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 07:11:19 UTC

J2000 position of star is 02:06:46.5 +18:04:02
Equinox of date position of star is 02:07:49.5 +18:09:27
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 582 seconds.
The 1-sigma cross-track error in the shadow position is 3271 km.
The sky-plane scale is 26591.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.2
Diameter=222.9 km assuming a 5% albedo -- 14.2 sec chord
Diameter=91.0 km assuming a 30% albedo -- 5.8 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 +19:35:33  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 1.5 sigma about the mid-time.
The median site spacing is 16.4 km RECON observability=1.0 and success probability=10.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 07:13:36 -35.1 Dark Up 37.9 108.2 Up 06:58:36 - 07:28:36 3645
Kelowna 07:13:35 -35.1 Dark Up 38.1 108.6 Up 06:58:35 - 07:28:35 3637
Penticton 07:13:37 -35.5 Dark Up 38.1 108.2 Up 06:58:37 - 07:28:37 3619
Okanagan Falls 07:13:39 -35.7 Dark Up 38.2 108.0 Up 06:58:39 - 07:28:39 3607
Oliver 07:13:40 -35.8 Dark Up 38.2 107.9 Up 06:58:40 - 07:28:40 3596
Anarchist Mountain Observatory 07:13:40 -36.0 Dark Up 38.4 108.0 Up 06:58:40 - 07:28:40 3579
Oroville 07:13:40 -36.1 Dark Up 38.4 107.9 Up 06:58:40 - 07:28:40 3576
Tonasket 07:13:42 -36.3 Dark Up 38.5 107.7 Up 06:58:42 - 07:28:42 3561
Okanogan 07:13:44 -36.6 Dark Up 38.5 107.3 Up 06:58:44 - 07:28:44 3543
Brewster 07:13:46 -36.9 Dark Up 38.4 106.9 Up 06:58:46 - 07:28:46 3531
Manson/Chelan 07:13:48 -37.0 Dark Up 38.3 106.5 Up 06:58:48 - 07:28:48 3528
Entiat 07:13:49 -37.2 Dark Up 38.3 106.2 Up 06:58:49 - 07:28:49 3516
Wenatchee 07:13:51 -37.4 Dark Up 38.3 106.0 Up 06:58:51 - 07:28:51 3502
Ellensburg 07:13:53 -37.8 Dark Up 38.3 105.5 Up 06:58:53 - 07:28:53 3480
Yakima 07:13:56 -38.2 Dark Up 38.4 105.1 Up 06:58:56 - 07:28:56 3453
Toppenish/White Swan 07:13:57 -38.4 Dark Up 38.5 105.1 Up 06:58:57 - 07:28:57 3433
Goldendale 07:14:01 -38.9 Dark Up 38.4 104.3 Up 06:59:01 - 07:29:01 3409
The Dalles 07:14:03 -39.1 Dark Up 38.2 103.9 Up 06:59:03 - 07:29:03 3404
Pasco 07:13:54 -38.8 Dark Up 39.4 106.1 Up 06:58:54 - 07:28:54 3386
Maupin 07:14:05 -39.5 Dark Up 38.4 103.6 Up 06:59:05 - 07:29:05 3372
George/Umatilla 07:13:57 -39.1 Dark Up 39.4 105.7 Up 06:58:57 - 07:28:57 3370
PNWRO 07:13:55 -39.0 Dark Up 39.6 106.1 Up 06:58:55 - 07:28:55 3362
Madras/Culver 07:14:08 -40.0 Dark Up 38.5 103.2 Up 06:59:08 - 07:29:08 3335
Sisters 07:14:11 -40.2 Dark Up 38.3 102.6 Up 06:59:11 - 07:29:11 3326
Redmond 07:14:10 -40.3 Dark Up 38.5 102.9 Up 06:59:10 - 07:29:10 3312
Bend 07:14:12 -40.5 Dark Up 38.5 102.6 Up 06:59:12 - 07:29:12 3301
Oregon Observatory 07:14:13 -40.7 Dark Up 38.5 102.4 Up 06:59:13 - 07:29:13 3293
La Pine/Gilchrist 07:14:14 -40.8 Dark Up 38.5 102.2 Up 06:59:14 - 07:29:14 3280
North Lake 07:14:15 -41.4 Dark Up 39.0 102.3 Up 06:59:15 - 07:29:15 3229
