RECON: TNO occultation with 03TH58

Event between 03TH58 and star GA0980:02175594 with event index number of 2003501

Geocentric closest approach at 2022/11/20 13:34:46 UTC

J2000 position of star is 06:43:32.3 +08:27:55
Equinox of date position of star is 06:44:43.6 +08:26:32
Stellar brightness G=14.0, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 94 degrees from the moon. Moon is 14% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 36.7 AU from the Sun and 35.9 AU from the Earth.
The TNO is moving 19.0 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 214 seconds.
The 1-sigma cross-track error in the shadow position is 2764 km.
The sky-plane scale is 26072.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=194.1 km assuming a 5% albedo -- 11.5 sec chord
Diameter=79.2 km assuming a 30% albedo -- 4.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03TH58, (2022/11/20 13:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.7 +07:24:34  0.4 12.02 106
Alhena         06:39:02.0 +16:22:40  1.9  8.06  96
16 Mon         06:47:47.3 +08:33:40  5.9  0.75  93
PPM 151151     06:45:36.9 +08:18:17  8.2  0.25  94
PPM 151125     06:45:00.6 +08:26:03 10.3  0.06  94
03TH58         06:44:47.1 +08:26:27 14.0        94
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 4.2 sigma about the mid-time.
The median site spacing is 23.8 km RECON observability=0.6 and success probability=6.4%
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 13:31:20 -16.9 AT Up 35.6 234.8 Up 13:16:20 - 13:46:20 4304
Kelowna 13:31:20 -16.9 AT Up 35.9 234.8 Up 13:16:20 - 13:46:20 4270
Peachland 13:31:21 -17.1 AT Up 36.1 234.6 Up 13:16:21 - 13:46:21 4262
Summerland 13:31:20 -17.0 AT Up 36.1 234.8 Up 13:16:20 - 13:46:20 4247
Penticton 13:31:19 -16.9 AT Up 36.1 234.9 Up 13:16:19 - 13:46:19 4240
Oliver 13:31:19 -16.8 AT Up 36.3 235.1 Up 13:16:19 - 13:46:19 4207
Anarchist Mountain Observatory 13:31:18 -16.7 AT Up 36.3 235.4 Up 13:16:18 - 13:46:18 4189
Victoria 13:31:29 -19.2 Dark Up 38.7 231.5 Up 13:16:29 - 13:46:29 4185
Tonasket 13:31:17 -16.7 AT Up 36.5 235.5 Up 13:16:17 - 13:46:17 4160
Okanogan 13:31:19 -16.7 AT Up 36.8 235.6 Up 13:16:19 - 13:46:19 4130
Brewster 13:31:19 -16.8 AT Up 37.1 235.6 Up 13:16:19 - 13:46:19 4106
Manson/Chelan 13:31:18 -17.0 AT Up 37.4 235.3 Up 13:16:18 - 13:46:18 4090
Wenatchee 13:31:18 -17.0 AT Up 37.8 235.4 Up 13:16:18 - 13:46:18 4046
Ellensburg 13:31:18 -17.1 AT Up 38.1 235.5 Up 13:16:18 - 13:46:18 4009
Yakima 13:31:19 -17.0 AT Up 38.4 235.7 Up 13:16:19 - 13:46:19 3970
Toppenish/White Swan 13:31:17 -16.8 AT Up 38.4 236.0 Up 13:16:17 - 13:46:17 3947
Pasco 13:31:13 -16.0 AT Up 37.7 237.4 Up 13:16:13 - 13:46:13 3922
Goldendale 13:31:18 -17.0 AT Up 38.9 236.0 Up 13:16:18 - 13:46:18 3898
PNWRO 13:31:12 -15.8 AT Up 37.7 237.8 Up 13:16:12 - 13:46:12 3896
The Dalles 13:31:19 -17.2 AT Up 39.3 235.7 Up 13:16:19 - 13:46:19 3880
Maupin 13:31:18 -17.1 AT Up 39.4 236.1 Up 13:16:18 - 13:46:18 3838
Sisters 13:31:18 -17.2 AT Up 40.2 236.2 Up 13:16:18 - 13:46:18 3758
Redmond 13:31:17 -17.0 AT Up 40.0 236.7 Up 13:16:17 - 13:46:17 3751
Bend 13:31:19 -17.0 AT Up 40.2 236.7 Up 13:16:19 - 13:46:19 3731
Oregon Observatory 13:31:18 -17.1 AT Up 40.4 236.7 Up 13:16:18 - 13:46:18 3716
