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 05:29:33 UTC

J2000 position of star is 15:42:28.9 -18:37:31
Equinox of date position of star is 15:43:32.5 -18:40:59
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 470 seconds.
The 1-sigma cross-track error in the shadow position is 5743 km.
The sky-plane scale is 32500.1 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 05:30UT)
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  87
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 1.9 sigma about the mid-time.
The median site spacing is 10.2 km RECON observability=0.8 and success probability=0.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Penticton 05:32:13 -12.6 AT Down 17.3 151.6 Really Low 05:17:13 - 05:47:13 14238
Oroville 05:32:14 -13.1 AT Down 17.8 151.6 Really Low 05:17:14 - 05:47:14 14209
Tonasket 05:32:14 -13.3 AT Down 18.0 151.6 Really Low 05:17:14 - 05:47:14 14196
Okanogan 05:32:15 -13.5 AT Down 18.3 151.4 Really Low 05:17:15 - 05:47:15 14175
Brewster 05:32:16 -13.7 AT Down 18.5 151.2 Really Low 05:17:16 - 05:47:16 14155
Manson/Chelan 05:32:16 -13.7 AT Down 18.5 150.8 Really Low 05:17:16 - 05:47:16 14134
Entiat 05:32:17 -13.9 AT Down 18.7 150.7 Really Low 05:17:17 - 05:47:17 14120
Wenatchee 05:32:18 -14.1 AT Down 18.9 150.6 Really Low 05:17:18 - 05:47:18 14103
Ellensburg 05:32:19 -14.3 AT Down 19.2 150.3 Really Low 05:17:19 - 05:47:19 14074
Pasco 05:32:16 -15.5 AT Down 20.3 151.5 Low 05:17:16 - 05:47:16 14069
Niwot 05:31:41 -25.6 Dark Down 29.8 164.3 Low 05:16:41 - 05:46:41 14064
PNWRO 05:32:16 -15.8 AT Down 20.6 151.7 Low 05:17:16 - 05:47:16 14060
Yakima 05:32:19 -14.6 AT Down 19.5 150.2 Really Low 05:17:19 - 05:47:19 14050
George/Umatilla 05:32:17 -15.7 AT Down 20.5 151.2 Low 05:17:17 - 05:47:17 14044
Toppenish/White Swan 05:32:20 -14.9 AT Down 19.8 150.3 Really Low 05:17:20 - 05:47:20 14042
Goldendale 05:32:20 -15.2 AT Down 20.1 149.8 Low 05:17:20 - 05:47:20 13999
The Dalles 05:32:20 -15.2 AT Down 20.2 149.5 Low 05:17:20 - 05:47:20 13976
Maupin 05:32:22 -15.6 AT Down 20.6 149.5 Low 05:17:22 - 05:47:22 13953
Madras/Culver 05:32:23 -16.0 AT Down 21.0 149.3 Low 05:17:23 - 05:47:23 13919
Redmond 05:32:23 -16.3 AT Down 21.3 149.2 Low 05:17:23 - 05:47:23 13896
Sisters 05:32:24 -16.1 AT Down 21.2 148.9 Low 05:17:24 - 05:47:24 13886
Bend 05:32:23 -16.4 AT Down 21.4 149.1 Low 05:17:23 - 05:47:23 13879
Oregon Observatory 05:32:24 -16.5 AT Down 21.6 148.9 Low 05:17:24 - 05:47:24 13865
La Pine/Gilchrist 05:32:25 -16.6 AT Down 21.7 148.8 Low 05:17:25 - 05:47:25 13850
North Lake 05:32:23 -17.2 AT Down 22.3 149.3 Low 05:17:23 - 05:47:23 13840
Paisley 05:32:23 -17.8 AT Down 22.9 149.5 Low 05:17:23 - 05:47:23 13816
Lakeview 05:32:23 -18.3 Dark Down 23.4 149.6 Low 05:17:23 - 05:47:23 13789
Chiloquin 05:32:27 -17.4 AT Down 22.5 148.2 Low 05:17:27 - 05:47:27 13770
Cedarville 05:32:23 -18.9 Dark Down 24.1 149.6 Low 05:17:23 - 05:47:23 13752
