RECON: TNO occultation with 13AQ183

Event between 13AQ183 and star GA1000:03368793 with event index number of 313703

Geocentric closest approach at 2019/01/01 11:41:06 UTC

J2000 position of star is 09:40:17.5 +11:52:57
Equinox of date position of star is 09:41:18.7 +11:47:45
Stellar brightness G=14.9, use SENSEUP=128
Star is 86 degrees from the moon. Moon is 19% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 39.0 AU from the Sun and 38.2 AU from the Earth.
The TNO is moving 17.1 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 659 seconds.
The 1-sigma cross-track error in the shadow position is 3928 km.
The sky-plane scale is 27725.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=289.7 km assuming a 5% albedo -- 17.0 sec chord
Diameter=118.3 km assuming a 30% albedo -- 6.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 13AQ183, (2019/01/01 11:41UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:22.9 +11:52:25  1.3  6.87  79
14Omi Leo      09:42:09.8 +09:48:18  3.5  2.00  85
PPM 126648     09:39:17.8 +12:38:59  7.5  0.99  86
PPM 126675     09:40:36.3 +12:04:45  8.7  0.33  86
13AQ183        09:41:19.0 +11:47:44 14.9        85
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 1.4 sigma about the mid-time.
The median site spacing is 19.1 km RECON observability=1.0 and success probability=2.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 11:41:26 -39.6 Dark Up 50.8 198.4 Up 11:26:26 - 11:56:26 9747
Summerland 11:41:24 -39.9 Dark Up 50.9 197.8 Up 11:26:24 - 11:56:24 9735
Penticton 11:41:26 -39.8 Dark Up 51.2 198.2 Up 11:26:26 - 11:56:26 9714
Okanagan Falls 11:41:25 -39.9 Dark Up 51.3 198.3 Up 11:26:25 - 11:56:25 9698
Oliver 11:41:25 -39.9 Dark Up 51.5 198.4 Up 11:26:25 - 11:56:25 9686
Anarchist Mountain Observatory 11:41:21 -39.8 Dark Up 51.6 198.7 Up 11:26:21 - 11:56:21 9677
Oroville 11:41:23 -39.9 Dark Up 51.7 198.6 Up 11:26:23 - 11:56:23 9669
Tonasket 11:41:21 -39.9 Dark Up 51.9 198.7 Up 11:26:21 - 11:56:21 9651
Okanogan 11:41:23 -40.1 Dark Up 52.3 198.6 Up 11:26:23 - 11:56:23 9620
Brewster 11:41:22 -40.2 Dark Up 52.6 198.4 Up 11:26:22 - 11:56:22 9593
Manson/Chelan 11:41:24 -40.5 Dark Up 52.8 197.9 Up 11:26:24 - 11:56:24 9568
Entiat 11:41:23 -40.6 Dark Up 53.1 197.9 Up 11:26:23 - 11:56:23 9548
Wenatchee 11:41:22 -40.7 Dark Up 53.3 197.9 Up 11:26:22 - 11:56:22 9525
Ellensburg 11:41:23 -40.9 Dark Up 53.8 197.7 Up 11:26:23 - 11:56:23 9485
Pasco 11:41:15 -40.1 Dark Up 54.2 200.3 Up 11:26:15 - 11:56:15 9459
Yakima 11:41:22 -41.0 Dark Up 54.2 197.8 Up 11:26:22 - 11:56:22 9451
PNWRO 11:41:13 -40.0 Dark Up 54.3 200.7 Up 11:26:13 - 11:56:13 9445
Toppenish/White Swan 11:41:21 -40.9 Dark Up 54.3 198.2 Up 11:26:21 - 11:56:21 9438
George/Umatilla 11:41:16 -40.3 Dark Up 54.5 200.1 Up 11:26:16 - 11:56:16 9426
Goldendale 11:41:21 -41.3 Dark Up 55.0 197.7 Up 11:26:21 - 11:56:21 9381
The Dalles 11:41:23 -41.6 Dark Up 55.2 197.2 Up 11:26:23 - 11:56:23 9353
Niwot 11:39:59 -30.3 Dark Up 53.9 225.8 Up 11:24:59 - 11:54:59 9332
Maupin 11:41:21 -41.6 Dark Up 55.6 197.6 Up 11:26:21 - 11:56:21 9320
Madras/Culver 11:41:20 -41.7 Dark Up 56.2 197.7 Up 11:26:20 - 11:56:20 9273
Redmond 11:41:20 -41.8 Dark Up 56.5 197.8 Up 11:26:20 - 11:56:20 9241
Sisters 11:41:21 -42.1 Dark Up 56.6 197.1 Up 11:26:21 - 11:56:21 9232
Bend 11:41:21 -41.9 Dark Up 56.7 197.7 Up 11:26:21 - 11:56:21 9219
Oregon Observatory 11:41:20 -42.1 Dark Up 56.9 197.5 Up 11:26:20 - 11:56:20 9200
