RECON: TNO occultation with 13KZ18

Event between 13KZ18 and star GA1160:15946779 with event index number of 357447

Geocentric closest approach at 2020/09/30 03:25:32 UTC

J2000 position of star is 23:16:48.4 +26:59:39
Equinox of date position of star is 23:17:47.9 +27:06:17
Stellar brightness G=16.3, use SENSEUP=128
Star is 36 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 19.4 AU from the Sun and 18.5 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 6.0 arcsec/hr.
The 1-sigma error in the time of the event is 82 seconds.
The 1-sigma cross-track error in the shadow position is 2017 km.
The sky-plane scale is 13433.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=97.7 km assuming a 5% albedo -- 2.7 sec chord
Diameter=39.9 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 13KZ18, (2020/09/30 03:26UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:08.4 +45:21:19  1.3 35.82  66
Scheat         23:04:47.0 +28:11:44  2.4  3.09  38
61 Peg         23:16:47.3 +28:21:41  6.5  1.27  38
PPM 115362     23:20:25.0 +26:35:41  7.9  0.77  36
PPM 115306     23:16:52.7 +27:35:46  9.9  0.53  37
PPM 115333     23:18:37.9 +27:02:34 10.1  0.19  36
13KZ18         23:17:49.6 +27:06:28 16.3        36
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 17.1 km RECON observability=1.0 and success probability=1.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 03:27:00 -15.9 AT Up 45.0 99.3 Up 03:19:41 - 03:34:20 7661
Clarence Fulton 03:26:46 -18.0 AT Up 47.2 104.7 Up 03:19:27 - 03:34:06 7595
Peachland 03:26:49 -17.8 AT Up 47.1 103.8 Up 03:19:29 - 03:34:08 7584
Kelowna 03:26:48 -18.0 AT Up 47.2 104.2 Up 03:19:29 - 03:34:08 7578
Summerland 03:26:49 -17.9 AT Up 47.2 103.7 Up 03:19:30 - 03:34:09 7571
Penticton 03:26:50 -18.0 Dark Up 47.3 103.8 Up 03:19:31 - 03:34:10 7562
Oliver 03:26:51 -18.1 Dark Up 47.3 103.4 Up 03:19:32 - 03:34:11 7541
Anarchist Mountain Observatory 03:26:52 -18.3 Dark Up 47.5 103.4 Up 03:19:32 - 03:34:11 7523
Tonasket 03:26:53 -18.4 Dark Up 47.5 103.0 Up 03:19:33 - 03:34:12 7507
Okanogan 03:26:55 -18.4 Dark Up 47.5 102.5 Up 03:19:35 - 03:34:14 7492
Manson/Chelan 03:26:58 -18.2 Dark Up 47.3 101.5 Up 03:19:38 - 03:34:17 7487
Brewster 03:26:56 -18.3 Dark Up 47.5 102.1 Up 03:19:37 - 03:34:16 7484
Entiat 03:26:58 -18.2 Dark Up 47.3 101.2 Up 03:19:39 - 03:34:18 7476
Wenatchee 03:27:00 -18.2 Dark Up 47.2 100.9 Up 03:19:40 - 03:34:19 7465
Ellensburg 03:27:02 -18.2 Dark Up 47.2 100.3 Up 03:19:42 - 03:34:21 7449
Yakima 03:27:04 -18.3 Dark Up 47.2 99.8 Up 03:19:45 - 03:34:24 7424
Toppenish/White Swan 03:27:04 -18.4 Dark Up 47.4 99.7 Up 03:19:45 - 03:34:24 7403
The Dalles 03:27:08 -18.1 Dark Up 47.0 98.2 Up 03:19:49 - 03:34:28 7388
Goldendale 03:27:07 -18.3 Dark Up 47.2 98.8 Up 03:19:47 - 03:34:26 7386
Maupin 03:27:10 -18.3 Dark Up 47.1 97.9 Up 03:19:51 - 03:34:30 7357
Pasco 03:27:02 -19.3 Dark Up 48.3 100.7 Up 03:19:43 - 03:34:22 7340
Sisters 03:27:15 -18.2 Dark Up 46.9 96.6 Up 03:19:55 - 03:34:34 7322
PNWRO 03:27:03 -19.5 Dark Up 48.5 100.6 Up 03:19:44 - 03:34:23 7314
Redmond 03:27:14 -18.5 Dark Up 47.2 96.9 Up 03:19:55 - 03:34:34 7303
Bend 03:27:15 -18.4 Dark Up 47.1 96.5 Up 03:19:56 - 03:34:35 7295
Oregon Observatory 03:27:16 -18.4 Dark Up 47.0 96.2 Up 03:19:56 - 03:34:35 7290
La Pine/Gilchrist 03:27:17 -18.4 Dark Up 47.0 96.0 Up 03:19:58 - 03:34:37 7279
