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 02:07:48.6 +18:09:22
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 522 seconds.
The 1-sigma cross-track error in the shadow position is 2981 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 +16:32:51  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 1.7 sigma about the mid-time.
The median site spacing is 16.3 km RECON observability=1.0 and success probability=11.0%
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 37.9 108.3 Up 06:58:36 - 07:28:36 3633
Kelowna 07:13:35 -35.1 Dark Up 38.1 108.6 Up 06:58:35 - 07:28:35 3625
Penticton 07:13:38 -35.5 Dark Up 38.1 108.2 Up 06:58:38 - 07:28:38 3607
Okanagan Falls 07:13:39 -35.7 Dark Up 38.2 108.0 Up 06:58:39 - 07:28:39 3595
Oliver 07:13:40 -35.8 Dark Up 38.2 107.9 Up 06:58:40 - 07:28:40 3584
Anarchist Mountain Observatory 07:13:40 -36.0 Dark Up 38.4 108.0 Up 06:58:40 - 07:28:40 3567
Oroville 07:13:41 -36.1 Dark Up 38.4 107.9 Up 06:58:41 - 07:28:41 3564
Tonasket 07:13:41 -36.3 Dark Up 38.5 107.7 Up 06:58:41 - 07:28:41 3549
Okanogan 07:13:44 -36.6 Dark Up 38.5 107.3 Up 06:58:44 - 07:28:44 3531
Brewster 07:13:46 -36.9 Dark Up 38.4 106.9 Up 06:58:46 - 07:28:46 3519
Manson/Chelan 07:13:48 -37.0 Dark Up 38.3 106.5 Up 06:58:48 - 07:28:48 3516
Entiat 07:13:50 -37.2 Dark Up 38.3 106.2 Up 06:58:50 - 07:28:50 3504
Wenatchee 07:13:51 -37.4 Dark Up 38.3 106.0 Up 06:58:51 - 07:28:51 3490
Ellensburg 07:13:54 -37.8 Dark Up 38.3 105.5 Up 06:58:54 - 07:28:54 3468
Yakima 07:13:56 -38.2 Dark Up 38.4 105.1 Up 06:58:56 - 07:28:56 3441
Toppenish/White Swan 07:13:57 -38.4 Dark Up 38.5 105.1 Up 06:58:57 - 07:28:57 3422
Goldendale 07:14:01 -38.9 Dark Up 38.4 104.3 Up 06:59:01 - 07:29:01 3397
The Dalles 07:14:03 -39.1 Dark Up 38.2 103.9 Up 06:59:03 - 07:29:03 3393
Pasco 07:13:54 -38.8 Dark Up 39.4 106.1 Up 06:58:54 - 07:28:54 3374
Maupin 07:14:05 -39.5 Dark Up 38.4 103.6 Up 06:59:05 - 07:29:05 3360
George/Umatilla 07:13:57 -39.1 Dark Up 39.4 105.7 Up 06:58:57 - 07:28:57 3358
PNWRO 07:13:55 -39.0 Dark Up 39.6 106.1 Up 06:58:55 - 07:28:55 3350
Madras/Culver 07:14:08 -40.0 Dark Up 38.5 103.2 Up 06:59:08 - 07:29:08 3323
Sisters 07:14:11 -40.2 Dark Up 38.3 102.6 Up 06:59:11 - 07:29:11 3314
Redmond 07:14:10 -40.3 Dark Up 38.5 102.9 Up 06:59:10 - 07:29:10 3300
Bend 07:14:12 -40.5 Dark Up 38.5 102.6 Up 06:59:12 - 07:29:12 3289
Oregon Observatory 07:14:13 -40.7 Dark Up 38.5 102.4 Up 06:59:13 - 07:29:13 3281
La Pine/Gilchrist 07:14:14 -40.8 Dark Up 38.5 102.2 Up 06:59:14 - 07:29:14 3268
North Lake 07:14:15 -41.4 Dark Up 39.0 102.3 Up 06:59:15 - 07:29:15 3218
Chiloquin 07:14:21 -41.8 Dark Up 38.4 101.0 Up 06:59:21 - 07:29:21 3200
Klamath Falls 07:14:23 -42.2 Dark Up 38.6 100.8 Up 06:59:23 - 07:29:23 3172
