RECON: TNO occultation with 13UG17

Event between 13UG17 and star GA0960:00130906 with event index number of 220027

Geocentric closest approach at 2019/09/16 08:47:02 UTC

J2000 position of star is 01:30:38.7 +07:16:27
Equinox of date position of star is 01:31:36.6 +07:22:07
Stellar brightness G=12.0, use SENSEUP=16
Star is 7 degrees from the moon. Moon is 96% illuminated.
TNO apparent brightness V=24.5

[RECON map]
TNO is 41.4 AU from the Sun and 40.5 AU from the Earth.
The TNO is moving 21.0 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 481 seconds.
The 1-sigma cross-track error in the shadow position is 5199 km.
The sky-plane scale is 29405.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=133.0 km assuming a 5% albedo -- 6.3 sec chord
Diameter=54.3 km assuming a 30% albedo -- 2.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 13UG17, (2019/09/16 08:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.2 +16:32:51  0.8 46.15  53
6Bet Ari       01:55:44.0 +20:54:13  2.6 14.73  22
PPM 144653     01:30:05.0 +07:23:43  6.4  0.40   7
PPM 144661     01:30:25.0 +07:08:34  9.5  0.39   7
PPM 144682     01:31:37.7 +07:09:54 11.0  0.21   7
13UG17         01:31:40.6 +07:22:31 12.0         7
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 1.9 sigma about the mid-time.
The median site spacing is 19.3 km RECON observability=1.0 and success probability=7.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 08:46:27 -36.5 Dark Up 45.8 157.5 Up 08:31:27 - 09:01:27 518
Oroville 08:46:28 -37.1 Dark Up 46.3 157.5 Up 08:31:28 - 09:01:28 475
Tonasket 08:46:28 -37.3 Dark Up 46.6 157.4 Up 08:31:28 - 09:01:28 460
Okanogan 08:46:30 -37.6 Dark Up 46.8 157.0 Up 08:31:30 - 09:01:30 442
Brewster 08:46:31 -37.9 Dark Up 47.0 156.7 Up 08:31:31 - 09:01:31 430
Manson/Chelan 08:46:33 -38.2 Dark Up 47.1 156.1 Up 08:31:33 - 09:01:33 428
Entiat 08:46:33 -38.4 Dark Up 47.3 155.9 Up 08:31:33 - 09:01:33 415
Wenatchee 08:46:35 -38.7 Dark Up 47.5 155.6 Up 08:31:35 - 09:01:35 401
Ellensburg 08:46:36 -39.1 Dark Up 47.8 155.1 Up 08:31:36 - 09:01:36 380
Yakima 08:46:37 -39.5 Dark Up 48.2 154.9 Up 08:31:37 - 09:01:37 353
Toppenish/White Swan 08:46:37 -39.7 Dark Up 48.4 155.1 Up 08:31:37 - 09:01:37 333
Goldendale 08:46:40 -40.3 Dark Up 48.8 154.2 Up 08:31:40 - 09:01:40 309
The Dalles 08:46:42 -40.6 Dark Up 48.9 153.6 Up 08:31:42 - 09:01:42 305
Pasco 08:46:34 -39.6 Dark Up 48.9 156.8 Up 08:31:34 - 09:01:34 282
Maupin 08:46:43 -41.0 Dark Up 49.3 153.5 Up 08:31:43 - 09:01:43 272
George/Umatilla 08:46:35 -39.9 Dark Up 49.2 156.3 Up 08:31:35 - 09:01:35 266
PNWRO 08:46:34 -39.7 Dark Up 49.2 157.0 Up 08:31:34 - 09:01:34 258
Madras/Culver 08:46:44 -41.5 Dark Up 49.8 153.2 Up 08:31:44 - 09:01:44 235
Sisters 08:46:47 -41.9 Dark Up 49.9 152.3 Up 08:31:47 - 09:01:47 227
Redmond 08:46:46 -41.9 Dark Up 50.1 152.9 Up 08:31:46 - 09:01:46 212
Bend 08:46:46 -42.1 Dark Up 50.2 152.6 Up 08:31:46 - 09:01:46 201
Oregon Observatory 08:46:47 -42.3 Dark Up 50.4 152.3 Up 08:31:47 - 09:01:47 193
La Pine/Gilchrist 08:46:48 -42.5 Dark Up 50.5 152.1 Up 08:31:48 - 09:01:48 181
North Lake 08:46:47 -42.8 Dark Up 51.1 152.7 Up 08:31:47 - 09:01:47 129
Chiloquin 08:46:52 -43.6 Dark Up 51.4 151.0 Up 08:31:52 - 09:01:52 113
