RECON: TNO occultation with 02GS32

Event between 02GS32 and star GA0660:08552106 with event index number of 275554

Geocentric closest approach at 2020/07/01 07:47:59 UTC

J2000 position of star is 16:57:01.8 -22:59:08
Equinox of date position of star is 16:58:16.0 -23:00:58
Stellar brightness G=15.8, use SENSEUP=128
Star is 26 degrees from the moon. Moon is 82% illuminated.
TNO apparent brightness V=25.9

[RECON map]
TNO is 38.4 AU from the Sun and 37.5 AU from the Earth.
The TNO is moving 21.7 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 1335 seconds.
The 1-sigma cross-track error in the shadow position is 2568 km.
The sky-plane scale is 27176.1 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=187.9 km assuming a 5% albedo -- 2.8 sec chord
Diameter=76.7 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 02GS32, (2020/07/01 07:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:40.1 -26:28:33  0.9  7.16  22
23Tau Sco      16:37:09.7 -28:15:25  2.8  7.08  24
26 Oph         17:01:25.0 -25:01:07  5.8  2.13  27
PPM 266128     16:56:05.3 -23:32:40  6.9  0.73  26
PPM 266199     16:59:21.0 -23:03:33  9.4  0.25  26
02GS32         16:58:16.1 -23:00:58 15.8        26
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 0.7 sigma about the mid-time.
The median site spacing is 12.8 km RECON observability=0.6 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 07:47:22 -16.6 AT Up 14.0 201.9 Really Low 07:32:22 - 08:02:22 8619
Kelowna 07:47:22 -17.0 AT Up 14.4 201.7 Really Low 07:32:22 - 08:02:22 8607
Peachland 07:47:23 -17.1 AT Up 14.5 201.5 Really Low 07:32:23 - 08:02:23 8605
Summerland 07:47:22 -17.3 AT Up 14.6 201.6 Really Low 07:32:22 - 08:02:22 8600
Penticton 07:47:21 -17.3 AT Up 14.7 201.7 Really Low 07:32:21 - 08:02:21 8597
Oliver 07:47:21 -17.7 AT Up 15.0 201.7 Really Low 07:32:21 - 08:02:21 8586
Anarchist Mountain Observatory 07:47:20 -17.9 AT Up 15.1 201.9 Really Low 07:32:20 - 08:02:20 8581
Tonasket 07:47:20 -18.2 Dark Up 15.4 201.9 Really Low 07:32:20 - 08:02:20 8570
Victoria 07:47:32 -18.1 Dark Up 16.5 198.3 Really Low 07:32:32 - 08:02:32 8570
Okanogan 07:47:20 -18.5 Dark Up 15.8 201.8 Really Low 07:32:20 - 08:02:20 8559
Brewster 07:47:19 -18.8 Dark Up 16.1 201.6 Really Low 07:32:19 - 08:02:19 8551
Manson/Chelan 07:47:22 -18.9 Dark Up 16.4 201.3 Really Low 07:32:22 - 08:02:22 8544
Entiat 07:47:20 -19.2 Dark Up 16.6 201.3 Really Low 07:32:20 - 08:02:20 8537
Wenatchee 07:47:21 -19.4 Dark Up 16.8 201.2 Really Low 07:32:21 - 08:02:21 8528
Ellensburg 07:47:20 -19.8 Dark Up 17.3 201.0 Really Low 07:32:20 - 08:02:20 8514
Yakima 07:47:19 -20.2 Dark Up 17.7 201.1 Really Low 07:32:19 - 08:02:19 8499
Toppenish/White Swan 07:47:18 -20.4 Dark Up 17.8 201.2 Really Low 07:32:18 - 08:02:18 8490
Pasco 07:47:14 -20.6 Dark Up 17.6 202.4 Really Low 07:32:14 - 08:02:14 8483
PNWRO 07:47:13 -20.9 Dark Up 17.8 202.7 Really Low 07:32:13 - 08:02:13 8473
Goldendale 07:47:20 -21.0 Dark Up 18.5 200.9 Really Low 07:32:20 - 08:02:20 8471
The Dalles 07:47:20 -21.2 Dark Up 18.8 200.6 Really Low 07:32:20 - 08:02:20 8462
Maupin 07:47:19 -21.6 Dark Up 19.1 200.7 Really Low 07:32:19 - 08:02:19 8446
Sisters 07:47:19 -22.4 Dark Up 20.1 200.4 Low 07:32:19 - 08:02:19 8412
Redmond 07:47:18 -22.5 Dark Up 20.0 200.8 Really Low 07:32:18 - 08:02:18 8410
Bend 07:47:18 -22.7 Dark Up 20.2 200.7 Low 07:32:18 - 08:02:18 8402
Oregon Observatory 07:47:19 -22.9 Dark Up 20.4 200.6 Low 07:32:19 - 08:02:19 8395
