RECON: TNO occultation with 32532

Event between (32532) Thereus and star GA0840:03834430 with event index number of 1007538

Geocentric closest approach at 2020/11/06 12:27:11 UTC

J2000 position of star is 09:43:56.3 -04:55:38
Equinox of date position of star is 09:44:53.7 -05:00:55
Stellar brightness G=15.4, use SENSEUP=128
Star is 44 degrees from the moon. Moon is 71% illuminated.
TNO apparent brightness V=20.4

[RECON map]
TNO is 12.3 AU from the Sun and 12.5 AU from the Earth.
The TNO is moving 17.0 km/sec on the sky relative to the star, or, 6.7 arcsec/hr.
The 1-sigma error in the time of the event is 68 seconds.
The 1-sigma cross-track error in the shadow position is 1137 km.
The sky-plane scale is 9065.8 km/arcsec.

The TNO has an absolute magnitude Hv=9.1
Diameter=91.2 km assuming a 5% albedo -- 5.4 sec chord
Diameter=37.2 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 32532, (2020/11/06 12:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:28.8 +11:51:52  1.3 17.95  40
Alphard        09:28:36.7 -08:45:00  2.0  5.51  44
33 Hya         09:35:35.1 -06:00:32  5.6  2.54  43
PPM 192687     09:45:33.3 -04:45:14  8.2  0.30  44
PPM 192678     09:45:02.2 -04:56:09  8.9  0.09  44
32532          09:44:59.1 -05:01:25 15.4        44
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 5.0 sigma about the mid-time.
The median site spacing is 16.7 km RECON observability=1.0 and success probability=26.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 12:22:55 -14.4 AT Up 41.6 154.0 Up 12:16:44 - 12:29:07 1490
Kelowna 12:22:00 -25.0 Dark Up 27.9 141.3 Low 12:15:48 - 12:28:11 1480
SwRI 12:22:54 -14.4 AT Up 41.7 153.8 Up 12:16:43 - 12:29:06 1477
Summerland 12:21:59 -25.3 Dark Up 27.8 140.9 Low 12:15:48 - 12:28:11 1460
Penticton 12:22:00 -25.2 Dark Up 28.1 141.0 Low 12:15:49 - 12:28:12 1443
Okanagan Falls 12:22:00 -25.2 Dark Up 28.3 140.9 Low 12:15:48 - 12:28:11 1427
Oliver 12:22:00 -25.2 Dark Up 28.4 140.9 Low 12:15:49 - 12:28:12 1415
Anarchist Mountain Observatory 12:22:00 -25.1 Dark Up 28.6 141.0 Low 12:15:49 - 12:28:12 1410
Oroville 12:22:01 -25.1 Dark Up 28.7 140.9 Low 12:15:49 - 12:28:12 1400
Tonasket 12:22:01 -25.1 Dark Up 28.8 140.8 Low 12:15:49 - 12:28:12 1382
Okanogan 12:22:00 -25.3 Dark Up 29.0 140.6 Low 12:15:49 - 12:28:12 1348
Brewster 12:22:01 -25.4 Dark Up 29.2 140.3 Low 12:15:49 - 12:28:12 1317
Manson/Chelan 12:22:00 -25.7 Dark Up 29.2 139.8 Low 12:15:48 - 12:28:11 1283
Entiat 12:22:00 -25.7 Dark Up 29.3 139.6 Low 12:15:48 - 12:28:11 1261
Wenatchee 12:22:00 -25.8 Dark Up 29.4 139.4 Low 12:15:48 - 12:28:11 1236
Pasco 12:22:04 -25.0 Dark Up 30.9 140.3 Up 12:15:53 - 12:28:16 1199
Ellensburg 12:22:00 -26.0 Dark Up 29.7 139.1 Low 12:15:48 - 12:28:11 1192
PNWRO 12:22:05 -24.9 Dark Up 31.2 140.4 Up 12:15:54 - 12:28:17 1190
George/Umatilla 12:22:04 -25.2 Dark Up 31.0 139.9 Up 12:15:53 - 12:28:16 1161
Yakima 12:22:00 -26.0 Dark Up 30.0 138.9 Low 12:15:49 - 12:28:12 1157
Toppenish/White Swan 12:22:01 -25.9 Dark Up 30.2 139.0 Up 12:15:49 - 12:28:12 1148
Goldendale 12:22:00 -26.3 Dark Up 30.4 138.3 Up 12:15:49 - 12:28:12 1081
The Dalles 12:22:00 -26.5 Dark Up 30.4 137.9 Up 12:15:49 - 12:28:12 1045
Maupin 12:22:01 -26.5 Dark Up 30.8 137.8 Up 12:15:49 - 12:28:12 1015
Madras/Culver 12:22:01 -26.5 Dark Up 31.2 137.6 Up 12:15:50 - 12:28:13 968
Redmond 12:22:02 -26.6 Dark Up 31.4 137.4 Up 12:15:50 - 12:28:13 935
Sisters 12:22:00 -26.9 Dark Up 31.2 137.0 Up 12:15:49 - 12:28:12 917
Bend 12:22:02 -26.7 Dark Up 31.5 137.1 Up 12:15:50 - 12:28:13 910
