RECON: TNO occultation with 04VV130

Event between 04VV130 and star GA1260:01971601 with event index number of 2567342

Geocentric closest approach at 2022/09/12 06:58:55 UTC

J2000 position of star is 05:22:18.6 +37:05:49
Equinox of date position of star is 05:23:49.0 +37:07:00
Stellar brightness G=16.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 70 degrees from the moon. Moon is 95% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 32.1 AU from the Sun and 32.1 AU from the Earth.
The TNO is moving 11.1 km/sec on the sky relative to the star, or, 1.7 arcsec/hr.
The 1-sigma error in the time of the event is 296 seconds.
The 1-sigma cross-track error in the shadow position is 2992 km.
The sky-plane scale is 23285.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=194.1 km assuming a 5% albedo -- 17.5 sec chord
Diameter=79.2 km assuming a 30% albedo -- 7.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 04VV130, (2022/09/12 06:59UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.5 +16:33:11  0.8 23.00  56
3Iot Aur       04:58:28.5 +33:12:00  2.7  6.50  64
21Sig Aur      05:26:11.9 +37:24:15  6.4  0.55  70
PPM 070289     05:25:15.5 +37:12:30  8.3  0.30  70
PPM 070261     05:23:48.1 +37:03:54  9.8  0.05  70
04VV130        05:23:51.0 +37:07:02 16.4        70
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 3.0 sigma about the mid-time.
The median site spacing is 0.0 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)
Wildwood 06:59:22 -49.9 Dark Up 10.9 52.3 Really Low 06:44:22 - 07:14:22 12554
Idyllwild 06:59:12 -50.7 Dark Up 11.9 53.1 Really Low 06:44:12 - 07:14:12 12538
Calipatria 06:59:03 -51.6 Dark Up 12.3 53.5 Really Low 06:44:03 - 07:14:03 12529
Yuma 06:58:56 -52.2 Dark Up 12.6 53.8 Really Low 06:43:56 - 07:13:56 12522
Parker 06:59:06 -50.9 Dark Up 13.7 54.2 Really Low 06:44:06 - 07:14:06 12494
Lake Havasu City 06:59:08 -50.5 Dark Up 13.9 54.3 Really Low 06:44:08 - 07:14:08 12489
Bishop 07:00:05 -46.9 Dark Up 13.1 53.0 Really Low 06:45:05 - 07:15:05 12489
Mohave Valley 06:59:12 -50.1 Dark Up 14.0 54.3 Really Low 06:44:12 - 07:14:12 12486
Beatty 07:00:05 -47.7 Dark Up 13.9 53.7 Really Low 06:45:05 - 07:15:05 12482
Lee Vining 07:00:05 -46.1 Dark Up 13.0 52.8 Really Low 06:45:05 - 07:15:05 12482
Laughlin/Bullhead City 06:59:19 -49.8 Dark Up 14.2 54.3 Really Low 06:44:19 - 07:14:19 12481
Kingman/Dolan Springs 06:59:12 -49.9 Dark Up 14.5 54.6 Really Low 06:44:12 - 07:14:12 12473
Henderson 06:59:23 -48.9 Dark Up 14.4 54.3 Really Low 06:44:23 - 07:14:23 12471
Indian Springs 06:59:31 -48.2 Dark Up 14.3 54.1 Really Low 06:44:31 - 07:14:31 12470
Patrick 06:59:15 -49.7 Dark Up 14.8 54.7 Really Low 06:44:15 - 07:14:15 12465
Hawthorne 07:00:05 -45.7 Dark Up 13.7 53.1 Really Low 06:45:05 - 07:15:05 12462
Gardnerville 07:00:05 -45.1 Dark Up 13.2 52.6 Really Low 06:45:05 - 07:15:05 12462
Tonopah 07:00:05 -46.5 Dark Up 14.3 53.8 Really Low 06:45:05 - 07:15:05 12459
George/Scottsdale 06:58:49 -51.7 Dark Up 15.1 55.2 Really Low 06:43:49 - 07:13:49 12457
Carson City 07:00:10 -44.8 Dark Up 13.4 52.7 Really Low 06:45:10 - 07:15:10 12456
Yerington 07:00:06 -45.2 Dark Up 13.6 53.0 Really Low 06:45:06 - 07:15:06 12455
Reno 07:00:12 -44.5 Dark Up 13.6 52.7 Really Low 06:45:12 - 07:15:12 12446
Portola 07:00:17 -44.1 Dark Up 13.3 52.5 Really Low 06:45:17 - 07:15:17 12444
Quincy 07:00:15 -43.8 Dark Up 13.1 52.2 Really Low 06:45:15 - 07:15:15 12444
