RECON: TNO occultation with 04VY130

Event between 04VY130 and star GA1040:01311717 with event index number of 1190324

Geocentric closest approach at 2022/11/15 08:20:15 UTC

J2000 position of star is 05:56:01.3 +15:54:51
Equinox of date position of star is 05:57:08.4 +15:54:57
Stellar brightness G=11.5, use SENSEUP=8
Star is 43 degrees from the moon. Moon is 62% illuminated.
TNO apparent brightness V=23.0

[RECON map]
TNO is 30.4 AU from the Sun and 29.6 AU from the Earth.
The TNO is moving 18.8 km/sec on the sky relative to the star, or, 3.2 arcsec/hr.
The 1-sigma error in the time of the event is 707 seconds.
The 1-sigma cross-track error in the shadow position is 2230 km.
The sky-plane scale is 21493.8 km/arcsec.

The TNO has an absolute magnitude Hv=8.1
Diameter=144.5 km assuming a 5% albedo -- 7.7 sec chord
Diameter=59.0 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 04VY130, (2022/11/15 08:20UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.6 +07:24:34  0.4  8.51  46
Alhena         06:39:02.0 +16:22:40  1.9 10.02  33
137 Tau        05:53:40.3 +14:10:32  5.5  1.95  44
PPM 121625     05:57:59.7 +15:58:20  8.4  0.17  42
04VY130        05:57:20.3 +15:54:58 11.5        42
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 1.3 sigma about the mid-time.
The median site spacing is 18.6 km RECON observability=1.0 and success probability=22.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 08:21:24 -57.6 Dark Up 48.9 135.5 Up 08:06:24 - 08:36:24 1529
Summerland 08:21:24 -58.0 Dark Up 49.0 134.9 Up 08:06:24 - 08:36:24 1512
Penticton 08:21:24 -58.0 Dark Up 49.1 135.0 Up 08:06:24 - 08:36:24 1504
Okanagan Falls 08:21:24 -58.2 Dark Up 49.2 134.8 Up 08:06:24 - 08:36:24 1490
Oliver 08:21:24 -58.4 Dark Up 49.3 134.7 Up 08:06:24 - 08:36:24 1477
Anarchist Mountain Observatory 08:21:24 -58.5 Dark Up 49.5 134.8 Up 08:06:24 - 08:36:24 1459
Oroville 08:21:24 -58.6 Dark Up 49.5 134.6 Up 08:06:24 - 08:36:24 1455
Tonasket 08:21:24 -58.8 Dark Up 49.7 134.5 Up 08:06:24 - 08:36:24 1437
Okanogan 08:21:24 -59.1 Dark Up 49.9 134.0 Up 08:06:24 - 08:36:24 1415
Brewster 08:21:24 -59.4 Dark Up 50.0 133.5 Up 08:06:24 - 08:36:24 1400
Manson/Chelan 08:21:24 -59.7 Dark Up 49.9 132.8 Up 08:06:24 - 08:36:24 1395
Entiat 08:21:24 -59.9 Dark Up 50.0 132.5 Up 08:06:24 - 08:36:24 1381
Wenatchee 08:21:24 -60.2 Dark Up 50.2 132.2 Up 08:06:24 - 08:36:24 1366
Ellensburg 08:21:24 -60.6 Dark Up 50.3 131.5 Up 08:06:24 - 08:36:24 1344
Yakima 08:21:24 -61.0 Dark Up 50.6 131.1 Up 08:06:24 - 08:36:24 1317
Toppenish/White Swan 08:21:24 -61.2 Dark Up 50.8 131.2 Up 08:06:24 - 08:36:24 1296
Goldendale 08:21:24 -61.8 Dark Up 51.0 130.1 Up 08:06:24 - 08:36:24 1275
Pasco 08:21:24 -61.0 Dark Up 51.6 132.7 Up 08:06:24 - 08:36:24 1242
George/Umatilla 08:21:24 -61.4 Dark Up 51.7 132.1 Up 08:06:24 - 08:36:24 1226
PNWRO 08:21:24 -61.2 Dark Up 51.8 132.8 Up 08:06:24 - 08:36:24 1216
The Dalles 08:21:47 -62.1 Dark Up 51.0 129.5 Up 08:06:47 - 08:36:47 1204
Maupin 08:21:47 -62.5 Dark Up 51.3 129.3 Up 08:06:47 - 08:36:47 1166
Madras/Culver 08:21:49 -63.0 Dark Up 51.6 128.7 Up 08:06:49 - 08:36:49 1119
Sisters 08:21:52 -63.4 Dark Up 51.6 127.8 Up 08:06:52 - 08:36:52 1100
Redmond 08:21:50 -63.3 Dark Up 51.8 128.3 Up 08:06:50 - 08:36:50 1089
Bend 08:21:52 -63.6 Dark Up 51.9 127.9 Up 08:06:52 - 08:36:52 1073
Oregon Observatory 08:21:52 -63.8 Dark Up 51.9 127.6 Up 08:06:52 - 08:36:52 1061