Chiloquin 07:14:21 -41.8 Dark Up 38.4 101.0 Up 06:59:21 - 07:29:21 3211
Klamath Falls 07:14:22 -42.2 Dark Up 38.6 100.8 Up 06:59:22 - 07:29:22 3184
Paisley 07:14:16 -42.0 Dark Up 39.4 102.2 Up 06:59:16 - 07:29:16 3178
Tulelake 07:14:23 -42.5 Dark Up 38.8 100.9 Up 06:59:23 - 07:29:23 3154
Lakeview 07:14:19 -42.5 Dark Up 39.6 101.9 Up 06:59:19 - 07:29:19 3134
Fall River/Burney 07:14:27 -43.4 Dark Up 39.1 100.2 Up 06:59:27 - 07:29:27 3084
Cedarville 07:14:22 -43.2 Dark Up 39.9 101.5 Up 06:59:22 - 07:29:22 3080
Susanville 07:14:29 -44.2 Dark Up 39.8 100.3 Up 06:59:29 - 07:29:29 3012
Greenville 07:14:31 -44.4 Dark Up 39.6 99.8 Up 06:59:31 - 07:29:31 3001
Gimple 07:14:31 -44.4 Dark Up 39.7 99.9 Up 06:59:31 - 07:29:31 2998
Quincy 07:14:32 -44.6 Dark Up 39.6 99.7 Up 06:59:32 - 07:29:32 2985
Portola 07:14:31 -44.8 Dark Up 40.0 99.9 Up 06:59:31 - 07:29:31 2960
Reno 07:14:30 -45.2 Dark Up 40.5 100.2 Up 06:59:30 - 07:29:30 2917
Carson City 07:14:32 -45.5 Dark Up 40.6 99.9 Up 06:59:32 - 07:29:32 2888
Gardnerville 07:14:33 -45.8 Dark Up 40.7 99.8 Up 06:59:33 - 07:29:33 2868
Yerington 07:14:31 -45.8 Dark Up 41.1 100.2 Up 06:59:31 - 07:29:31 2851
Hawthorne 07:14:32 -46.4 Dark Up 41.6 100.2 Up 06:59:32 - 07:29:32 2797
Lee Vining 07:14:36 -46.9 Dark Up 41.4 99.4 Up 06:59:36 - 07:29:36 2769
Tonopah 07:14:30 -47.1 Dark Up 42.8 100.9 Up 06:59:30 - 07:29:30 2710
Bishop 07:14:37 -47.6 Dark Up 42.0 99.4 Up 06:59:37 - 07:29:37 2696
Lone Pine 07:14:39 -48.4 Dark Up 42.4 98.9 Up 06:59:39 - 07:29:39 2622
CPSLO 07:14:54 -49.1 Dark Up 40.6 96.1 Up 06:59:54 - 07:29:54 2610
Beatty 07:14:34 -48.3 Dark Up 43.4 100.1 Up 06:59:34 - 07:29:34 2601
Indian Springs 07:14:32 -48.8 Dark Up 44.3 100.6 Up 06:59:32 - 07:29:32 2536
Niwot 07:13:39 -45.5 Dark Up 51.0 113.3 Up 06:58:39 - 07:28:39 2467
Henderson 07:14:32 -49.4 Dark Up 44.9 100.6 Up 06:59:32 - 07:29:32 2466
Wildwood 07:14:53 -50.7 Dark Up 42.4 96.3 Up 06:59:53 - 07:29:53 2435
Searchlight/Boulder City 07:14:35 -50.0 Dark Up 45.1 100.1 Up 06:59:35 - 07:29:35 2416
Laughlin/Bullhead City 07:14:35 -50.3 Dark Up 45.4 100.1 Up 06:59:35 - 07:29:35 2379
Patrick 07:14:31 -50.1 Dark Up 46.0 100.8 Up 06:59:31 - 07:29:31 2374
Kingman/Dolan Springs 07:14:33 -50.3 Dark Up 45.8 100.5 Up 06:59:33 - 07:29:33 2362
Mohave Valley 07:14:36 -50.6 Dark Up 45.5 99.8 Up 06:59:36 - 07:29:36 2355
Idyllwild 07:14:49 -51.4 Dark Up 44.0 97.2 Up 06:59:49 - 07:29:49 2335
DCO 07:14:30 -50.5 Dark Up 46.6 101.0 Up 06:59:30 - 07:29:30 2322
Lake Havasu City 07:14:37 -51.0 Dark Up 45.8 99.6 Up 06:59:37 - 07:29:37 2312
Parker 07:14:38 -51.3 Dark Up 45.9 99.2 Up 06:59:38 - 07:29:38 2281
Blythe 07:14:41 -51.8 Dark Up 45.7 98.5 Up 06:59:41 - 07:29:41 2247
Calipatria 07:14:48 -52.2 Dark Up 45.0 97.4 Up 06:59:48 - 07:29:48 2239
Yuma 07:14:46 -52.7 Dark Up 45.8 97.6 Up 06:59:46 - 07:29:46 2169

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 2019/01/28 21:44:22 UT

Marc W. Buie, Southwest Research Institute

RECON