Klamath Falls 05:32:27 -17.7 AT Down 22.8 148.2 Low 05:17:27 - 05:47:27 13751
Tulelake 05:32:26 -18.0 Dark Down 23.2 148.5 Low 05:17:26 - 05:47:26 13742
Fall River/Burney 05:32:26 -18.8 Dark Down 24.0 148.3 Low 05:17:26 - 05:47:26 13685
Susanville 05:32:26 -19.6 Dark Down 24.8 148.9 Low 05:17:26 - 05:47:26 13665
Gimple 05:32:26 -19.7 Dark Down 25.0 148.6 Low 05:17:26 - 05:47:26 13640
Greenville 05:32:27 -19.7 Dark Down 24.9 148.5 Low 05:17:27 - 05:47:27 13638
Reno 05:32:23 -20.7 Dark Down 25.9 149.5 Low 05:17:23 - 05:47:23 13631
Portola 05:32:25 -20.2 Dark Down 25.4 148.9 Low 05:17:25 - 05:47:25 13630
Quincy 05:32:26 -19.9 Dark Down 25.1 148.5 Low 05:17:26 - 05:47:26 13624
Yerington 05:32:23 -21.4 Dark Down 26.6 150.0 Low 05:17:23 - 05:47:23 13613
Carson City 05:32:24 -21.0 Dark Down 26.2 149.4 Low 05:17:24 - 05:47:24 13607
Tonopah 05:32:17 -23.1 Dark Down 28.2 151.6 Low 05:17:17 - 05:47:17 13606
Hawthorne 05:32:21 -22.1 Dark Down 27.2 150.3 Low 05:17:21 - 05:47:21 13597
Gardnerville 05:32:24 -21.2 Dark Down 26.4 149.4 Low 05:17:24 - 05:47:24 13592
Indian Springs 05:32:14 -25.0 Dark Down 30.1 152.7 Up 05:17:14 - 05:47:14 13549
Lee Vining 05:32:22 -22.3 Dark Down 27.5 149.7 Low 05:17:22 - 05:47:22 13543
Beatty 05:32:17 -24.2 Dark Down 29.4 151.8 Low 05:17:17 - 05:47:17 13540
Henderson 05:32:12 -25.7 Dark Down 30.8 153.3 Up 05:17:12 - 05:47:12 13532
Bishop 05:32:21 -23.1 Dark Down 28.3 150.3 Low 05:17:21 - 05:47:21 13524
Patrick 05:32:09 -26.7 Dark Down 31.7 154.3 Up 05:17:09 - 05:47:09 13521
DCO 05:32:07 -27.3 Dark Down 32.3 154.9 Up 05:17:07 - 05:47:07 13520
Kingman/Dolan Springs 05:32:10 -26.8 Dark Down 31.9 154.0 Up 05:17:10 - 05:47:10 13499
Searchlight/Boulder City 05:32:12 -26.2 Dark Down 31.3 153.2 Up 05:17:12 - 05:47:12 13493
Laughlin/Bullhead City 05:32:11 -26.6 Dark Down 31.7 153.5 Up 05:17:11 - 05:47:11 13482
Lone Pine 05:32:21 -23.9 Dark Down 29.1 150.4 Low 05:17:21 - 05:47:21 13480
Mohave Valley 05:32:11 -26.9 Dark Down 32.0 153.4 Up 05:17:11 - 05:47:11 13463
Lake Havasu City 05:32:11 -27.3 Dark Down 32.4 153.5 Up 05:17:11 - 05:47:11 13442
Parker 05:32:11 -27.6 Dark Down 32.7 153.5 Up 05:17:11 - 05:47:11 13417
Blythe 05:32:12 -27.9 Dark Down 33.1 153.0 Up 05:17:12 - 05:47:12 13370
Idyllwild 05:32:18 -26.9 Dark Down 32.2 150.9 Up 05:17:18 - 05:47:18 13314
CPSLO 05:32:30 -23.7 Dark Down 29.2 147.5 Low 05:17:30 - 05:47:30 13307
Calipatria 05:32:13 -27.9 Dark Down 33.2 151.9 Up 05:17:13 - 05:47:13 13305
Yuma 05:32:11 -28.7 Dark Down 33.9 152.7 Up 05:17:11 - 05:47:11 13300
Wildwood 05:32:23 -25.7 Dark Down 31.1 149.1 Up 05:17:23 - 05:47:23 13282

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 05:30UT)
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  87
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 2018/06/11 23:17:07 UT

Marc W. Buie, Southwest Research Institute

RECON