RECON: TNO occultation with 96TS66

Event between 96TS66 and star GA1160:00888454 with event index number of 1047126

Geocentric closest approach at 2021/02/01 03:30:46 UTC

J2000 position of star is 04:45:35.1 +26:15:10
Equinox of date position of star is 04:46:53.0 +26:17:24
Stellar brightness G=14.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 102 degrees from the moon. Moon is 87% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 38.4 AU from the Sun and 37.8 AU from the Earth.
The TNO is moving 11.0 km/sec on the sky relative to the star, or, 1.4 arcsec/hr.
The 1-sigma error in the time of the event is 250 seconds.
The 1-sigma cross-track error in the shadow position is 1534 km.
The sky-plane scale is 27447.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.1
Diameter=361.4 km assuming a 5% albedo -- 32.8 sec chord
Diameter=147.5 km assuming a 30% albedo -- 13.4 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 96TS66, (2021/02/01 03:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:08.0 +16:33:00  0.8 10.00 106
3Iot Aur       04:58:22.2 +33:11:51  2.7  7.34  98
PPM 093661     04:40:40.5 +25:15:30  6.3  1.74 103
PPM 093748     04:47:30.0 +26:04:20  7.4  0.26 101
PPM 093746     04:47:20.8 +26:20:52 10.6  0.12 101
96TS66         04:46:53.1 +26:17:24 14.8       101
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 3.6 sigma about the mid-time.
The median site spacing is 27.1 km RECON observability=1.0 and success probability=32.7%
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 03:30:12 -25.7 Dark Down 65.5 165.6 Up 03:15:12 - 03:45:12 1419
Kelowna 03:30:15 -25.6 Dark Down 65.8 165.1 Up 03:15:15 - 03:45:15 1387
Peachland 03:30:16 -25.4 Dark Down 65.9 164.4 Up 03:15:16 - 03:45:16 1385
Victoria 03:30:43 -23.1 Dark Down 66.3 155.9 Up 03:15:43 - 03:45:43 1373
Summerland 03:30:17 -25.5 Dark Down 66.0 164.5 Up 03:15:17 - 03:45:17 1369
Penticton 03:30:16 -25.6 Dark Down 66.1 164.7 Up 03:15:16 - 03:45:16 1359
Oliver 03:30:17 -25.6 Dark Down 66.5 164.5 Up 03:15:17 - 03:45:17 1327
Anarchist Mountain Observatory 03:30:18 -25.7 Dark Down 66.7 164.9 Up 03:15:18 - 03:45:18 1305
Tonasket 03:30:20 -25.7 Dark Down 67.0 164.5 Up 03:15:20 - 03:45:20 1278
Okanogan 03:30:20 -25.6 Dark Down 67.3 164.0 Up 03:15:20 - 03:45:20 1251
Brewster 03:30:24 -25.5 Dark Down 67.5 163.4 Up 03:15:24 - 03:45:24 1231
Manson/Chelan 03:30:26 -25.3 Dark Down 67.6 162.4 Up 03:15:26 - 03:45:26 1221
Wenatchee 03:30:29 -25.2 Dark Down 68.0 161.7 Up 03:15:29 - 03:45:29 1181
Ellensburg 03:30:32 -25.1 Dark Down 68.4 160.9 Up 03:15:32 - 03:45:32 1148
Yakima 03:30:34 -25.1 Dark Down 68.8 160.5 Up 03:15:34 - 03:45:34 1110
Toppenish/White Swan 03:30:34 -25.2 Dark Down 69.0 160.7 Up 03:15:34 - 03:45:34 1085
Goldendale 03:30:38 -24.9 Dark Down 69.4 159.2 Up 03:15:38 - 03:45:38 1045
Pasco 03:30:27 -26.1 Dark Down 69.4 163.7 Up 03:15:27 - 03:45:27 1037
The Dalles 03:30:42 -24.7 Dark Down 69.5 158.1 Up 03:15:42 - 03:45:42 1034
PNWRO 03:30:26 -26.2 Dark Down 69.7 164.1 Up 03:15:26 - 03:45:26 1007
Maupin 03:30:43 -24.8 Dark Down 70.0 158.0 Up 03:15:43 - 03:45:43 991
Sisters 03:30:49 -24.4 Dark Down 70.6 155.9 Up 03:15:49 - 03:45:49 922
Redmond 03:30:48 -24.7 Dark Down 70.8 156.8 Up 03:15:48 - 03:45:48 907
Bend 03:30:49 -24.6 Dark Down 70.9 156.2 Up 03:15:49 - 03:45:49 891