Klamath Falls 08:46:53 -43.9 Dark Up 51.7 150.9 Up 08:31:53 - 09:01:53 85
Paisley 08:46:48 -43.2 Dark Up 51.7 153.0 Up 08:31:48 - 09:01:48 76
Tulelake 08:46:53 -44.1 Dark Up 52.1 151.2 Up 08:31:53 - 09:01:53 54
Lakeview 08:46:48 -43.7 Dark Up 52.2 153.0 Up 08:31:48 - 09:01:48 32
Fall River/Burney 08:46:55 -45.0 Dark Up 52.9 150.7 Up 08:31:55 - 09:01:55 -16
Cedarville 08:46:49 -44.3 Dark Up 52.9 152.9 Up 08:31:49 - 09:01:49 -24
Susanville 08:46:54 -45.4 Dark Up 53.7 151.4 Up 08:31:54 - 09:01:54 -91
Greenville 08:46:56 -45.8 Dark Up 53.8 150.8 Up 08:31:56 - 09:01:56 -101
Gimple 08:46:56 -45.7 Dark Up 53.9 150.9 Up 08:31:56 - 09:01:56 -104
Quincy 08:46:57 -46.0 Dark Up 54.0 150.7 Up 08:31:57 - 09:01:57 -116
Portola 08:46:55 -46.0 Dark Up 54.3 151.3 Up 08:31:55 - 09:01:55 -143
Reno 08:46:53 -46.1 Dark Up 54.8 152.2 Up 08:31:53 - 09:01:53 -188
Carson City 08:46:54 -46.4 Dark Up 55.1 152.0 Up 08:31:54 - 09:01:54 -216
Gardnerville 08:46:55 -46.6 Dark Up 55.3 151.9 Up 08:31:55 - 09:01:55 -237
Yerington 08:46:53 -46.4 Dark Up 55.5 152.9 Up 08:31:53 - 09:01:53 -255
Hawthorne 08:46:52 -46.7 Dark Up 56.1 153.5 Up 08:31:52 - 09:01:52 -311
Lee Vining 08:46:55 -47.4 Dark Up 56.4 152.3 Up 08:31:55 - 09:01:55 -338
Tonopah 08:46:48 -46.7 Dark Up 57.0 155.5 Up 08:31:48 - 09:01:48 -401
Bishop 08:46:54 -47.7 Dark Up 57.2 153.1 Up 08:31:54 - 09:01:54 -413
Lone Pine 08:46:55 -48.3 Dark Up 58.0 153.1 Up 08:31:55 - 09:01:55 -487
CPSLO 08:47:08 -50.3 Dark Up 58.1 147.7 Up 08:32:08 - 09:02:08 -493
Beatty 08:46:49 -47.6 Dark Up 58.2 155.6 Up 08:31:49 - 09:01:49 -512
Indian Springs 08:46:46 -47.6 Dark Up 58.8 157.3 Up 08:31:46 - 09:01:46 -580
Henderson 08:46:45 -47.8 Dark Up 59.5 158.2 Up 08:31:45 - 09:01:45 -651
Niwot 08:46:00 -40.3 Dark Up 57.1 177.6 Up 08:31:00 - 09:01:00 -671
Wildwood 08:47:03 -50.8 Dark Up 60.0 150.2 Up 08:32:03 - 09:02:03 -674
Searchlight/Boulder City 08:46:46 -48.3 Dark Up 60.1 158.0 Up 08:31:46 - 09:01:46 -702
Laughlin/Bullhead City 08:46:46 -48.4 Dark Up 60.5 158.4 Up 08:31:46 - 09:01:46 -740
Patrick 08:46:42 -47.9 Dark Up 60.5 159.9 Up 08:31:42 - 09:01:42 -747
Kingman/Dolan Springs 08:46:43 -48.2 Dark Up 60.6 159.4 Up 08:31:43 - 09:01:43 -758
Mohave Valley 08:46:46 -48.6 Dark Up 60.7 158.3 Up 08:31:46 - 09:01:46 -763
Idyllwild 08:46:57 -50.5 Dark Up 61.1 153.4 Up 08:31:57 - 09:01:57 -778
DCO 08:46:40 -47.9 Dark Up 60.9 161.1 Up 08:31:40 - 09:01:40 -800
Lake Havasu City 08:46:46 -48.9 Dark Up 61.2 158.5 Up 08:31:46 - 09:01:46 -807
Parker 08:46:47 -49.2 Dark Up 61.5 158.3 Up 08:31:47 - 09:01:47 -838
Blythe 08:46:49 -49.8 Dark Up 61.9 157.4 Up 08:31:49 - 09:01:49 -872
Calipatria 08:46:54 -50.6 Dark Up 62.1 155.2 Up 08:31:54 - 09:01:54 -877
Yuma 08:46:52 -50.6 Dark Up 62.8 156.6 Up 08:31:52 - 09:01:52 -950

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 13UG17, (2019/09/16 08:47UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 46.15  53
6Bet Ari       01:54:38.5 +20:48:27  2.6 14.73  22
PPM 144653     01:29:03.1 +07:17:38  6.4  0.40   7
PPM 144661     01:29:23.1 +07:02:29  9.5  0.39   7
PPM 144682     01:30:35.9 +07:03:50 11.0  0.21   7
13UG17         01:30:38.7 +07:16:27 12.0         7
Positions are for J2000

Event circumstances last updated at 2018/06/05 18:19:23 UT

Marc W. Buie, Southwest Research Institute

RECON