RECON: TNO occultation with 01HA59

Event between 01HA59 and star GA0700:05908413 with event index number of 189447

Geocentric closest approach at 2019/05/26 05:16:21 UTC

J2000 position of star is 15:42:28.9 -18:37:31
Equinox of date position of star is 15:43:34.8 -18:41:06
Stellar brightness G=11.8, use SENSEUP=8
Star is 92 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 45.8 AU from the Sun and 44.8 AU from the Earth.
The TNO is moving 24.9 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 563 seconds.
The 1-sigma cross-track error in the shadow position is 3675 km.
The sky-plane scale is 32499.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=299.2 km assuming a 5% albedo -- 12.0 sec chord
Diameter=122.2 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01HA59, (2019/05/26 05:16UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.0 -26:28:24  0.9 13.34  80
8Bet1Sco       16:06:34.1 -19:51:25  2.6  5.55  86
43Kap Lib      15:43:04.1 -19:44:25  4.7  1.06  92
PPM 230627     15:43:45.0 -18:40:04  7.9  0.04  92
01HA59         15:43:35.8 -18:41:09 11.8        92
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 1.6 sigma about the mid-time.
The median site spacing is 9.9 km RECON observability=0.6 and success probability=0.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:18:36 -11.1 NT Down 15.9 148.7 Really Low 05:03:36 - 05:33:36 13397
Summerland 05:18:37 -11.0 NT Down 15.8 148.3 Really Low 05:03:37 - 05:33:37 13386
Penticton 05:18:37 -11.3 NT Down 16.2 148.5 Really Low 05:03:37 - 05:33:37 13374
Okanagan Falls 05:18:37 -11.5 NT Down 16.3 148.4 Really Low 05:03:37 - 05:33:37 13363
Oliver 05:18:37 -11.6 NT Down 16.5 148.4 Really Low 05:03:37 - 05:33:37 13354
Anarchist Mountain Observatory 05:18:37 -11.8 NT Down 16.7 148.5 Really Low 05:03:37 - 05:33:37 13350
Oroville 05:18:38 -11.8 NT Down 16.7 148.5 Really Low 05:03:38 - 05:33:38 13344
Tonasket 05:18:38 -12.0 AT Down 16.9 148.4 Really Low 05:03:38 - 05:33:38 13331
Okanogan 05:18:38 -12.2 AT Down 17.2 148.2 Really Low 05:03:38 - 05:33:38 13308
Brewster 05:18:39 -12.4 AT Down 17.3 148.0 Really Low 05:03:39 - 05:33:39 13288
Manson/Chelan 05:18:40 -12.4 AT Down 17.4 147.7 Really Low 05:03:40 - 05:33:40 13266
Entiat 05:18:41 -12.5 AT Down 17.5 147.6 Really Low 05:03:41 - 05:33:41 13252
Wenatchee 05:18:41 -12.7 AT Down 17.7 147.4 Really Low 05:03:41 - 05:33:41 13235
Ellensburg 05:18:42 -12.9 AT Down 18.0 147.1 Really Low 05:03:42 - 05:33:42 13205
Niwot 05:18:07 -24.6 Dark Down 29.0 160.7 Low 05:03:07 - 05:33:07 13199
Pasco 05:18:40 -14.1 AT Down 19.1 148.3 Really Low 05:03:40 - 05:33:40 13199
PNWRO 05:18:40 -14.4 AT Down 19.4 148.5 Really Low 05:03:40 - 05:33:40 13191
SwRI 05:18:07 -24.6 Dark Down 29.1 160.6 Low 05:03:07 - 05:33:07 13190
Yakima 05:18:43 -13.2 AT Down 18.3 147.1 Really Low 05:03:43 - 05:33:43 13180
George/Umatilla 05:18:41 -14.3 AT Down 19.3 148.1 Really Low 05:03:41 - 05:33:41 13174
Toppenish/White Swan 05:18:43 -13.5 AT Down 18.6 147.2 Really Low 05:03:43 - 05:33:43 13172
Goldendale 05:18:44 -13.7 AT Down 18.9 146.7 Really Low 05:03:44 - 05:33:44 13127
The Dalles 05:18:45 -13.8 AT Down 18.9 146.3 Really Low 05:03:45 - 05:33:45 13104
Maupin 05:18:46 -14.1 AT Down 19.3 146.3 Really Low 05:03:46 - 05:33:46 13081
Madras/Culver 05:18:47 -14.5 AT Down 19.7 146.2 Really Low 05:03:47 - 05:33:47 13046
Redmond 05:18:47 -14.8 AT Down 20.0 146.1 Low 05:03:47 - 05:33:47 13022
Sisters 05:18:48 -14.6 AT Down 19.8 145.7 Really Low 05:03:48 - 05:33:48 13012
Bend 05:18:47 -14.9 AT Down 20.1 145.9 Low 05:03:47 - 05:33:47 13005