Oregon Observatory 03:30:50 -24.5 Dark Down 71.1 155.7 Up 03:15:50 - 03:45:50 878
La Pine/Gilchrist 03:30:52 -24.5 Dark Down 71.2 155.3 Up 03:15:52 - 03:45:52 860
North Lake 03:30:49 -24.9 Dark Down 71.8 156.4 Up 03:15:49 - 03:45:49 800
Paisley 03:30:49 -25.2 Dark Down 72.4 156.7 Up 03:15:49 - 03:45:49 735
Klamath Falls 03:30:59 -24.3 Dark Down 72.5 152.7 Up 03:15:59 - 03:45:59 728
Lakeview 03:30:50 -25.3 Dark Down 72.9 156.6 Up 03:15:50 - 03:45:50 680
Cedarville 03:30:51 -25.4 Dark Down 73.6 156.3 Up 03:15:51 - 03:45:51 610
Fall River/Burney 03:31:02 -24.5 Dark Down 73.6 152.0 Up 03:16:02 - 03:46:02 601
Susanville 03:30:58 -25.1 Dark Down 74.4 153.2 Up 03:15:58 - 03:45:58 516
Greenville 03:31:02 -24.8 Dark Down 74.6 151.9 Up 03:16:02 - 03:46:02 498
Gimple 03:31:02 -24.9 Dark Down 74.6 152.2 Up 03:16:02 - 03:46:02 495
Quincy 03:31:02 -24.8 Dark Down 74.8 151.6 Up 03:16:02 - 03:46:02 478
Portola 03:30:59 -25.2 Dark Down 75.1 152.8 Up 03:15:59 - 03:45:59 450
Reno 03:30:56 -25.7 Dark Down 75.5 154.4 Up 03:15:56 - 03:45:56 403
Carson City 03:30:57 -25.7 Dark Down 75.8 153.9 Up 03:15:57 - 03:45:57 366
Gardnerville 03:30:58 -25.7 Dark Down 76.1 153.7 Up 03:15:58 - 03:45:58 341
Yerington 03:30:54 -26.2 Dark Down 76.2 155.7 Up 03:15:54 - 03:45:54 327
Hawthorne 03:30:51 -26.6 Dark Down 76.8 156.8 Up 03:15:51 - 03:45:51 264
Lee Vining 03:30:57 -26.2 Dark Down 77.2 154.1 Up 03:15:57 - 03:45:57 223
Tonopah 03:30:43 -27.6 Dark Down 77.6 161.4 Up 03:15:43 - 03:45:43 172
Bishop 03:30:54 -26.7 Dark Down 78.0 155.7 Up 03:15:54 - 03:45:54 139
Dunrhomin 03:29:10 -36.5 Dark Down 74.7 205.7 Up 03:14:10 - 03:44:10 75
Beatty 03:30:44 -28.0 Dark Down 78.8 161.6 Up 03:15:44 - 03:45:44 41
CPSLO 03:31:18 -24.9 Dark Down 78.8 141.9 Up 03:16:18 - 03:46:18 5
Indian Springs 03:30:37 -28.8 Dark Down 79.4 166.0 Up 03:15:37 - 03:45:37 -26
Henderson 03:30:33 -29.4 Dark Down 80.0 168.7 Up 03:15:33 - 03:45:33 -102
Wildwood 03:31:07 -26.5 Dark Down 80.8 146.6 Up 03:16:07 - 03:46:07 -186
Patrick 03:30:27 -30.3 Dark Down 80.8 173.9 Up 03:15:27 - 03:45:27 -200
Laughlin/Bullhead City 03:30:33 -29.7 Dark Down 81.0 169.9 Up 03:15:33 - 03:45:33 -204
Kingman/Dolan Springs 03:30:29 -30.1 Dark Down 81.0 172.8 Up 03:15:29 - 03:45:29 -218
Mohave Valley 03:30:34 -29.7 Dark Down 81.2 169.6 Up 03:15:34 - 03:45:34 -233
Lake Havasu City 03:30:33 -29.9 Dark Down 81.7 170.6 Up 03:15:33 - 03:45:33 -281
Idyllwild 03:30:54 -28.0 Dark Down 81.8 155.2 Up 03:15:54 - 03:45:54 -285
Parker 03:30:34 -29.9 Dark Down 82.0 170.4 Up 03:15:34 - 03:45:34 -319
Blythe 03:30:39 -29.7 Dark Down 82.5 167.9 Up 03:15:39 - 03:45:39 -364
Calipatria 03:30:48 -28.9 Dark Down 82.8 160.8 Up 03:15:48 - 03:45:48 -386
George/Scottsdale 03:30:17 -31.9 Dark Down 82.5 186.1 Up 03:15:17 - 03:45:17 -436
Yuma 03:30:42 -29.6 Dark Down 83.4 166.0 Up 03:15:42 - 03:45:42 -459

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 96TS66, (2021/02/01 03:31UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 10.00 106
3Iot Aur       04:56:59.6 +33:09:58  2.7  7.34  98
PPM 093661     04:39:23.2 +25:13:05  6.3  1.74 103
PPM 093748     04:46:12.1 +26:02:07  7.4  0.26 101
PPM 093746     04:46:02.8 +26:18:39 10.6  0.12 101
96TS66         04:45:35.1 +26:15:10 14.8       102
Positions are for J2000

Event circumstances last updated at 2021/01/24 20:34:38 UT

Marc W. Buie, Southwest Research Institute

RECON