RECON: TNO occultation with 02GV32

Event between 02GV32 and star GA0660:13017281 with event index number of 1036869

Geocentric closest approach at 2019/08/06 04:11:50 UTC

J2000 position of star is 17:26:06.4 -23:38:47
Equinox of date position of star is 17:27:17.4 -23:39:43
Stellar brightness G=16.9, use SENSEUP=128
Star is 59 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.5

[RECON map]
TNO is 32.0 AU from the Sun and 31.4 AU from the Earth.
The TNO is moving 12.6 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 356 seconds.
The 1-sigma cross-track error in the shadow position is 1406 km.
The sky-plane scale is 22756.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 16.2 sec chord
Diameter=83.4 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 02GV32, (2019/08/06 04:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.7 -26:28:26  0.9 13.13  47
35Eta Oph      17:11:30.2 -15:44:52  2.6  8.74  54
44 Oph         17:27:34.1 -24:11:30  4.2  0.53  59
PPM 266859     17:27:12.6 -23:11:16  8.4  0.47  59
PPM 266864     17:27:19.8 -23:54:27  9.3  0.25  59
02GV32         17:27:18.0 -23:39:44 16.9        59
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 2.5 sigma about the mid-time.
The median site spacing is 14.9 km RECON observability=0.3 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 04:12:23 -6.2 NT Up 16.4 176.8 Really Low 03:57:23 - 04:27:23 9151
Summerland 04:12:25 -6.2 NT Up 16.7 176.5 Really Low 03:57:25 - 04:27:25 9140
Penticton 04:12:25 -6.3 NT Up 16.8 176.6 Really Low 03:57:25 - 04:27:25 9139
Okanagan Falls 04:12:26 -6.4 NT Up 16.9 176.6 Really Low 03:57:26 - 04:27:26 9132
Oliver 04:12:26 -6.5 NT Up 17.1 176.6 Really Low 03:57:26 - 04:27:26 9127
Anarchist Mountain Observatory 04:12:24 -6.7 NT Up 17.3 176.8 Really Low 03:57:24 - 04:27:24 9122
Oroville 04:12:24 -6.7 NT Up 17.4 176.7 Really Low 03:57:24 - 04:27:24 9119
Tonasket 04:12:25 -6.9 NT Up 17.6 176.7 Really Low 03:57:25 - 04:27:25 9112
Okanogan 04:12:26 -7.0 NT Up 17.9 176.5 Really Low 03:57:26 - 04:27:26 9099
Brewster 04:12:28 -7.0 NT Up 18.2 176.4 Really Low 03:57:28 - 04:27:28 9089
Manson/Chelan 04:12:30 -7.0 NT Up 18.4 176.0 Really Low 03:57:30 - 04:27:30 9080
Entiat 04:12:29 -7.0 NT Up 18.6 175.9 Really Low 03:57:29 - 04:27:29 9072
Wenatchee 04:12:31 -7.1 NT Up 18.8 175.8 Really Low 03:57:31 - 04:27:31 9063
Ellensburg 04:12:32 -7.2 NT Up 19.2 175.6 Really Low 03:57:32 - 04:27:32 9046
Yakima 04:12:32 -7.5 NT Up 19.6 175.6 Really Low 03:57:32 - 04:27:32 9031
Pasco 04:12:24 -8.5 NT Up 20.0 176.9 Low 03:57:24 - 04:27:24 9024
Toppenish/White Swan 04:12:30 -7.7 NT Up 19.9 175.7 Really Low 03:57:30 - 04:27:30 9024
PNWRO 04:12:22 -8.7 NT Up 20.3 177.2 Low 03:57:22 - 04:27:22 9016
George/Umatilla 04:12:25 -8.5 NT Up 20.4 176.7 Low 03:57:25 - 04:27:25 9010
Goldendale 04:12:34 -7.8 NT Up 20.4 175.3 Low 03:57:34 - 04:27:34 9000
The Dalles 04:12:36 -7.7 NT Up 20.6 175.0 Low 03:57:36 - 04:27:36 8990
Maupin 04:12:36 -8.0 NT Up 21.0 175.1 Low 03:57:36 - 04:27:36 8973
Madras/Culver 04:12:36 -8.2 NT Up 21.6 175.0 Low 03:57:36 - 04:27:36 8951
Redmond 04:12:35 -8.4 NT Up 21.9 174.9 Low 03:57:35 - 04:27:35 8935
Sisters 04:12:40 -8.2 NT Up 21.9 174.6 Low 03:57:40 - 04:27:40 8934
Bend 04:12:39 -8.4 NT Up 22.1 174.8 Low 03:57:39 - 04:27:39 8926
Oregon Observatory 04:12:38 -8.5 NT Up 22.3 174.7 Low 03:57:38 - 04:27:38 8918
La Pine/Gilchrist 04:12:40 -8.5 NT Up 22.5 174.6 Low 03:57:40 - 04:27:40 8909