Greenville 07:00:22 -43.6 Dark Up 13.3 52.3 Really Low 06:45:22 - 07:15:22 12438
Gimple 07:00:20 -43.7 Dark Up 13.3 52.3 Really Low 06:45:20 - 07:15:20 12438
Susanville 07:00:22 -43.5 Dark Up 13.6 52.5 Really Low 06:45:22 - 07:15:22 12428
Fall River/Burney 07:00:31 -42.7 Dark Up 13.6 52.2 Really Low 06:45:31 - 07:15:31 12414
Cedarville 07:00:28 -42.5 Dark Up 14.6 53.0 Really Low 06:45:28 - 07:15:28 12391
Klamath Falls 07:00:39 -41.5 Dark Up 14.1 52.3 Really Low 06:45:39 - 07:15:39 12380
Lakeview 07:00:35 -41.9 Dark Up 14.9 53.0 Really Low 06:45:35 - 07:15:35 12372
Chiloquin 07:00:40 -41.1 Dark Up 14.2 52.3 Really Low 06:45:40 - 07:15:40 12369
North Lake 07:00:43 -40.8 Dark Up 15.2 53.0 Really Low 06:45:43 - 07:15:43 12341
Oregon Observatory 07:00:47 -40.0 Dark Up 15.3 52.8 Really Low 06:45:47 - 07:15:47 12322
Bend 07:00:53 -39.9 Dark Up 15.5 52.9 Really Low 06:45:53 - 07:15:53 12315
Sisters 07:00:53 -39.6 Dark Up 15.5 52.8 Really Low 06:45:53 - 07:15:53 12308
Maupin 07:00:58 -38.9 Dark Up 16.3 53.3 Really Low 06:45:58 - 07:15:58 12271
The Dalles 07:01:02 -38.5 Dark Up 16.5 53.4 Really Low 06:46:02 - 07:16:02 12256
Goldendale 07:01:01 -38.4 Dark Up 16.9 53.7 Really Low 06:46:01 - 07:16:01 12245
PNWRO 07:00:54 -38.6 Dark Up 18.0 54.8 Really Low 06:45:54 - 07:15:54 12223
Toppenish/White Swan 07:01:05 -37.9 Dark Up 17.4 54.1 Really Low 06:46:05 - 07:16:05 12220
Yakima 07:01:08 -37.7 Dark Up 17.5 54.0 Really Low 06:46:08 - 07:16:08 12213
Ellensburg 07:01:04 -37.3 Dark Up 17.7 54.1 Really Low 06:46:04 - 07:16:04 12196
Wenatchee 07:01:11 -37.0 Dark Up 18.1 54.4 Really Low 06:46:11 - 07:16:11 12177
CU-SBO 06:59:18 -45.8 Dark Up 23.0 60.0 Low 06:44:18 - 07:14:18 12174
Dunrhomin 06:59:22 -45.6 Dark Up 23.2 60.2 Low 06:44:22 - 07:14:22 12165
Manson/Chelan 07:01:13 -36.5 Dark Up 18.5 54.6 Really Low 06:46:13 - 07:16:13 12156
Victoria 07:01:29 -35.2 Dark Up 17.1 52.8 Really Low 06:46:29 - 07:16:29 12146
Brewster 07:01:13 -36.4 Dark Up 18.8 54.9 Really Low 06:46:13 - 07:16:13 12144
Okanogan 07:01:15 -36.2 Dark Up 19.0 55.1 Really Low 06:46:15 - 07:16:15 12131
Tonasket 07:01:18 -35.9 Dark Up 19.3 55.3 Really Low 06:46:18 - 07:16:18 12115
Anarchist Mountain Observatory 07:01:19 -35.6 Dark Up 19.5 55.4 Really Low 06:46:19 - 07:16:19 12102
Oliver 07:01:20 -35.4 Dark Up 19.5 55.4 Really Low 06:46:20 - 07:16:20 12095
Penticton 07:01:23 -35.1 Dark Up 19.7 55.5 Really Low 06:46:23 - 07:16:23 12079
Summerland 07:01:24 -35.0 Dark Up 19.7 55.4 Really Low 06:46:24 - 07:16:24 12077
Peachland 07:01:26 -34.8 Dark Up 19.8 55.4 Really Low 06:46:26 - 07:16:26 12071
Kelowna 07:01:27 -34.8 Dark Up 20.0 55.7 Really Low 06:46:27 - 07:16:27 12063
Kamloops 07:01:34 -33.9 Dark Up 20.0 55.3 Really Low 06:46:34 - 07:16:34 12032
Sleaford 07:00:57 -33.8 Dark Up 28.4 65.1 Low 06:45:57 - 07:15:57 11759

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 04VV130, (2022/09/12 06:59UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 23.00  56
3Iot Aur       04:56:59.6 +33:09:58  2.7  6.50  64
21Sig Aur      05:24:39.2 +37:23:07  6.4  0.55  70
PPM 070289     05:23:43.0 +37:11:20  8.3  0.30  70
PPM 070261     05:22:15.7 +37:02:41  9.8  0.05  70
04VV130        05:22:18.6 +37:05:49 16.4        70
Positions are for J2000

Event circumstances last updated at 2022/03/13 02:16:12 UT

Marc W. Buie, Southwest Research Institute

RECON