RECON: TNO occultation with 01PK47

Event between 01PK47 and star GA1080:00221847 with event index number of 288928

Geocentric closest approach at 2019/09/12 07:11:06 UTC

J2000 position of star is 02:06:46.5 +18:04:02
Equinox of date position of star is 02:07:50.3 +18:09:31
Stellar brightness G=16.8, use SENSEUP=128
Star is 68 degrees from the moon. Moon is 97% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 37.4 AU from the Sun and 36.7 AU from the Earth.
The TNO is moving 15.7 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 405 seconds.
The 1-sigma cross-track error in the shadow position is 2945 km.
The sky-plane scale is 26591.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=216.8 km assuming a 5% albedo -- 13.8 sec chord
Diameter=88.5 km assuming a 30% albedo -- 5.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01PK47, (2019/09/12 07:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.2 +16:32:50  0.8 35.58 101
6Bet Ari       01:55:43.9 +20:54:13  2.6  3.96  66
15 Ari         02:11:43.3 +19:35:32  5.7  1.70  69
PPM 117969     02:08:51.1 +18:07:20  6.7  0.24  68
PPM 117961     02:08:11.5 +18:01:53 11.1  0.15  68
01PK47         02:07:51.6 +18:09:38 16.8        68
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 2.2 sigma about the mid-time.
The median site spacing is 15.4 km RECON observability=1.0 and success probability=5.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:13:23 -35.1 Dark Up 38.1 108.6 Up 06:58:23 - 07:28:23 6667
Summerland 07:13:27 -35.4 Dark Up 38.0 108.1 Up 06:58:27 - 07:28:27 6656
Penticton 07:13:27 -35.5 Dark Up 38.1 108.2 Up 06:58:27 - 07:28:27 6649
Okanagan Falls 07:13:27 -35.7 Dark Up 38.1 108.0 Up 06:58:27 - 07:28:27 6637
Oliver 07:13:28 -35.8 Dark Up 38.2 107.9 Up 06:58:28 - 07:28:28 6626
Anarchist Mountain Observatory 07:13:29 -36.0 Dark Up 38.4 107.9 Up 06:58:29 - 07:28:29 6609
Oroville 07:13:29 -36.1 Dark Up 38.4 107.8 Up 06:58:29 - 07:28:29 6606
Tonasket 07:13:31 -36.3 Dark Up 38.4 107.7 Up 06:58:31 - 07:28:31 6591
Okanogan 07:13:33 -36.6 Dark Up 38.4 107.3 Up 06:58:33 - 07:28:33 6573
Brewster 07:13:35 -36.8 Dark Up 38.4 106.9 Up 06:58:35 - 07:28:35 6561
Manson/Chelan 07:13:37 -37.0 Dark Up 38.2 106.4 Up 06:58:37 - 07:28:37 6558
Entiat 07:13:39 -37.2 Dark Up 38.2 106.2 Up 06:58:39 - 07:28:39 6546
Wenatchee 07:13:41 -37.4 Dark Up 38.3 105.9 Up 06:58:41 - 07:28:41 6532
Ellensburg 07:13:43 -37.8 Dark Up 38.2 105.4 Up 06:58:43 - 07:28:43 6510
Yakima 07:13:45 -38.2 Dark Up 38.3 105.1 Up 06:58:45 - 07:28:45 6483
Toppenish/White Swan 07:13:46 -38.4 Dark Up 38.5 105.1 Up 06:58:46 - 07:28:46 6464
Goldendale 07:13:50 -38.9 Dark Up 38.4 104.3 Up 06:58:50 - 07:28:50 6439
The Dalles 07:13:52 -39.0 Dark Up 38.2 103.8 Up 06:58:52 - 07:28:52 6435
Pasco 07:13:43 -38.7 Dark Up 39.4 106.1 Up 06:58:43 - 07:28:43 6416
Maupin 07:13:54 -39.5 Dark Up 38.4 103.6 Up 06:58:54 - 07:28:54 6402
George/Umatilla 07:13:46 -39.0 Dark Up 39.3 105.6 Up 06:58:46 - 07:28:46 6400
PNWRO 07:13:44 -39.0 Dark Up 39.6 106.1 Up 06:58:44 - 07:28:44 6392
Madras/Culver 07:13:57 -40.0 Dark Up 38.5 103.2 Up 06:58:57 - 07:28:57 6365
Sisters 07:14:00 -40.2 Dark Up 38.2 102.5 Up 06:59:00 - 07:29:00 6356
Redmond 07:13:59 -40.3 Dark Up 38.5 102.8 Up 06:58:59 - 07:28:59 6342
Bend 07:14:01 -40.5 Dark Up 38.5 102.6 Up 06:59:01 - 07:29:01 6331
Oregon Observatory 07:14:02 -40.7 Dark Up 38.4 102.3 Up 06:59:02 - 07:29:02 6323
La Pine/Gilchrist 07:14:03 -40.8 Dark Up 38.4 102.1 Up 06:59:03 - 07:29:03 6310