Paisley 07:14:17 -42.0 Dark Up 39.4 102.2 Up 06:59:17 - 07:29:17 3166
Tulelake 07:14:23 -42.5 Dark Up 38.8 100.9 Up 06:59:23 - 07:29:23 3142
Lakeview 07:14:19 -42.5 Dark Up 39.6 101.9 Up 06:59:19 - 07:29:19 3122
Fall River/Burney 07:14:27 -43.4 Dark Up 39.1 100.2 Up 06:59:27 - 07:29:27 3072
Cedarville 07:14:22 -43.2 Dark Up 39.9 101.5 Up 06:59:22 - 07:29:22 3068
Susanville 07:14:29 -44.2 Dark Up 39.8 100.3 Up 06:59:29 - 07:29:29 3000
Greenville 07:14:31 -44.4 Dark Up 39.6 99.8 Up 06:59:31 - 07:29:31 2989
Gimple 07:14:31 -44.4 Dark Up 39.7 99.9 Up 06:59:31 - 07:29:31 2986
Quincy 07:14:32 -44.6 Dark Up 39.6 99.7 Up 06:59:32 - 07:29:32 2974
Portola 07:14:31 -44.8 Dark Up 40.0 99.9 Up 06:59:31 - 07:29:31 2948
Reno 07:14:31 -45.2 Dark Up 40.5 100.2 Up 06:59:31 - 07:29:31 2905
Carson City 07:14:33 -45.5 Dark Up 40.6 99.9 Up 06:59:33 - 07:29:33 2877
Gardnerville 07:14:34 -45.8 Dark Up 40.7 99.8 Up 06:59:34 - 07:29:34 2856
Yerington 07:14:31 -45.8 Dark Up 41.1 100.2 Up 06:59:31 - 07:29:31 2840
Hawthorne 07:14:32 -46.4 Dark Up 41.6 100.2 Up 06:59:32 - 07:29:32 2785
Lee Vining 07:14:37 -46.9 Dark Up 41.4 99.4 Up 06:59:37 - 07:29:37 2757
Tonopah 07:14:30 -47.1 Dark Up 42.8 100.9 Up 06:59:30 - 07:29:30 2698
Bishop 07:14:37 -47.6 Dark Up 42.0 99.4 Up 06:59:37 - 07:29:37 2684
Lone Pine 07:14:40 -48.4 Dark Up 42.4 98.9 Up 06:59:40 - 07:29:40 2611
CPSLO 07:14:54 -49.1 Dark Up 40.6 96.1 Up 06:59:54 - 07:29:54 2598
Beatty 07:14:34 -48.3 Dark Up 43.4 100.1 Up 06:59:34 - 07:29:34 2589
Indian Springs 07:14:32 -48.8 Dark Up 44.3 100.6 Up 06:59:32 - 07:29:32 2524
Niwot 07:13:39 -45.5 Dark Up 51.0 113.3 Up 06:58:39 - 07:28:39 2455
Henderson 07:14:32 -49.4 Dark Up 44.9 100.6 Up 06:59:32 - 07:29:32 2455
Wildwood 07:14:53 -50.7 Dark Up 42.4 96.4 Up 06:59:53 - 07:29:53 2423
Searchlight/Boulder City 07:14:35 -50.0 Dark Up 45.1 100.1 Up 06:59:35 - 07:29:35 2404
Laughlin/Bullhead City 07:14:35 -50.3 Dark Up 45.4 100.1 Up 06:59:35 - 07:29:35 2367
Patrick 07:14:31 -50.1 Dark Up 46.0 100.8 Up 06:59:31 - 07:29:31 2362
Kingman/Dolan Springs 07:14:33 -50.3 Dark Up 45.8 100.5 Up 06:59:33 - 07:29:33 2350
Mohave Valley 07:14:36 -50.6 Dark Up 45.5 99.8 Up 06:59:36 - 07:29:36 2344
Idyllwild 07:14:48 -51.4 Dark Up 44.0 97.2 Up 06:59:48 - 07:29:48 2323
DCO 07:14:30 -50.5 Dark Up 46.6 101.0 Up 06:59:30 - 07:29:30 2310
Lake Havasu City 07:14:37 -51.0 Dark Up 45.8 99.6 Up 06:59:37 - 07:29:37 2300
Parker 07:14:38 -51.3 Dark Up 45.9 99.2 Up 06:59:38 - 07:29:38 2269
Blythe 07:14:42 -51.8 Dark Up 45.7 98.5 Up 06:59:42 - 07:29:42 2235
Calipatria 07:14:47 -52.2 Dark Up 45.0 97.4 Up 06:59:47 - 07:29:47 2228
Yuma 07:14:46 -52.7 Dark Up 45.8 97.6 Up 06:59:46 - 07:29:46 2157

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 2018/10/15 22:17:58 UT

Marc W. Buie, Southwest Research Institute

RECON