Oregon Observatory 12:22:01 -26.8 Dark Up 31.6 136.9 Up 12:15:49 - 12:28:12 889
La Pine/Gilchrist 12:22:02 -26.9 Dark Up 31.7 136.8 Up 12:15:50 - 12:28:13 869
North Lake 12:22:03 -26.4 Dark Up 32.3 137.2 Up 12:15:52 - 12:28:15 862
Paisley 12:22:05 -26.2 Dark Up 32.9 137.4 Up 12:15:54 - 12:28:17 835
Lakeview 12:22:06 -26.1 Dark Up 33.4 137.3 Up 12:15:54 - 12:28:17 802
Chiloquin 12:22:02 -27.2 Dark Up 32.3 135.9 Up 12:15:50 - 12:28:13 757
Cedarville 12:22:08 -25.9 Dark Up 33.9 137.2 Up 12:15:56 - 12:28:19 756
Klamath Falls 12:22:03 -27.1 Dark Up 32.6 135.9 Up 12:15:51 - 12:28:14 732
Tulelake 12:22:04 -26.9 Dark Up 32.9 136.1 Up 12:15:52 - 12:28:15 724
Fall River/Burney 12:22:05 -26.9 Dark Up 33.6 135.7 Up 12:15:54 - 12:28:17 651
Susanville 12:22:09 -26.3 Dark Up 34.5 136.2 Up 12:15:57 - 12:28:20 637
Tonopah 12:22:23 -23.6 Dark Up 38.1 138.7 Up 12:16:11 - 12:28:34 628
DCO 12:22:41 -20.0 Dark Up 42.5 141.8 Up 12:16:30 - 12:28:53 626
Reno 12:22:12 -25.7 Dark Up 35.6 136.7 Up 12:16:01 - 12:28:24 608
Patrick 12:22:38 -20.6 Dark Up 41.8 141.1 Up 12:16:27 - 12:28:50 607
Gimple 12:22:08 -26.5 Dark Up 34.6 135.9 Up 12:15:57 - 12:28:20 602
Greenville 12:22:08 -26.5 Dark Up 34.5 135.8 Up 12:15:57 - 12:28:20 598
Yerington 12:22:15 -25.1 Dark Up 36.3 137.1 Up 12:16:04 - 12:28:27 597
Portola 12:22:10 -26.2 Dark Up 35.0 136.1 Up 12:15:58 - 12:28:21 595
Indian Springs 12:22:30 -22.2 Dark Up 40.0 139.7 Up 12:16:19 - 12:28:42 594
Henderson 12:22:34 -21.6 Dark Up 40.8 140.2 Up 12:16:22 - 12:28:45 591
Hawthorne 12:22:17 -24.7 Dark Up 37.0 137.4 Up 12:16:06 - 12:28:29 587
Quincy 12:22:09 -26.5 Dark Up 34.7 135.7 Up 12:15:57 - 12:28:20 581
Carson City 12:22:13 -25.6 Dark Up 35.8 136.5 Up 12:16:01 - 12:28:24 579
Kingman/Dolan Springs 12:22:38 -20.8 Dark Up 41.9 140.8 Up 12:16:27 - 12:28:50 578
Gardnerville 12:22:13 -25.6 Dark Up 36.0 136.4 Up 12:16:02 - 12:28:25 561
Beatty 12:22:26 -23.1 Dark Up 39.2 138.6 Up 12:16:15 - 12:28:38 558
Searchlight/Boulder City 12:22:35 -21.5 Dark Up 41.3 139.9 Up 12:16:24 - 12:28:47 548
Laughlin/Bullhead City 12:22:37 -21.2 Dark Up 41.7 140.1 Up 12:16:25 - 12:28:48 545
Mohave Valley 12:22:37 -21.2 Dark Up 41.9 140.0 Up 12:16:26 - 12:28:49 523
Lee Vining 12:22:17 -25.1 Dark Up 37.1 136.6 Up 12:16:06 - 12:28:29 513
Lake Havasu City 12:22:39 -20.9 Dark Up 42.3 140.1 Up 12:16:28 - 12:28:51 505
Bishop 12:22:20 -24.5 Dark Up 37.9 137.1 Up 12:16:09 - 12:28:32 503
Parker 12:22:40 -20.9 Dark Up 42.6 139.9 Up 12:16:28 - 12:28:51 478
Lone Pine 12:22:23 -24.2 Dark Up 38.7 137.0 Up 12:16:11 - 12:28:34 458
Blythe 12:22:41 -21.0 Dark Up 42.8 139.2 Up 12:16:29 - 12:28:52 417
Yuma 12:22:43 -21.0 Dark Up 43.5 138.6 Up 12:16:31 - 12:28:54 339
Calipatria 12:22:39 -21.8 Dark Up 42.7 137.9 Up 12:16:27 - 12:28:50 319
Idyllwild 12:22:33 -22.8 Dark Up 41.6 136.9 Up 12:16:22 - 12:28:45 298
Wildwood 12:22:27 -24.4 Dark Up 40.2 135.1 Up 12:16:15 - 12:28:38 216
CPSLO 12:22:18 -26.2 Dark Up 38.1 133.6 Up 12:16:07 - 12:28:30 200

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 32532, (2020/11/06 12:27UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 17.95  40
Alphard        09:27:35.2 -08:39:31  2.0  5.51  44
33 Hya         09:34:32.7 -05:54:55  5.6  2.54  43
PPM 192687     09:44:30.4 -04:39:26  8.2  0.30  44
PPM 192678     09:43:59.5 -04:50:22  8.9  0.09  44
32532          09:43:56.3 -04:55:38 15.4        44
Positions are for J2000

Event circumstances last updated at 2019/01/29 03:54:47 UT

Marc W. Buie, Southwest Research Institute

RECON