Oregon Observatory 05:18:49 -15.0 AT Down 20.2 145.8 Low 05:03:49 - 05:33:49 12990
La Pine/Gilchrist 05:18:49 -15.1 AT Down 20.4 145.7 Low 05:03:49 - 05:33:49 12975
North Lake 05:18:48 -15.7 AT Down 21.0 146.1 Low 05:03:48 - 05:33:48 12965
Paisley 05:18:48 -16.3 AT Down 21.6 146.3 Low 05:03:48 - 05:33:48 12940
Lakeview 05:18:48 -16.8 AT Down 22.1 146.4 Low 05:03:48 - 05:33:48 12912
Chiloquin 05:18:50 -15.8 AT Down 21.1 145.1 Low 05:03:50 - 05:33:50 12893
Cedarville 05:18:46 -17.4 AT Down 22.7 146.4 Low 05:03:46 - 05:33:46 12874
Klamath Falls 05:18:51 -16.1 AT Down 21.5 145.1 Low 05:03:51 - 05:33:51 12873
Tulelake 05:18:51 -16.5 AT Down 21.8 145.3 Low 05:03:51 - 05:33:51 12864
Fall River/Burney 05:18:51 -17.2 AT Down 22.6 145.2 Low 05:03:51 - 05:33:51 12806
Susanville 05:18:50 -18.0 Dark Down 23.4 145.7 Low 05:03:50 - 05:33:50 12785
Gimple 05:18:51 -18.2 Dark Down 23.6 145.4 Low 05:03:51 - 05:33:51 12760
Greenville 05:18:51 -18.1 Dark Down 23.5 145.4 Low 05:03:51 - 05:33:51 12757
Reno 05:18:49 -19.1 Dark Down 24.5 146.3 Low 05:03:49 - 05:33:49 12751
Portola 05:18:50 -18.6 Dark Down 24.0 145.7 Low 05:03:50 - 05:33:50 12749
Quincy 05:18:51 -18.3 Dark Down 23.7 145.3 Low 05:03:51 - 05:33:51 12744
Yerington 05:18:47 -19.9 Dark Down 25.2 146.7 Low 05:03:47 - 05:33:47 12732
Carson City 05:18:49 -19.4 Dark Down 24.8 146.2 Low 05:03:49 - 05:33:49 12727
Tonopah 05:18:42 -21.5 Dark Down 26.8 148.3 Low 05:03:42 - 05:33:42 12726
Hawthorne 05:18:46 -20.5 Dark Down 25.9 147.1 Low 05:03:46 - 05:33:46 12716
Gardnerville 05:18:49 -19.6 Dark Down 25.0 146.2 Low 05:03:49 - 05:33:49 12711
Indian Springs 05:18:40 -23.4 Dark Down 28.7 149.4 Low 05:03:40 - 05:33:40 12668
Lee Vining 05:18:47 -20.7 Dark Down 26.1 146.5 Low 05:03:47 - 05:33:47 12662
Beatty 05:18:43 -22.7 Dark Down 28.0 148.4 Low 05:03:43 - 05:33:43 12659
Henderson 05:18:38 -24.2 Dark Down 29.5 149.9 Low 05:03:38 - 05:33:38 12651
Bishop 05:18:47 -21.5 Dark Down 26.9 147.0 Low 05:03:47 - 05:33:47 12642
Patrick 05:18:35 -25.2 Dark Down 30.5 150.8 Up 05:03:35 - 05:33:35 12640
DCO 05:18:33 -25.8 Dark Down 31.0 151.4 Up 05:03:33 - 05:33:33 12640
Kingman/Dolan Springs 05:18:35 -25.3 Dark Down 30.6 150.5 Up 05:03:35 - 05:33:35 12618
Searchlight/Boulder City 05:18:38 -24.7 Dark Down 30.0 149.8 Up 05:03:38 - 05:33:38 12612
Laughlin/Bullhead City 05:18:37 -25.1 Dark Down 30.4 150.0 Up 05:03:37 - 05:33:37 12601
Lone Pine 05:18:47 -22.3 Dark Down 27.7 147.1 Low 05:03:47 - 05:33:47 12597
Mohave Valley 05:18:37 -25.3 Dark Down 30.6 150.0 Up 05:03:37 - 05:33:37 12581
Lake Havasu City 05:18:37 -25.8 Dark Down 31.1 150.1 Up 05:03:37 - 05:33:37 12560
Parker 05:18:37 -26.1 Dark Down 31.4 150.0 Up 05:03:37 - 05:33:37 12535
Blythe 05:18:38 -26.3 Dark Down 31.7 149.6 Up 05:03:38 - 05:33:38 12487
Idyllwild 05:18:45 -25.2 Dark Down 30.7 147.5 Up 05:03:45 - 05:33:45 12429
Calipatria 05:18:41 -26.3 Dark Down 31.8 148.5 Up 05:03:41 - 05:33:41 12421
CPSLO 05:18:54 -22.0 Dark Down 27.6 144.3 Low 05:03:54 - 05:33:54 12420
Yuma 05:18:39 -27.1 Dark Down 32.5 149.2 Up 05:03:39 - 05:33:39 12416
Wildwood 05:18:50 -24.0 Dark Down 29.6 145.8 Low 05:03:50 - 05:33:50 12396

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 01HA59, (2019/05/26 05:16UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.34  80
8Bet1Sco       16:05:26.2 -19:48:20  2.6  5.55  86
43Kap Lib      15:41:56.8 -19:40:46  4.7  1.06  92
PPM 230627     15:42:38.1 -18:36:26  7.9  0.04  92
01HA59         15:42:28.9 -18:37:31 11.8        92
Positions are for J2000

Event circumstances last updated at 2019/02/12 08:10:06 UT

Marc W. Buie, Southwest Research Institute

RECON