La Pine/Gilchrist 08:21:53 -64.0 Dark Up 52.0 127.3 Up 08:06:53 - 08:36:53 1044
North Lake 08:21:53 -64.3 Dark Up 52.6 127.6 Up 08:06:53 - 08:36:53 993
Chiloquin 08:21:57 -65.1 Dark Up 52.4 125.7 Up 08:06:57 - 08:36:57 954
Paisley 08:21:52 -64.7 Dark Up 53.1 127.5 Up 08:06:52 - 08:36:52 936
Klamath Falls 08:21:58 -65.4 Dark Up 52.7 125.5 Up 08:06:58 - 08:36:58 922
Tulelake 08:21:58 -65.6 Dark Up 53.0 125.5 Up 08:06:58 - 08:36:58 891
Lakeview 08:21:53 -65.1 Dark Up 53.6 127.2 Up 08:06:53 - 08:36:53 886
Cedarville 08:21:54 -65.7 Dark Up 54.1 126.7 Up 08:06:54 - 08:36:54 823
Fall River/Burney 08:22:00 -66.4 Dark Up 53.6 124.7 Up 08:07:00 - 08:37:00 807
Susanville 08:21:59 -66.8 Dark Up 54.4 124.9 Up 08:06:59 - 08:36:59 733
Greenville 08:22:01 -67.2 Dark Up 54.4 124.2 Up 08:07:01 - 08:37:01 714
Gimple 08:22:01 -67.2 Dark Up 54.5 124.3 Up 08:07:01 - 08:37:01 712
Quincy 08:22:01 -67.4 Dark Up 54.5 124.0 Up 08:07:01 - 08:37:01 696
Portola 08:22:00 -67.4 Dark Up 54.9 124.4 Up 08:07:00 - 08:37:00 673
Reno 08:21:58 -67.4 Dark Up 55.5 124.9 Up 08:06:58 - 08:36:58 633
Carson City 08:21:59 -67.7 Dark Up 55.7 124.5 Up 08:06:59 - 08:36:59 599
Gardnerville 08:22:00 -67.9 Dark Up 55.8 124.3 Up 08:07:00 - 08:37:00 575
Yerington 08:21:57 -67.7 Dark Up 56.2 125.1 Up 08:06:57 - 08:36:57 566
Hawthorne 08:21:56 -67.9 Dark Up 56.8 125.2 Up 08:06:56 - 08:36:56 510
Lee Vining 08:22:00 -68.6 Dark Up 56.8 123.9 Up 08:07:00 - 08:37:00 469
Tonopah 08:21:52 -67.8 Dark Up 58.0 126.5 Up 08:06:52 - 08:36:52 433
Bishop 08:21:58 -68.8 Dark Up 57.6 124.0 Up 08:06:58 - 08:36:58 395
Patrick 08:21:24 -68.3 Dark Up 61.6 127.4 Up 08:06:24 - 08:36:24 394
Niwot 08:20:58 -60.1 Dark Up 62.7 148.3 Up 08:05:58 - 08:35:58 374
SwRI 08:20:59 -60.3 Dark Up 62.8 148.0 Up 08:05:59 - 08:35:59 366
Lone Pine 08:21:59 -69.4 Dark Up 58.3 123.5 Up 08:06:59 - 08:36:59 315
Beatty 08:21:53 -68.5 Dark Up 58.9 125.6 Up 08:06:53 - 08:36:53 313
Indian Springs 08:21:49 -68.3 Dark Up 59.8 126.6 Up 08:06:49 - 08:36:49 256
CPSLO 08:22:12 -71.5 Dark Up 57.2 118.5 Up 08:07:12 - 08:37:12 254
Henderson 08:21:48 -68.4 Dark Up 60.6 126.9 Up 08:06:48 - 08:36:48 188
Searchlight/Boulder City 08:21:49 -68.8 Dark Up 61.0 126.1 Up 08:06:49 - 08:36:49 131
Laughlin/Bullhead City 08:21:48 -68.8 Dark Up 61.4 126.2 Up 08:06:48 - 08:36:48 94
Wildwood 08:22:07 -71.7 Dark Up 59.2 119.3 Up 08:07:07 - 08:37:07 86
Kingman/Dolan Springs 08:21:46 -68.5 Dark Up 61.7 127.0 Up 08:06:46 - 08:36:46 84
Mohave Valley 08:21:48 -69.0 Dark Up 61.5 125.8 Up 08:06:48 - 08:36:48 67
Lake Havasu City 08:21:48 -69.2 Dark Up 61.9 125.5 Up 08:06:48 - 08:36:48 22
Idyllwild 08:22:00 -71.0 Dark Up 60.7 121.1 Up 08:07:00 - 08:37:00 4
Parker 08:21:49 -69.4 Dark Up 62.2 125.1 Up 08:06:49 - 08:36:49 -13
Blythe 08:21:51 -70.0 Dark Up 62.2 123.8 Up 08:06:51 - 08:36:51 -58
Calipatria 08:21:56 -70.8 Dark Up 61.9 121.7 Up 08:06:56 - 08:36:56 -85
Yuma 08:21:53 -70.6 Dark Up 62.7 122.3 Up 08:06:53 - 08:36:53 -149
DCO 08:21:24 -68.1 Dark Up 62.3 128.1 Up 08:06:24 - 08:36:24 -340

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 04VY130, (2022/11/15 08:20UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  8.51  46
Alhena         06:37:42.8 +16:23:57  1.9 10.02  33
137 Tau        05:52:22.2 +14:10:18  5.5  1.95  44
PPM 121625     05:56:40.6 +15:58:15  8.4  0.17  42
04VY130        05:56:01.3 +15:54:51 11.5        42
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:22:02 UT

Marc W. Buie, Southwest Research Institute

RECON