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 02:07:48.8 +18:09:23
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 538 seconds.
The 1-sigma cross-track error in the shadow position is 3059 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 1.7 sigma about the mid-time.
The median site spacing is 16.3 km RECON observability=1.0 and success probability=10.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 07:13:35 -35.1 Dark Up 37.9 108.2 Up 06:58:35 - 07:28:35 3635
Kelowna 07:13:35 -35.1 Dark Up 38.1 108.6 Up 06:58:35 - 07:28:35 3627
Penticton 07:13:37 -35.5 Dark Up 38.1 108.2 Up 06:58:37 - 07:28:37 3609
Okanagan Falls 07:13:38 -35.7 Dark Up 38.2 108.0 Up 06:58:38 - 07:28:38 3597
Oliver 07:13:39 -35.8 Dark Up 38.2 107.9 Up 06:58:39 - 07:28:39 3586
Anarchist Mountain Observatory 07:13:39 -36.0 Dark Up 38.4 108.0 Up 06:58:39 - 07:28:39 3569
Oroville 07:13:40 -36.1 Dark Up 38.4 107.9 Up 06:58:40 - 07:28:40 3567
Tonasket 07:13:41 -36.3 Dark Up 38.5 107.7 Up 06:58:41 - 07:28:41 3551
Okanogan 07:13:43 -36.6 Dark Up 38.5 107.3 Up 06:58:43 - 07:28:43 3533
Brewster 07:13:46 -36.9 Dark Up 38.4 106.9 Up 06:58:46 - 07:28:46 3521
Manson/Chelan 07:13:47 -37.0 Dark Up 38.3 106.5 Up 06:58:47 - 07:28:47 3518
Entiat 07:13:49 -37.2 Dark Up 38.3 106.2 Up 06:58:49 - 07:28:49 3506
Wenatchee 07:13:50 -37.4 Dark Up 38.3 106.0 Up 06:58:50 - 07:28:50 3492
Ellensburg 07:13:53 -37.8 Dark Up 38.3 105.5 Up 06:58:53 - 07:28:53 3471
Yakima 07:13:56 -38.2 Dark Up 38.4 105.1 Up 06:58:56 - 07:28:56 3444
Toppenish/White Swan 07:13:56 -38.4 Dark Up 38.5 105.1 Up 06:58:56 - 07:28:56 3424
Goldendale 07:14:00 -38.9 Dark Up 38.4 104.3 Up 06:59:00 - 07:29:00 3399
The Dalles 07:14:02 -39.1 Dark Up 38.2 103.9 Up 06:59:02 - 07:29:02 3395
Pasco 07:13:54 -38.8 Dark Up 39.4 106.1 Up 06:58:54 - 07:28:54 3377
Maupin 07:14:05 -39.5 Dark Up 38.4 103.6 Up 06:59:05 - 07:29:05 3362
George/Umatilla 07:13:56 -39.1 Dark Up 39.4 105.7 Up 06:58:56 - 07:28:56 3360
PNWRO 07:13:54 -39.0 Dark Up 39.6 106.1 Up 06:58:54 - 07:28:54 3352
Madras/Culver 07:14:08 -40.0 Dark Up 38.5 103.2 Up 06:59:08 - 07:29:08 3325
Sisters 07:14:10 -40.2 Dark Up 38.3 102.6 Up 06:59:10 - 07:29:10 3316
Redmond 07:14:09 -40.3 Dark Up 38.5 102.9 Up 06:59:09 - 07:29:09 3302
Bend 07:14:11 -40.5 Dark Up 38.5 102.6 Up 06:59:11 - 07:29:11 3291
Oregon Observatory 07:14:12 -40.7 Dark Up 38.4 102.4 Up 06:59:12 - 07:29:12 3283
La Pine/Gilchrist 07:14:13 -40.8 Dark Up 38.5 102.2 Up 06:59:13 - 07:29:13 3270
North Lake 07:14:14 -41.4 Dark Up 39.0 102.3 Up 06:59:14 - 07:29:14 3220
Chiloquin 07:14:20 -41.8 Dark Up 38.4 101.0 Up 06:59:20 - 07:29:20 3202
Klamath Falls 07:14:22 -42.2 Dark Up 38.6 100.8 Up 06:59:22 - 07:29:22 3174
Paisley 07:14:16 -42.0 Dark Up 39.4 102.2 Up 06:59:16 - 07:29:16 3168