La Pine/Gilchrist 07:47:19 -23.1 Dark Up 20.6 200.5 Low 07:32:19 - 08:02:19 8386
North Lake 07:47:16 -23.5 Dark Up 20.9 201.2 Low 07:32:16 - 08:02:16 8367
Paisley 07:47:14 -24.1 Dark Up 21.3 201.6 Low 07:32:14 - 08:02:14 8342
Klamath Falls 07:47:17 -24.5 Dark Up 22.1 200.5 Low 07:32:17 - 08:02:17 8324
Lakeview 07:47:13 -24.6 Dark Up 21.7 201.8 Low 07:32:13 - 08:02:13 8320
Cedarville 07:47:11 -25.3 Dark Up 22.3 202.1 Low 07:32:11 - 08:02:11 8289
Fall River/Burney 07:47:15 -25.7 Dark Up 23.1 201.0 Low 07:32:15 - 08:02:15 8269
Susanville 07:47:11 -26.4 Dark Up 23.5 201.8 Low 07:32:11 - 08:02:11 8238
Greenville 07:47:12 -26.6 Dark Up 23.8 201.6 Low 07:32:12 - 08:02:12 8225
Gimple 07:47:11 -26.6 Dark Up 23.8 201.6 Low 07:32:11 - 08:02:11 8225
Quincy 07:47:10 -26.8 Dark Up 24.0 201.6 Low 07:32:10 - 08:02:10 8215
Portola 07:47:09 -27.0 Dark Up 24.0 202.1 Low 07:32:09 - 08:02:09 8209
Reno 07:47:06 -27.3 Dark Up 24.0 202.7 Low 07:32:06 - 08:02:06 8194
Carson City 07:47:06 -27.6 Dark Up 24.3 202.8 Low 07:32:06 - 08:02:06 8176
Yerington 07:47:02 -27.9 Dark Up 24.3 203.4 Low 07:32:02 - 08:02:02 8164
Gardnerville 07:47:04 -27.9 Dark Up 24.6 202.9 Low 07:32:04 - 08:02:04 8164
Hawthorne 07:47:00 -28.4 Dark Up 24.6 204.0 Low 07:32:00 - 08:02:00 8139
Niwot 07:46:18 -26.1 Dark Up 18.1 215.6 Really Low 07:31:18 - 08:01:18 8123
SwRI 07:46:18 -26.2 Dark Up 18.2 215.6 Really Low 07:31:18 - 08:01:18 8118
Lee Vining 07:47:02 -28.9 Dark Up 25.3 203.7 Low 07:32:02 - 08:02:02 8112
Tonopah 07:46:55 -28.9 Dark Up 24.6 205.4 Low 07:31:55 - 08:01:55 8110
Bishop 07:46:58 -29.5 Dark Up 25.6 204.4 Low 07:31:58 - 08:01:58 8078
Beatty 07:46:52 -30.0 Dark Up 25.5 206.1 Low 07:31:52 - 08:01:52 8046
Indian Springs 07:46:47 -30.4 Dark Up 25.4 207.1 Low 07:31:47 - 08:01:47 8023
Henderson 07:46:44 -30.9 Dark Up 25.6 207.9 Low 07:31:44 - 08:01:44 7989
CPSLO 07:47:04 -31.4 Dark Up 28.2 202.7 Low 07:32:04 - 08:02:04 7970
Searchlight/Boulder City 07:46:41 -31.5 Dark Up 26.1 208.1 Low 07:31:41 - 08:01:41 7957
Patrick 07:46:38 -31.5 Dark Up 25.7 209.0 Low 07:31:38 - 08:01:38 7948
Laughlin/Bullhead City 07:46:40 -31.8 Dark Up 26.2 208.5 Low 07:31:40 - 08:01:40 7938
Kingman/Dolan Springs 07:46:38 -31.7 Dark Up 26.0 208.9 Low 07:31:38 - 08:01:38 7936
DCO 07:46:35 -31.8 Dark Up 25.7 209.8 Low 07:31:35 - 08:01:35 7926
Mohave Valley 07:46:39 -32.0 Dark Up 26.4 208.5 Low 07:31:39 - 08:01:39 7922
Lake Havasu City 07:46:38 -32.4 Dark Up 26.7 208.8 Low 07:31:38 - 08:01:38 7897
Wildwood 07:46:54 -32.8 Dark Up 28.6 204.9 Low 07:31:54 - 08:01:54 7895
Parker 07:46:37 -32.8 Dark Up 27.0 209.0 Low 07:31:37 - 08:01:37 7877
Idyllwild 07:46:45 -33.2 Dark Up 28.3 206.8 Low 07:31:45 - 08:01:45 7867
Blythe 07:46:38 -33.3 Dark Up 27.6 208.8 Low 07:31:38 - 08:01:38 7847
George/Scottsdale 07:46:27 -33.1 Dark Up 26.4 211.3 Low 07:31:27 - 08:01:27 7835
Calipatria 07:46:39 -33.8 Dark Up 28.4 208.1 Low 07:31:39 - 08:01:39 7823
Yuma 07:46:37 -34.2 Dark Up 28.4 209.0 Low 07:31:37 - 08:01:37 7792

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 02GS32, (2020/07/01 07:48UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  7.16  22
23Tau Sco      16:35:52.9 -28:12:58  2.8  7.08  24
26 Oph         17:00:09.6 -24:59:22  5.8  2.13  27
PPM 266128     16:54:50.8 -23:30:46  6.9  0.73  26
PPM 266199     16:58:06.8 -23:01:44  9.4  0.25  26
02GS32         16:57:01.8 -22:59:08 15.8        26
Positions are for J2000

Event circumstances last updated at 2020/06/21 04:24:47 UT

Marc W. Buie, Southwest Research Institute

RECON