05:26:13 12932
Patrick 05:10:52 -22.6 Dark Up 29.7 180.0 Low 04:55:52 - 05:25:52 12897
Laughlin/Bullhead City 05:10:55 -22.5 Dark Up 29.9 179.2 Low 04:55:55 - 05:25:55 12873
Lake Havasu City 05:10:54 -23.1 Dark Up 30.6 179.5 Up 04:55:54 - 05:25:54 12839
George/Scottsdale 05:10:43 -25.0 Dark Up 31.3 182.0 Up 04:55:43 - 05:25:43 12830
Idyllwild 05:11:05 -22.5 Dark Up 31.3 177.0 Up 04:56:05 - 05:26:05 12761
Wildwood 05:11:13 -21.2 Dark Up 30.8 175.0 Up 04:56:13 - 05:26:13 12749
Calipatria 05:10:59 -23.6 Dark Up 31.9 178.2 Up 04:55:59 - 05:25:59 12743
Yuma 05:10:53 -24.4 Dark Up 32.4 179.1 Up 04:55:53 - 05:25:53 12731

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 05:22:21 UT

Marc W. Buie, Southwest Research Institute

RECON