North Lake 07:14:04 -41.4 Dark Up 38.9 102.3 Up 06:59:04 - 07:29:04 6260
Chiloquin 07:14:10 -41.8 Dark Up 38.4 101.0 Up 06:59:10 - 07:29:10 6242
Klamath Falls 07:14:12 -42.2 Dark Up 38.5 100.8 Up 06:59:12 - 07:29:12 6214
Paisley 07:14:06 -42.0 Dark Up 39.3 102.1 Up 06:59:06 - 07:29:06 6208
Tulelake 07:14:12 -42.5 Dark Up 38.8 100.8 Up 06:59:12 - 07:29:12 6184
Lakeview 07:14:08 -42.5 Dark Up 39.6 101.9 Up 06:59:08 - 07:29:08 6164
Fall River/Burney 07:14:17 -43.4 Dark Up 39.1 100.2 Up 06:59:17 - 07:29:17 6114
Cedarville 07:14:11 -43.2 Dark Up 39.8 101.5 Up 06:59:11 - 07:29:11 6110
Susanville 07:14:18 -44.2 Dark Up 39.7 100.2 Up 06:59:18 - 07:29:18 6042
Greenville 07:14:20 -44.4 Dark Up 39.6 99.8 Up 06:59:20 - 07:29:20 6031
Gimple 07:14:20 -44.4 Dark Up 39.6 99.9 Up 06:59:20 - 07:29:20 6028
Quincy 07:14:21 -44.6 Dark Up 39.6 99.6 Up 06:59:21 - 07:29:21 6016
Portola 07:14:21 -44.8 Dark Up 40.0 99.9 Up 06:59:21 - 07:29:21 5990
Reno 07:14:20 -45.2 Dark Up 40.5 100.2 Up 06:59:20 - 07:29:20 5947
Carson City 07:14:22 -45.5 Dark Up 40.6 99.9 Up 06:59:22 - 07:29:22 5919
Gardnerville 07:14:23 -45.8 Dark Up 40.7 99.7 Up 06:59:23 - 07:29:23 5898
Yerington 07:14:21 -45.8 Dark Up 41.1 100.2 Up 06:59:21 - 07:29:21 5882
Hawthorne 07:14:22 -46.4 Dark Up 41.6 100.2 Up 06:59:22 - 07:29:22 5827
Lee Vining 07:14:26 -46.8 Dark Up 41.3 99.3 Up 06:59:26 - 07:29:26 5799
Tonopah 07:14:19 -47.1 Dark Up 42.8 100.8 Up 06:59:19 - 07:29:19 5741
Bishop 07:14:26 -47.6 Dark Up 42.0 99.4 Up 06:59:26 - 07:29:26 5726
Lone Pine 07:14:29 -48.4 Dark Up 42.4 98.9 Up 06:59:29 - 07:29:29 5653
CPSLO 07:14:44 -49.1 Dark Up 40.5 96.1 Up 06:59:44 - 07:29:44 5640
Beatty 07:14:25 -48.3 Dark Up 43.4 100.1 Up 06:59:25 - 07:29:25 5631
Indian Springs 07:14:22 -48.8 Dark Up 44.3 100.6 Up 06:59:22 - 07:29:22 5566
Niwot 07:13:28 -45.5 Dark Up 51.0 113.3 Up 06:58:28 - 07:28:28 5498
Henderson 07:14:21 -49.4 Dark Up 44.9 100.6 Up 06:59:21 - 07:29:21 5497
SwRI 07:13:29 -45.6 Dark Up 50.9 113.1 Up 06:58:29 - 07:28:29 5492
Wildwood 07:14:43 -50.7 Dark Up 42.3 96.3 Up 06:59:43 - 07:29:43 5465
Searchlight/Boulder City 07:14:24 -50.0 Dark Up 45.1 100.1 Up 06:59:24 - 07:29:24 5447
Laughlin/Bullhead City 07:14:24 -50.3 Dark Up 45.4 100.0 Up 06:59:24 - 07:29:24 5409
Patrick 07:14:21 -50.1 Dark Up 45.9 100.8 Up 06:59:21 - 07:29:21 5404
Kingman/Dolan Springs 07:14:22 -50.3 Dark Up 45.8 100.4 Up 06:59:22 - 07:29:22 5392
Mohave Valley 07:14:25 -50.6 Dark Up 45.5 99.8 Up 06:59:25 - 07:29:25 5386
Idyllwild 07:14:38 -51.4 Dark Up 43.9 97.2 Up 06:59:38 - 07:29:38 5366
DCO 07:14:20 -50.5 Dark Up 46.5 101.0 Up 06:59:20 - 07:29:20 5353
Lake Havasu City 07:14:26 -51.0 Dark Up 45.7 99.5 Up 06:59:26 - 07:29:26 5343
Parker 07:14:28 -51.3 Dark Up 45.8 99.2 Up 06:59:28 - 07:29:28 5312
Blythe 07:14:31 -51.8 Dark Up 45.7 98.5 Up 06:59:31 - 07:29:31 5278
Calipatria 07:14:36 -52.2 Dark Up 45.0 97.4 Up 06:59:36 - 07:29:36 5270
Yuma 07:14:35 -52.7 Dark Up 45.8 97.5 Up 06:59:35 - 07:29:35 5199

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 01PK47, (2019/09/12 07:11UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 35.58 101
6Bet Ari       01:54:38.5 +20:48:27  2.6  3.96  66
15 Ari         02:10:37.7 +19:30:01  5.7  1.70  69
PPM 117969     02:07:46.0 +18:01:46  6.7  0.24  68
PPM 117961     02:07:06.5 +17:56:18 11.1  0.15  68
01PK47         02:06:46.5 +18:04:02 16.8        67
Positions are for J2000

Event circumstances last updated at 2019/04/25 23:17:03 UT

Marc W. Buie, Southwest Research Institute

RECON