La Pine/Gilchrist 13:31:17 -17.1 AT Up 40.5 236.7 Up 13:16:17 - 13:46:17 3696
North Lake 13:31:15 -16.6 AT Up 40.4 237.6 Up 13:16:15 - 13:46:15 3646
Chiloquin 13:31:18 -17.1 AT Up 41.3 237.2 Up 13:16:18 - 13:46:18 3590
Paisley 13:31:13 -16.2 AT Up 40.5 238.4 Up 13:16:13 - 13:46:13 3587
Klamath Falls 13:31:17 -17.0 AT Up 41.5 237.5 Up 13:16:17 - 13:46:17 3555
Lakeview 13:31:12 -16.0 AT Up 40.6 239.0 Up 13:16:12 - 13:46:12 3534
Cedarville 13:31:11 -15.7 AT Up 40.8 239.6 Up 13:16:11 - 13:46:11 3466
Fall River/Burney 13:31:14 -16.5 AT Up 41.9 238.8 Up 13:16:14 - 13:46:14 3432
Susanville 13:31:11 -15.8 AT Up 41.7 240.0 Up 13:16:11 - 13:46:11 3359
Greenville 13:31:12 -16.0 AT Up 42.0 239.9 Up 13:16:12 - 13:46:12 3335
Gimple 13:31:13 -15.9 AT Up 42.0 240.0 Up 13:16:13 - 13:46:13 3333
Quincy 13:31:12 -15.9 AT Up 42.1 240.1 Up 13:16:12 - 13:46:12 3314
Portola 13:31:11 -15.5 AT Up 41.9 240.6 Up 13:16:11 - 13:46:11 3296
Reno 13:31:07 -15.0 AT Up 41.6 241.5 Up 13:16:07 - 13:46:07 3261
Carson City 13:31:08 -14.9 AT Up 41.7 241.8 Up 13:16:08 - 13:46:08 3224
Dunrhomin 13:30:26 -4.6 CT Up 31.1 253.4 Up 13:15:26 - 13:45:26 3215
Gardnerville 13:31:07 -14.8 AT Up 41.8 242.0 Up 13:16:07 - 13:46:07 3198
Yerington 13:31:06 -14.4 AT Up 41.4 242.5 Up 13:16:06 - 13:46:06 3197
Hawthorne 13:31:03 -13.9 AT Up 41.3 243.4 Up 13:16:03 - 13:46:03 3143
Lee Vining 13:31:04 -14.1 AT Up 41.9 243.4 Up 13:16:04 - 13:46:04 3090
Tonopah 13:30:58 -12.7 AT Up 40.5 245.0 Up 13:15:58 - 13:45:58 3079
Bishop 13:31:02 -13.4 AT Up 41.6 244.5 Up 13:16:02 - 13:46:02 3020
Beatty 13:30:56 -12.0 AT Up 40.6 246.3 Up 13:15:56 - 13:45:56 2954
Indian Springs 13:30:51 -11.1 NT Up 40.0 247.5 Up 13:15:51 - 13:45:51 2908
Henderson 13:30:49 -10.4 NT Up 39.7 248.5 Up 13:15:49 - 13:45:49 2845
CPSLO 13:31:08 -14.6 AT Up 44.1 244.2 Up 13:16:08 - 13:46:08 2832
Patrick 13:30:45 -9.4 NT Up 39.1 249.9 Up 13:15:45 - 13:45:45 2769
Laughlin/Bullhead City 13:30:47 -9.9 NT Up 39.7 249.5 Up 13:15:47 - 13:45:47 2749
Kingman/Dolan Springs 13:30:45 -9.5 NT Up 39.3 249.9 Up 13:15:45 - 13:45:45 2747
Mohave Valley 13:30:47 -9.8 NT Up 39.8 249.7 Up 13:15:47 - 13:45:47 2720
Wildwood 13:31:00 -12.7 AT Up 43.1 247.0 Up 13:16:00 - 13:46:00 2679
Lake Havasu City 13:30:46 -9.5 NT Up 39.7 250.2 Up 13:15:46 - 13:45:46 2676
Parker 13:30:45 -9.4 NT Up 39.8 250.5 Up 13:15:45 - 13:45:45 2638
Idyllwild 13:30:54 -11.1 NT Up 41.8 248.9 Up 13:15:54 - 13:45:54 2620
Blythe 13:30:46 -9.4 NT Up 40.2 250.7 Up 13:15:46 - 13:45:46 2585
George/Scottsdale 13:30:37 -7.3 NT Up 38.1 252.7 Up 13:15:37 - 13:45:37 2570
Calipatria 13:30:49 -10.0 NT Up 41.1 250.4 Up 13:15:49 - 13:45:49 2542
Yuma 13:30:46 -9.2 NT Up 40.5 251.4 Up 13:15:46 - 13:45:46 2487

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 03TH58, (2022/11/20 13:35UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 12.02 106
Alhena         06:37:42.8 +16:23:57  1.9  8.06  96
16 Mon         06:46:32.4 +08:35:13  5.9  0.75  93
PPM 151151     06:44:22.1 +08:19:47  8.2  0.25  94
PPM 151125     06:43:45.8 +08:27:31 10.3  0.06  94
03TH58         06:43:32.3 +08:27:55 14.0        94
Positions are for J2000

Event circumstances last updated at 2021/10/26 23:58:17 UT

Marc W. Buie, Southwest Research Institute

RECON