North Lake 03:27:18 -18.9 Dark Up 47.5 96.0 Up 03:19:58 - 03:34:37 7223
Klamath Falls 03:27:24 -18.6 Dark Up 47.0 94.2 Up 03:20:04 - 03:34:43 7196
Paisley 03:27:19 -19.3 Dark Up 47.8 95.7 Up 03:20:00 - 03:34:39 7170
Lakeview 03:27:21 -19.6 Dark Up 48.0 95.2 Up 03:20:01 - 03:34:40 7126
Fall River/Burney 03:27:27 -19.1 Dark Up 47.3 93.3 Up 03:20:08 - 03:34:47 7098
Cedarville 03:27:23 -19.9 Dark Up 48.2 94.7 Up 03:20:03 - 03:34:42 7073
Susanville 03:27:28 -19.8 Dark Up 47.9 93.1 Up 03:20:09 - 03:34:48 7019
Greenville 03:27:30 -19.7 Dark Up 47.7 92.6 Up 03:20:10 - 03:34:49 7014
Gimple 03:27:31 -19.8 Dark Up 47.8 92.6 Up 03:20:12 - 03:34:51 7010
Quincy 03:27:30 -19.7 Dark Up 47.8 92.4 Up 03:20:11 - 03:34:50 6999
Portola 03:27:31 -20.1 Dark Up 48.1 92.6 Up 03:20:11 - 03:34:50 6968
Reno 03:27:30 -20.7 Dark Up 48.6 92.7 Up 03:20:11 - 03:34:50 6917
Carson City 03:27:31 -20.8 Dark Up 48.7 92.3 Up 03:20:12 - 03:34:51 6891
Gardnerville 03:27:32 -20.9 Dark Up 48.7 92.1 Up 03:20:13 - 03:34:52 6871
Yerington 03:27:31 -21.3 Dark Up 49.2 92.5 Up 03:20:12 - 03:34:51 6846
Hawthorne 03:27:32 -21.8 Dark Up 49.6 92.3 Up 03:20:13 - 03:34:52 6786
Lee Vining 03:27:35 -21.6 Dark Up 49.3 91.3 Up 03:20:15 - 03:34:54 6769
Bishop 03:27:36 -22.3 Dark Up 49.8 91.1 Up 03:20:17 - 03:34:56 6689
Tonopah 03:27:31 -23.0 Dark Up 50.7 92.7 Up 03:20:11 - 03:34:50 6682
CPSLO 03:27:48 -21.0 Dark Up 48.0 87.5 Up 03:20:28 - 03:35:07 6649
Beatty 03:27:34 -23.7 Dark Up 51.2 91.6 Up 03:20:14 - 03:34:53 6572
Indian Springs 03:27:32 -24.6 Dark Up 52.0 91.8 Up 03:20:13 - 03:34:52 6493
Wildwood 03:27:48 -22.9 Dark Up 49.7 87.2 Up 03:20:28 - 03:35:07 6451
Henderson 03:27:33 -25.3 Dark Up 52.6 91.6 Up 03:20:13 - 03:34:52 6416
Searchlight/Boulder City 03:27:35 -25.5 Dark Up 52.7 90.9 Up 03:20:16 - 03:34:55 6369
Laughlin/Bullhead City 03:27:36 -25.8 Dark Up 53.0 90.7 Up 03:20:16 - 03:34:55 6327
Idyllwild 03:27:45 -24.5 Dark Up 51.2 87.7 Up 03:20:26 - 03:35:05 6325
Patrick 03:27:33 -26.3 Dark Up 53.5 91.4 Up 03:20:13 - 03:34:52 6311
Mohave Valley 03:27:36 -25.9 Dark Up 53.0 90.3 Up 03:20:17 - 03:34:56 6305
Kingman/Dolan Springs 03:27:34 -26.2 Dark Up 53.4 91.0 Up 03:20:14 - 03:34:53 6303
Niwot 03:26:55 -31.0 Dark Up 59.6 105.2 Up 03:19:36 - 03:34:15 6262
Lake Havasu City 03:27:37 -26.2 Dark Up 53.2 89.9 Up 03:20:17 - 03:34:56 6261
SwRI 03:26:56 -31.0 Dark Up 59.5 104.9 Up 03:19:36 - 03:34:15 6258
DCO 03:27:33 -27.0 Dark Up 54.1 91.4 Up 03:20:13 - 03:34:52 6250
Parker 03:27:39 -26.4 Dark Up 53.2 89.5 Up 03:20:19 - 03:34:58 6231
Calipatria 03:27:44 -25.6 Dark Up 52.2 87.5 Up 03:20:25 - 03:35:04 6214
Blythe 03:27:41 -26.3 Dark Up 53.0 88.6 Up 03:20:21 - 03:35:00 6205
Yuma 03:27:45 -26.5 Dark Up 52.9 87.4 Up 03:20:26 - 03:35:05 6133
George/Scottsdale 03:27:35 -28.4 Dark Up 55.2 90.2 Up 03:20:15 - 03:34:54 6071

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 13KZ18, (2020/09/30 03:26UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 35.82  66
Scheat         23:03:46.8 +28:05:01  2.4  3.09  38
61 Peg         23:15:46.3 +28:14:52  6.5  1.27  38
PPM 115362     23:19:23.7 +26:28:52  7.9  0.77  36
PPM 115306     23:15:51.6 +27:28:58  9.9  0.53  37
PPM 115333     23:17:36.7 +26:55:45 10.1  0.19  36
13KZ18         23:16:48.4 +26:59:39 16.3        36
Positions are for J2000

Event circumstances last updated at 2020/03/10 22:12:37 UT

Marc W. Buie, Southwest Research Institute

RECON