RECON: TNO occultation with 02GV32

Event between 02GV32 and star GA0660:13433968 with event index number of 1036854

Geocentric closest approach at 2019/07/07 07:11:44 UTC

J2000 position of star is 17:28:31.9 -23:39:54
Equinox of date position of star is 17:29:42.9 -23:40:46
Stellar brightness G=14.7, use SENSEUP=128
Star is 97 degrees from the moon. Moon is 26% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 32.0 AU from the Sun and 31.1 AU from the Earth.
The TNO is moving 21.5 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 227 seconds.
The 1-sigma cross-track error in the shadow position is 1370 km.
The sky-plane scale is 22539.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 9.5 sec chord
Diameter=83.4 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 02GV32, (2019/07/07 07:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:36.4 -26:28:25  0.9 13.67  84
35Eta Oph      17:11:29.9 -15:44:52  2.6  9.01  91
44 Oph         17:27:33.8 -24:11:30  4.2  0.71  96
PPM 266918     17:30:03.1 -23:27:23  8.4  0.24  97
PPM 266924     17:30:17.6 -23:51:03  9.3  0.22  97
02GV32         17:29:43.2 -23:40:46 14.7        97
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 4.0 sigma about the mid-time.
The median site spacing is 12.7 km RECON observability=0.7 and success probability=0.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:11:17 -16.6 AT Down 15.8 190.7 Really Low 06:56:17 - 07:26:17 5292
Summerland 07:11:18 -16.9 AT Down 16.1 190.5 Really Low 06:56:18 - 07:26:18 5283
Penticton 07:11:17 -16.9 AT Down 16.1 190.6 Really Low 06:56:17 - 07:26:17 5281
Okanagan Falls 07:11:17 -17.1 AT Down 16.3 190.6 Really Low 06:56:17 - 07:26:17 5275
Oliver 07:11:17 -17.3 AT Down 16.5 190.6 Really Low 06:56:17 - 07:26:17 5269
Anarchist Mountain Observatory 07:11:16 -17.5 AT Down 16.6 190.8 Really Low 06:56:16 - 07:26:16 5263
Oroville 07:11:16 -17.6 AT Down 16.7 190.7 Really Low 06:56:16 - 07:26:16 5261
Tonasket 07:11:16 -17.8 AT Down 16.9 190.7 Really Low 06:56:16 - 07:26:16 5253
Okanogan 07:11:16 -18.1 Dark Down 17.3 190.6 Really Low 06:56:16 - 07:26:16 5242
Brewster 07:11:17 -18.3 Dark Down 17.6 190.4 Really Low 06:56:17 - 07:26:17 5233
Manson/Chelan 07:11:18 -18.5 Dark Down 17.8 190.1 Really Low 06:56:18 - 07:26:18 5227
Entiat 07:11:18 -18.7 Dark Down 18.1 190.1 Really Low 06:56:18 - 07:26:18 5220
Wenatchee 07:11:18 -18.9 Dark Down 18.3 190.0 Really Low 06:56:18 - 07:26:18 5211
Ellensburg 07:11:18 -19.3 Dark Down 18.7 189.8 Really Low 06:56:18 - 07:26:18 5196
Yakima 07:11:18 -19.7 Dark Down 19.2 189.8 Really Low 06:56:18 - 07:26:18 5181
Toppenish/White Swan 07:11:18 -19.9 Dark Down 19.3 190.0 Really Low 06:56:18 - 07:26:18 5173
Pasco 07:11:13 -20.2 Dark Down 19.3 191.2 Really Low 06:56:13 - 07:26:13 5164
PNWRO 07:11:12 -20.5 Dark Down 19.5 191.4 Really Low 06:56:12 - 07:26:12 5153
Goldendale 07:11:19 -20.4 Dark Down 19.9 189.6 Really Low 06:56:19 - 07:26:19 5153
George/Umatilla 07:11:14 -20.5 Dark Down 19.7 191.0 Really Low 06:56:14 - 07:26:14 5152
The Dalles 07:11:20 -20.5 Dark Down 20.2 189.3 Low 06:56:20 - 07:26:20 5145
Maupin 07:11:19 -20.9 Dark Down 20.6 189.4 Low 06:56:19 - 07:26:19 5128
Madras/Culver 07:11:19 -21.5 Dark Down 21.1 189.4 Low 06:56:19 - 07:26:19 5106
Sisters 07:11:20 -21.7 Dark Down 21.5 189.0 Low 06:56:20 - 07:26:20 5093
Redmond 07:11:19 -21.8 Dark Down 21.5 189.3 Low 06:56:19 - 07:26:19 5091
Bend 07:11:20 -22.0 Dark Down 21.7 189.2 Low 06:56:20 - 07:26:20 5082
Oregon Observatory 07:11:20 -22.1 Dark Down 21.9 189.1 Low 06:56:20 - 07:26:20 5075
La Pine/Gilchrist 07:11:20 -22.3 Dark Down 22.1 189.1 Low 06:56:20 - 07:26:20 5067