Tulelake 07:14:23 -42.5 Dark Up 38.8 100.9 Up 06:59:23 - 07:29:23 3145
Lakeview 07:14:18 -42.5 Dark Up 39.6 101.9 Up 06:59:18 - 07:29:18 3125
Fall River/Burney 07:14:27 -43.4 Dark Up 39.1 100.2 Up 06:59:27 - 07:29:27 3075
Cedarville 07:14:21 -43.2 Dark Up 39.9 101.5 Up 06:59:21 - 07:29:21 3070
Susanville 07:14:28 -44.2 Dark Up 39.8 100.3 Up 06:59:28 - 07:29:28 3002
Greenville 07:14:30 -44.4 Dark Up 39.6 99.8 Up 06:59:30 - 07:29:30 2991
Gimple 07:14:30 -44.4 Dark Up 39.7 99.9 Up 06:59:30 - 07:29:30 2988
Quincy 07:14:31 -44.6 Dark Up 39.6 99.7 Up 06:59:31 - 07:29:31 2976
Portola 07:14:30 -44.8 Dark Up 40.0 99.9 Up 06:59:30 - 07:29:30 2950
Reno 07:14:30 -45.2 Dark Up 40.5 100.2 Up 06:59:30 - 07:29:30 2907
Carson City 07:14:32 -45.5 Dark Up 40.6 99.9 Up 06:59:32 - 07:29:32 2879
Gardnerville 07:14:34 -45.8 Dark Up 40.7 99.8 Up 06:59:34 - 07:29:34 2858
Yerington 07:14:31 -45.8 Dark Up 41.1 100.2 Up 06:59:31 - 07:29:31 2842
Hawthorne 07:14:32 -46.4 Dark Up 41.6 100.2 Up 06:59:32 - 07:29:32 2787
Lee Vining 07:14:36 -46.9 Dark Up 41.4 99.4 Up 06:59:36 - 07:29:36 2759
Tonopah 07:14:30 -47.1 Dark Up 42.8 100.9 Up 06:59:30 - 07:29:30 2701
Bishop 07:14:37 -47.6 Dark Up 42.0 99.4 Up 06:59:37 - 07:29:37 2686
Lone Pine 07:14:39 -48.4 Dark Up 42.4 98.9 Up 06:59:39 - 07:29:39 2613
CPSLO 07:14:53 -49.1 Dark Up 40.6 96.1 Up 06:59:53 - 07:29:53 2600
Beatty 07:14:34 -48.3 Dark Up 43.4 100.1 Up 06:59:34 - 07:29:34 2591
Indian Springs 07:14:31 -48.8 Dark Up 44.3 100.6 Up 06:59:31 - 07:29:31 2526
Niwot 07:13:38 -45.5 Dark Up 51.0 113.3 Up 06:58:38 - 07:28:38 2458
Henderson 07:14:32 -49.4 Dark Up 44.9 100.6 Up 06:59:32 - 07:29:32 2457
Wildwood 07:14:52 -50.7 Dark Up 42.4 96.3 Up 06:59:52 - 07:29:52 2425
Searchlight/Boulder City 07:14:34 -50.0 Dark Up 45.1 100.1 Up 06:59:34 - 07:29:34 2407
Laughlin/Bullhead City 07:14:34 -50.3 Dark Up 45.4 100.1 Up 06:59:34 - 07:29:34 2369
Patrick 07:14:30 -50.1 Dark Up 46.0 100.8 Up 06:59:30 - 07:29:30 2364
Kingman/Dolan Springs 07:14:32 -50.3 Dark Up 45.8 100.5 Up 06:59:32 - 07:29:32 2352
Mohave Valley 07:14:35 -50.6 Dark Up 45.5 99.8 Up 06:59:35 - 07:29:35 2346
Idyllwild 07:14:48 -51.4 Dark Up 44.0 97.2 Up 06:59:48 - 07:29:48 2326
DCO 07:14:30 -50.5 Dark Up 46.6 101.0 Up 06:59:30 - 07:29:30 2313
Lake Havasu City 07:14:36 -51.0 Dark Up 45.8 99.6 Up 06:59:36 - 07:29:36 2303
Parker 07:14:37 -51.3 Dark Up 45.9 99.2 Up 06:59:37 - 07:29:37 2272
Blythe 07:14:41 -51.8 Dark Up 45.7 98.5 Up 06:59:41 - 07:29:41 2238
Calipatria 07:14:46 -52.2 Dark Up 45.0 97.4 Up 06:59:46 - 07:29:46 2230
Yuma 07:14:45 -52.7 Dark Up 45.8 97.6 Up 06:59:45 - 07:29:45 2159

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 2018/11/04 22:34:33 UT

Marc W. Buie, Southwest Research Institute

RECON