La Pine/Gilchrist 11:41:21 -42.1 Dark Up 57.1 197.5 Up 11:26:21 - 11:56:21 9181
North Lake 11:41:15 -41.8 Dark Up 57.4 198.7 Up 11:26:15 - 11:56:15 9159
Paisley 11:41:13 -41.6 Dark Up 57.9 199.6 Up 11:26:13 - 11:56:13 9121
Lakeview 11:41:10 -41.5 Dark Up 58.3 200.2 Up 11:26:10 - 11:56:10 9082
Chiloquin 11:41:17 -42.5 Dark Up 58.3 197.4 Up 11:26:17 - 11:56:17 9075
Klamath Falls 11:41:18 -42.5 Dark Up 58.6 197.7 Up 11:26:18 - 11:56:18 9047
Tulelake 11:41:15 -42.3 Dark Up 58.8 198.4 Up 11:26:15 - 11:56:15 9031
Cedarville 11:41:09 -41.4 Dark Up 58.9 200.9 Up 11:26:09 - 11:56:09 9029
Fall River/Burney 11:41:12 -42.4 Dark Up 59.6 199.0 Up 11:26:12 - 11:56:12 8953
Susanville 11:41:08 -41.9 Dark Up 60.0 200.7 Up 11:26:08 - 11:56:08 8917
Gimple 11:41:07 -42.1 Dark Up 60.4 200.5 Up 11:26:07 - 11:56:07 8886
Greenville 11:41:09 -42.1 Dark Up 60.4 200.3 Up 11:26:09 - 11:56:09 8884
Portola 11:41:05 -41.8 Dark Up 60.5 201.4 Up 11:26:05 - 11:56:05 8868
Quincy 11:41:08 -42.1 Dark Up 60.6 200.4 Up 11:26:08 - 11:56:08 8866
Reno 11:41:02 -41.3 Dark Up 60.6 202.8 Up 11:26:02 - 11:56:02 8862
Yerington 11:40:57 -40.8 Dark Up 60.9 204.4 Up 11:25:57 - 11:55:57 8830
Carson City 11:40:59 -41.3 Dark Up 60.9 203.1 Up 11:25:59 - 11:55:59 8830
Gardnerville 11:41:00 -41.3 Dark Up 61.1 203.3 Up 11:26:00 - 11:56:00 8809
Hawthorne 11:40:54 -40.4 Dark Up 61.2 205.8 Up 11:25:54 - 11:55:54 8803
Tonopah 11:40:47 -39.4 Dark Up 61.1 208.8 Up 11:25:47 - 11:55:47 8801
Lee Vining 11:40:54 -40.8 Dark Up 61.8 205.3 Up 11:25:54 - 11:55:54 8738
Indian Springs 11:40:35 -38.2 Dark Up 61.8 212.9 Up 11:25:35 - 11:55:35 8712
Beatty 11:40:40 -39.0 Dark Up 61.9 210.6 Up 11:25:40 - 11:55:40 8710
Bishop 11:40:49 -40.3 Dark Up 62.1 207.1 Up 11:25:49 - 11:55:49 8704
Henderson 11:40:30 -37.6 Dark Up 61.9 214.7 Up 11:25:30 - 11:55:30 8684
Patrick 11:40:24 -36.7 Dark Up 61.9 217.4 Up 11:25:24 - 11:55:24 8660
DCO 11:40:20 -36.1 Dark Up 61.8 219.0 Up 11:25:20 - 11:55:20 8654
Lone Pine 11:40:46 -40.0 Dark Up 62.7 208.4 Up 11:25:46 - 11:55:46 8644
Kingman/Dolan Springs 11:40:24 -36.8 Dark Up 62.2 217.3 Up 11:25:24 - 11:55:24 8634
Searchlight/Boulder City 11:40:29 -37.5 Dark Up 62.3 215.4 Up 11:25:29 - 11:55:29 8633
Laughlin/Bullhead City 11:40:27 -37.2 Dark Up 62.4 216.4 Up 11:25:27 - 11:55:27 8616
Mohave Valley 11:40:25 -37.2 Dark Up 62.6 216.7 Up 11:25:25 - 11:55:25 8591
Lake Havasu City 11:40:23 -37.0 Dark Up 62.8 217.6 Up 11:25:23 - 11:55:23 8562
Parker 11:40:22 -36.9 Dark Up 63.1 218.1 Up 11:25:22 - 11:55:22 8531
Blythe 11:40:22 -37.1 Dark Up 63.7 218.2 Up 11:25:22 - 11:55:22 8473
CPSLO 11:40:57 -42.1 Dark Up 64.8 204.3 Up 11:25:57 - 11:55:57 8448
Idyllwild 11:40:32 -38.9 Dark Up 64.6 214.0 Up 11:25:32 - 11:55:32 8418
Calipatria 11:40:26 -37.9 Dark Up 64.5 217.0 Up 11:25:26 - 11:55:26 8398
Wildwood 11:40:43 -40.4 Dark Up 65.1 209.8 Up 11:25:43 - 11:55:43 8395
Yuma 11:40:20 -37.1 Dark Up 64.4 219.3 Up 11:25:20 - 11:55:20 8385

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 13AQ183, (2019/01/01 11:41UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3  6.87  79
14Omi Leo      09:41:08.9 +09:53:32  3.5  2.00  85
PPM 126648     09:38:16.0 +12:44:10  7.5  0.99  86
PPM 126675     09:39:34.8 +12:09:57  8.7  0.33  86
13AQ183        09:40:17.5 +11:52:57 14.9        85
Positions are for J2000

Event circumstances last updated at 2018/12/04 05:04:56 UT

Marc W. Buie, Southwest Research Institute

RECON