RECON: TNO occultation with 02GV32

Event between 02GV32 and star GA0640:20316422 with event index number of 1070256

Geocentric closest approach at 2021/07/07 09:11:51 UTC

J2000 position of star is 17:47:51.6 -24:14:54
Equinox of date position of star is 17:49:10.2 -24:15:16
Stellar brightness G=15.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 168 degrees from the moon. Moon is 7% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 32.1 AU from the Sun and 31.1 AU from the Earth.
The TNO is moving 22.2 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 351 seconds.
The 1-sigma cross-track error in the shadow position is 1557 km.
The sky-plane scale is 22585.0 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=204.2 km assuming a 5% albedo -- 9.2 sec chord
Diameter=83.4 km assuming a 30% albedo -- 3.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 02GV32, (2021/07/07 09:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.8 -26:28:40  0.9 17.84 173
35Eta Oph      17:11:36.8 -15:45:00  2.6 12.25 172
PPM 267497     17:56:13.6 -24:53:22  6.4  1.72 167
PPM 267267     17:47:44.3 -24:08:53  8.4  0.35 169
PPM 267317     17:49:19.6 -24:12:30  9.4  0.06 168
02GV32         17:49:10.7 -24:15:16 15.8       168
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 2.6 sigma about the mid-time.
The median site spacing is 59.8 km RECON observability=0.1 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)
Victoria 09:10:10 -18.0 Dark Down 11.6 210.2 Really Low 08:55:10 - 09:25:10 8718
Clarence Fulton 09:10:03 -15.7 AT Down 8.7 213.5 Really Low 08:55:03 - 09:25:03 8714
Peachland 09:10:03 -16.2 AT Down 9.3 213.2 Really Low 08:55:03 - 09:25:03 8704
Kelowna 09:10:03 -16.1 AT Down 9.1 213.4 Really Low 08:55:03 - 09:25:03 8703
Summerland 09:10:02 -16.4 AT Down 9.4 213.3 Really Low 08:55:02 - 09:25:02 8697
Penticton 09:10:01 -16.4 AT Down 9.4 213.4 Really Low 08:55:01 - 09:25:01 8692
Oliver 09:10:01 -16.7 AT Down 9.7 213.4 Really Low 08:55:01 - 09:25:01 8679
Anarchist Mountain Observatory 09:10:00 -16.9 AT Down 9.7 213.6 Really Low 08:55:00 - 09:25:00 8669
Tonasket 09:10:00 -17.2 AT Down 10.0 213.6 Really Low 08:55:00 - 09:25:00 8658
Okanogan 09:09:59 -17.5 AT Down 10.4 213.5 Really Low 08:54:59 - 09:24:59 8647
Brewster 09:09:58 -17.8 AT Down 10.7 213.3 Really Low 08:54:58 - 09:24:58 8640
Manson/Chelan 09:09:59 -18.1 Dark Down 11.0 213.0 Really Low 08:54:59 - 09:24:59 8638
Wenatchee 09:09:58 -18.6 Dark Down 11.4 212.9 Really Low 08:54:58 - 09:24:58 8622
Ellensburg 09:09:59 -19.0 Dark Down 11.9 212.8 Really Low 08:54:59 - 09:24:59 8609
Yakima 09:09:58 -19.4 Dark Down 12.2 212.8 Really Low 08:54:58 - 09:24:58 8592
Toppenish/White Swan 09:09:58 -19.6 Dark Down 12.3 213.0 Really Low 08:54:58 - 09:24:58 8580
Goldendale 09:09:57 -20.2 Dark Down 13.0 212.7 Really Low 08:54:57 - 09:24:57 8564
The Dalles 09:09:58 -20.5 Dark Down 13.3 212.4 Really Low 08:54:58 - 09:24:58 8560
Pasco 09:09:53 -19.5 Dark Down 12.0 214.1 Really Low 08:54:53 - 09:24:53 8551
Maupin 09:09:57 -20.9 Dark Down 13.6 212.6 Really Low 08:54:57 - 09:24:57 8540
PNWRO 09:09:52 -19.7 Dark Down 12.1 214.3 Really Low 08:54:52 - 09:24:52 8536
Sisters 09:09:56 -21.8 Dark Down 14.5 212.2 Really Low 08:54:56 - 09:24:56 8510
Redmond 09:09:56 -21.8 Dark Down 14.4 212.6 Really Low 08:54:56 - 09:24:56 8501
Bend 09:09:56 -22.0 Dark Down 14.6 212.5 Really Low 08:54:56 - 09:24:56 8494
Oregon Observatory 09:09:55 -22.2 Dark Down 14.8 212.4 Really Low 08:54:55 - 09:24:55 8488
La Pine/Gilchrist 09:09:56 -22.4 Dark Down 15.0 212.4 Really Low 08:54:56 - 09:24:56 8480