North Lake 07:11:18 -22.9 Dark Down 22.5 189.7 Low 06:56:18 - 07:26:18 5047
Paisley 07:11:16 -23.5 Dark Down 23.0 190.1 Low 06:56:16 - 07:26:16 5021
Chiloquin 07:11:20 -23.3 Dark Down 23.3 188.8 Low 06:56:20 - 07:26:20 5019
Klamath Falls 07:11:20 -23.7 Dark Down 23.6 188.9 Low 06:56:20 - 07:26:20 5003
Lakeview 07:11:15 -24.0 Dark Down 23.5 190.3 Low 06:56:15 - 07:26:15 4998
Tulelake 07:11:19 -24.0 Dark Down 23.8 189.2 Low 06:56:19 - 07:26:19 4990
Cedarville 07:11:14 -24.6 Dark Down 24.1 190.5 Low 06:56:14 - 07:26:14 4967
Fall River/Burney 07:11:18 -24.9 Dark Down 24.7 189.3 Low 06:56:18 - 07:26:18 4948
Susanville 07:11:15 -25.6 Dark Down 25.2 190.1 Low 06:56:15 - 07:26:15 4915
Greenville 07:11:16 -25.8 Dark Down 25.6 189.9 Low 06:56:16 - 07:26:16 4903
Gimple 07:11:16 -25.9 Dark Down 25.5 189.9 Low 06:56:16 - 07:26:16 4903
Quincy 07:11:15 -26.0 Dark Down 25.8 189.9 Low 06:56:15 - 07:26:15 4893
Portola 07:11:14 -26.3 Dark Down 25.8 190.4 Low 06:56:14 - 07:26:14 4885
Reno 07:11:11 -26.6 Dark Down 26.0 191.0 Low 06:56:11 - 07:26:11 4870
Carson City 07:11:11 -27.0 Dark Down 26.3 191.1 Low 06:56:11 - 07:26:11 4852
Yerington 07:11:08 -27.3 Dark Down 26.4 191.7 Low 06:56:08 - 07:26:08 4839
Gardnerville 07:11:10 -27.2 Dark Down 26.6 191.1 Low 06:56:10 - 07:26:10 4839
Hawthorne 07:11:06 -27.8 Dark Down 26.8 192.3 Low 06:56:06 - 07:26:06 4813
Lee Vining 07:11:07 -28.3 Dark Down 27.4 191.9 Low 06:56:07 - 07:26:07 4786
Niwot 07:10:16 -27.3 Dark Down 22.0 204.9 Low 06:55:16 - 07:25:16 4784
Tonopah 07:11:00 -28.5 Dark Down 27.0 193.8 Low 06:56:00 - 07:26:00 4782
SwRI 07:10:17 -27.4 Dark Down 22.2 204.8 Low 06:55:17 - 07:25:17 4780
Bishop 07:11:04 -29.0 Dark Down 27.9 192.7 Low 06:56:04 - 07:26:04 4751
Beatty 07:10:57 -29.7 Dark Down 28.0 194.4 Low 06:55:57 - 07:25:57 4717
Lone Pine 07:11:02 -29.8 Dark Down 28.6 193.1 Low 06:56:02 - 07:26:02 4708
Indian Springs 07:10:53 -30.2 Dark Down 28.1 195.5 Low 06:55:53 - 07:25:53 4693
Henderson 07:10:49 -30.8 Dark Down 28.5 196.2 Low 06:55:49 - 07:25:49 4659
CPSLO 07:11:12 -30.6 Dark Down 30.3 190.6 Up 06:56:12 - 07:26:12 4645
Searchlight/Boulder City 07:10:48 -31.4 Dark Down 29.0 196.4 Low 06:55:48 - 07:25:48 4626
Patrick 07:10:44 -31.6 Dark Down 28.9 197.4 Low 06:55:44 - 07:25:44 4615
Laughlin/Bullhead City 07:10:47 -31.7 Dark Down 29.3 196.8 Low 06:55:47 - 07:25:47 4606
Kingman/Dolan Springs 07:10:45 -31.8 Dark Down 29.1 197.3 Low 06:55:45 - 07:25:45 4604
DCO 07:10:41 -31.9 Dark Down 29.0 198.2 Low 06:55:41 - 07:25:41 4592
Mohave Valley 07:10:46 -32.0 Dark Down 29.5 196.8 Low 06:55:46 - 07:25:46 4590
Wildwood 07:11:02 -32.2 Dark Down 31.1 192.9 Up 06:56:02 - 07:26:02 4567
Lake Havasu City 07:10:46 -32.4 Dark Down 29.8 197.1 Low 06:55:46 - 07:25:46 4565
Parker 07:10:45 -32.8 Dark Down 30.2 197.2 Up 06:55:45 - 07:25:45 4544
Idyllwild 07:10:54 -32.8 Dark Down 31.1 194.8 Up 06:55:54 - 07:25:54 4535
Blythe 07:10:46 -33.3 Dark Down 30.7 197.0 Up 06:55:46 - 07:25:46 4515
Calipatria 07:10:50 -33.6 Dark Down 31.4 196.2 Up 06:55:50 - 07:25:50 4491
Yuma 07:10:45 -34.2 Dark Down 31.6 197.1 Up 06:55:45 - 07:25:45 4459

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, (2019/07/07 07:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 13.67  84
35Eta Oph      17:10:22.7 -15:43:29  2.6  9.01  91
44 Oph         17:26:22.2 -24:10:33  4.2  0.71  96
PPM 266918     17:28:51.9 -23:26:31  8.4  0.24  97
PPM 266924     17:29:06.1 -23:50:11  9.3  0.22  97
02GV32         17:28:31.9 -23:39:54 14.7        97
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:23:10 UT

Marc W. Buie, Southwest Research Institute

RECON