North Lake 04:12:36 -9.1 NT Up 23.0 175.2 Low 03:57:36 - 04:27:36 8893
Paisley 04:12:33 -9.7 NT Up 23.5 175.5 Low 03:57:33 - 04:27:33 8870
Chiloquin 04:12:42 -8.9 NT Up 23.6 174.2 Low 03:57:42 - 04:27:42 8857
Lakeview 04:12:33 -10.1 NT Up 24.0 175.7 Low 03:57:33 - 04:27:33 8848
Klamath Falls 04:12:41 -9.2 NT Up 23.9 174.3 Low 03:57:41 - 04:27:41 8842
Tulelake 04:12:40 -9.5 NT Up 24.2 174.6 Low 03:57:40 - 04:27:40 8832
Cedarville 04:12:31 -10.5 NT Up 24.7 175.8 Low 03:57:31 - 04:27:31 8818
Fall River/Burney 04:12:40 -10.0 NT Up 25.1 174.6 Low 03:57:40 - 04:27:40 8789
Susanville 04:12:35 -10.8 NT Up 25.8 175.3 Low 03:57:35 - 04:27:35 8763
Niwot 04:10:56 -20.0 Dark Up 25.5 190.6 Low 03:55:56 - 04:25:56 8760
SwRI 04:10:56 -20.0 Dark Up 25.6 190.5 Low 03:55:56 - 04:25:56 8755
Gimple 04:12:35 -10.9 NT Up 26.1 175.1 Low 03:57:35 - 04:27:35 8748
Greenville 04:12:37 -10.8 NT Up 26.1 175.0 Low 03:57:37 - 04:27:37 8748
Quincy 04:12:37 -10.9 NT Up 26.3 175.0 Low 03:57:37 - 04:27:37 8738
Portola 04:12:35 -11.3 NT Up 26.4 175.5 Low 03:57:35 - 04:27:35 8734
Reno 04:12:28 -11.8 NT Up 26.7 176.1 Low 03:57:28 - 04:27:28 8724
Carson City 04:12:31 -12.1 AT Up 27.1 176.1 Low 03:57:31 - 04:27:31 8706
Yerington 04:12:26 -12.6 AT Up 27.3 176.7 Low 03:57:26 - 04:27:26 8699
Gardnerville 04:12:30 -12.2 AT Up 27.3 176.2 Low 03:57:30 - 04:27:30 8694
Hawthorne 04:12:22 -13.2 AT Up 27.8 177.3 Low 03:57:22 - 04:27:22 8677
Tonopah 04:12:13 -14.3 AT Up 28.3 178.7 Low 03:57:13 - 04:27:13 8658
Lee Vining 04:12:26 -13.2 AT Up 28.3 176.8 Low 03:57:26 - 04:27:26 8645
Bishop 04:12:21 -14.0 AT Up 28.9 177.5 Low 03:57:21 - 04:27:21 8617
Beatty 04:12:10 -15.3 AT Up 29.4 179.1 Low 03:57:10 - 04:27:10 8597
Indian Springs 04:12:02 -16.2 AT Up 29.8 180.2 Low 03:57:02 - 04:27:02 8582
Lone Pine 04:12:19 -14.6 AT Up 29.7 177.8 Low 03:57:19 - 04:27:19 8576
Henderson 04:11:59 -16.9 AT Up 30.3 181.0 Up 03:56:59 - 04:26:59 8554
Searchlight/Boulder City 04:11:57 -17.3 AT Up 30.9 181.0 Up 03:56:57 - 04:26:57 8522
Patrick 04:11:50 -18.0 AT Up 30.9 182.1 Up 03:56:50 - 04:26:50 8521
Kingman/Dolan Springs 04:11:52 -18.0 Dark Up 31.1 181.9 Up 03:56:52 - 04:26:52 8508
Laughlin/Bullhead City 04:11:56 -17.7 AT Up 31.2 181.4 Up 03:56:56 - 04:26:56 8506
DCO 04:11:45 -18.6 Dark Up 31.2 182.9 Up 03:56:45 - 04:26:45 8504
CPSLO 04:12:38 -13.6 AT Up 30.9 175.1 Up 03:57:38 - 04:27:38 8491
Mohave Valley 04:11:55 -17.8 AT Up 31.4 181.4 Up 03:56:55 - 04:26:55 8490
Lake Havasu City 04:11:53 -18.2 Dark Up 31.8 181.7 Up 03:56:53 - 04:26:53 8467
Parker 04:11:53 -18.5 Dark Up 32.2 181.7 Up 03:56:53 - 04:26:53 8446
Wildwood 04:12:24 -15.7 AT Up 32.2 177.2 Up 03:57:24 - 04:27:24 8431
Idyllwild 04:12:09 -17.1 AT Up 32.6 179.1 Up 03:57:09 - 04:27:09 8416
Blythe 04:11:56 -18.6 Dark Up 32.7 181.4 Up 03:56:56 - 04:26:56 8415
Calipatria 04:12:02 -18.3 Dark Up 33.2 180.4 Up 03:57:02 - 04:27:02 8383
Yuma 04:11:54 -19.1 Dark Up 33.6 181.4 Up 03:56:54 - 04:26:54 8359

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 02GV32, (2019/08/06 04:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.13  47
35Eta Oph      17:10:22.7 -15:43:29  2.6  8.74  54
44 Oph         17:26:22.2 -24:10:33  4.2  0.53  59
PPM 266859     17:26:01.2 -23:10:19  8.4  0.47  59
PPM 266864     17:26:08.1 -23:53:30  9.3  0.25  59
02GV32         17:26:06.4 -23:38:47 16.9        59
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:30:44 UT

Marc W. Buie, Southwest Research Institute

RECON