North Lake 09:09:53 -22.7 Dark Down 15.2 213.0 Really Low 08:54:53 - 09:24:53 8448
Chiloquin 09:09:54 -23.6 Dark Down 16.1 212.2 Really Low 08:54:54 - 09:24:54 8433
Klamath Falls 09:09:53 -23.9 Dark Down 16.4 212.4 Really Low 08:54:53 - 09:24:53 8415
Paisley 09:09:49 -23.2 Dark Down 15.5 213.3 Really Low 08:54:49 - 09:24:49 8415
Lakeview 09:09:49 -23.6 Dark Down 15.8 213.6 Really Low 08:54:49 - 09:24:49 8386
Cedarville 09:09:47 -24.2 Dark Down 16.3 213.8 Really Low 08:54:47 - 09:24:47 8349
Fall River/Burney 09:09:50 -24.9 Dark Down 17.2 212.9 Really Low 08:54:50 - 09:24:50 8348
Susanville 09:09:47 -25.4 Dark Down 17.4 213.6 Really Low 08:54:47 - 09:24:47 8301
Greenville 09:09:47 -25.7 Dark Down 17.8 213.4 Really Low 08:54:47 - 09:24:47 8292
Gimple 09:09:46 -25.7 Dark Down 17.8 213.5 Really Low 08:54:46 - 09:24:46 8290
Quincy 09:09:46 -25.9 Dark Down 18.0 213.4 Really Low 08:54:46 - 09:24:46 8281
Portola 09:09:45 -25.9 Dark Down 17.9 213.9 Really Low 08:54:45 - 09:24:45 8265
Reno 09:09:42 -26.1 Dark Down 17.8 214.4 Really Low 08:54:42 - 09:24:42 8238
Carson City 09:09:41 -26.4 Dark Down 18.1 214.5 Really Low 08:54:41 - 09:24:41 8218
Gardnerville 09:09:41 -26.6 Dark Down 18.3 214.6 Really Low 08:54:41 - 09:24:41 8203
Yerington 09:09:39 -26.4 Dark Down 18.0 215.1 Really Low 08:54:39 - 09:24:39 8194
Hawthorne 09:09:36 -26.8 Dark Down 18.1 215.6 Really Low 08:54:36 - 09:24:36 8157
Lee Vining 09:09:37 -27.4 Dark Down 18.8 215.3 Really Low 08:54:37 - 09:24:37 8135
Tonopah 09:09:31 -26.8 Dark Down 17.9 216.9 Really Low 08:54:31 - 09:24:31 8100
Bishop 09:09:34 -27.8 Dark Down 19.0 216.0 Really Low 08:54:34 - 09:24:34 8085
Beatty 09:09:28 -27.8 Dark Down 18.6 217.4 Really Low 08:54:28 - 09:24:28 8021
CPSLO 09:09:37 -30.3 Dark Down 21.7 214.6 Low 08:54:37 - 09:24:37 8010
Indian Springs 09:09:24 -27.8 Dark Down 18.3 218.4 Really Low 08:54:24 - 09:24:24 7977
Dunrhomin 09:09:03 -20.9 Dark Down 10.1 225.8 Really Low 08:54:03 - 09:24:03 7931
Henderson 09:09:21 -28.1 Dark Down 18.4 219.0 Really Low 08:54:21 - 09:24:21 7928
Wildwood 09:09:29 -31.0 Dark Down 21.7 216.6 Low 08:54:29 - 09:24:29 7890
Laughlin/Bullhead City 09:09:18 -28.8 Dark Down 18.8 219.5 Really Low 08:54:18 - 09:24:18 7864
Patrick 09:09:16 -28.3 Dark Down 18.3 220.0 Really Low 08:54:16 - 09:24:16 7862
Kingman/Dolan Springs 09:09:17 -28.6 Dark Down 18.6 219.9 Really Low 08:54:17 - 09:24:17 7853
Mohave Valley 09:09:18 -29.0 Dark Down 19.1 219.6 Really Low 08:54:18 - 09:24:18 7846
Idyllwild 09:09:22 -30.8 Dark Down 21.1 218.2 Low 08:54:22 - 09:24:22 7825
Lake Havasu City 09:09:16 -29.3 Dark Down 19.2 219.9 Really Low 08:54:16 - 09:24:16 7815
Parker 09:09:15 -29.6 Dark Down 19.5 220.0 Really Low 08:54:15 - 09:24:15 7792
Blythe 09:09:15 -30.2 Dark Down 20.1 219.9 Low 08:54:15 - 09:24:15 7765
Calipatria 09:09:17 -31.0 Dark Down 20.9 219.2 Low 08:54:17 - 09:24:17 7756
Yuma 09:09:14 -31.1 Dark Down 20.8 220.0 Low 08:54:14 - 09:24:14 7705
George/Scottsdale 09:09:07 -29.2 Dark Down 18.5 221.9 Really Low 08:54:07 - 09:24:07 7703

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, (2021/07/07 09:12UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 17.84 173
35Eta Oph      17:10:22.7 -15:43:29  2.6 12.25 172
PPM 267497     17:54:54.1 -24:53:13  6.4  1.72 167
PPM 267267     17:46:25.3 -24:08:29  8.4  0.35 169
PPM 267317     17:48:00.5 -24:12:09  9.4  0.06 168
02GV32         17:47:51.6 -24:14:54 15.8       168
Positions are for J2000

Event circumstances last updated at 2021/05/17 01:04:30 UT

Marc W. Buie, Southwest Research Institute

RECON