RECON: TNO occultation with 04VM131

Event between 04VM131 and star GA1020:01565844 with event index number of 1985599

Geocentric closest approach at 2022/11/28 03:47:19 UTC

J2000 position of star is 06:14:39.7 +12:46:33
Equinox of date position of star is 06:15:56.6 +12:46:03
Stellar brightness G=14.2, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 146 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=23.9

[RECON map]
TNO is 35.1 AU from the Sun and 34.2 AU from the Earth.
The TNO is moving 22.1 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 705 seconds.
The 1-sigma cross-track error in the shadow position is 3212 km.
The sky-plane scale is 24820.6 km/arcsec.

The TNO has an absolute magnitude Hv=8.4
Diameter=127.6 km assuming a 5% albedo -- 5.8 sec chord
Diameter=52.1 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04VM131, (2022/11/28 03:47UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.8 +07:24:34  0.4  7.20 140
Alhena         06:39:02.1 +16:22:40  1.9  6.65 153
73 Ori         06:17:02.2 +12:32:30  5.4  0.35 147
PPM 122171     06:16:26.8 +13:02:14  8.3  0.30 147
04VM131        06:15:57.1 +12:46:03 14.2       147
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 0.0 km RECON observability=0.0 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)
Kamloops 03:49:54 -35.3 Dark Down 10.2 82.2 Really Low 03:34:54 - 04:04:54 -1854
Kelowna 03:49:57 -36.0 Dark Down 10.6 82.7 Really Low 03:34:57 - 04:04:57 -1916
Peachland 03:49:58 -35.8 Dark Down 10.4 82.5 Really Low 03:34:58 - 04:04:58 -1918
Summerland 03:49:58 -35.9 Dark Up 10.5 82.5 Really Low 03:34:58 - 04:04:58 -1928
Victoria 03:50:02 -33.6 Dark Up 7.9 79.6 Really Low 03:35:02 - 04:05:02 -1934
Penticton 03:49:59 -36.0 Dark Down 10.5 82.6 Really Low 03:34:59 - 04:04:59 -1934
Oliver 03:50:00 -36.0 Dark Up 10.5 82.5 Really Low 03:35:00 - 04:05:00 -1955
Anarchist Mountain Observatory 03:50:01 -36.2 Dark Up 10.6 82.7 Really Low 03:35:01 - 04:05:01 -1968
Tonasket 03:50:02 -36.2 Dark Up 10.5 82.6 Really Low 03:35:02 - 04:05:02 -1987
Sleaford 03:49:43 -43.5 Dark Down 19.2 93.7 Really Low 03:34:43 - 04:04:43 -2004
Okanogan 03:50:03 -36.2 Dark Up 10.4 82.4 Really Low 03:35:03 - 04:05:03 -2005
Brewster 03:50:05 -36.1 Dark Up 10.2 82.2 Really Low 03:35:05 - 04:05:05 -2018
Manson/Chelan 03:50:05 -35.8 Dark Up 9.9 81.9 Really Low 03:35:05 - 04:05:05 -2025
Wenatchee 03:50:07 -35.8 Dark Up 9.8 81.7 Really Low 03:35:07 - 04:05:07 -2052
Ellensburg 03:50:09 -35.7 Dark Up 9.6 81.5 Really Low 03:35:09 - 04:05:09 -2075
Yakima 03:50:10 -35.7 Dark Up 9.5 81.4 Really Low 03:35:10 - 04:05:10 -2100
Toppenish/White Swan 03:50:11 -35.9 Dark Up 9.6 81.5 Really Low 03:35:11 - 04:05:11 -2117
Goldendale 03:50:14 -35.7 Dark Up 9.2 81.1 Really Low 03:35:14 - 04:05:14 -2146
The Dalles 03:50:15 -35.4 Dark Up 8.9 80.8 Really Low 03:35:15 - 04:05:15 -2155
PNWRO 03:50:13 -37.0 Dark Up 10.6 82.5 Really Low 03:35:13 - 04:05:13 -2167
Maupin 03:50:17 -35.5 Dark Up 8.9 80.8 Really Low 03:35:17 - 04:05:17 -2184
Sisters 03:50:20 -35.3 Dark Up 8.4 80.4 Really Low 03:35:20 - 04:05:20 -2233
Bend 03:50:20 -35.5 Dark Up 8.6 80.5 Really Low 03:35:20 - 04:05:20 -2254
Oregon Observatory 03:50:21 -35.4 Dark Up 8.5 80.4 Really Low 03:35:21 - 04:05:21 -2263
North Lake 03:50:24 -35.8 Dark Up 8.8 80.7 Really Low 03:35:24 - 04:05:24 -2317
Chiloquin 03:50:26 -35.2 Dark Up 8.0 79.9 Really Low 03:35:26 - 04:05:26 -2347
Klamath Falls 03:50:28 -35.3 Dark Up 8.0 79.9 Really Low 03:35:28 - 04:05:28 -2372
Lakeview 03:50:29 -36.3 Dark Up 9.0 80.9 Really Low 03:35:29 - 04:05:29 -2401
Cedarville 03:50:30 -36.5 Dark Up 9.0 80.9 Really Low 03:35:30 - 04:05:30 -2451
Fall River/Burney 03:50:32 -35.6 Dark Up 8.1 80.0 Really Low 03:35:32 - 04:05:32 -2463
Susanville 03:50:34 -36.2 Dark Up 8.5 80.4 Really Low 03:35:34 - 04:05:34 -2523
Greenville 03:50:35 -36.0 Dark Up 8.2 80.2 Really Low 03:35:35 - 04:05:35 -2537
Gimple 03:50:35 -36.0 Dark Up 8.3 80.3 Really Low 03:35:35 - 04:05:35 -2539
Quincy 03:50:36 -36.0 Dark Up 8.2 80.2 Really Low 03:35:36 - 04:05:36 -2553
Portola 03:50:37 -36.4 Dark Up 8.6 80.5 Really Low 03:35:37 - 04:05:37 -2570
Reno 03:50:38 -36.9 Dark Up 9.0 80.8 Really Low 03:35:38 - 04:05:38 -2603
Carson City 03:50:39 -36.9 Dark Up 9.0 80.8 Really Low 03:35:39 - 04:05:39 -2630
Gardnerville 03:50:40 -36.9 Dark Up 9.0 80.8 Really Low 03:35:40 - 04:05:40 -2649
Yerington 03:50:40 -37.4 Dark Up 9.4 81.1 Really Low 03:35:40 - 04:05:40 -2657
Hawthorne 03:50:41 -37.8 Dark Up 9.8 81.4 Really Low 03:35:41 - 04:05:41 -2702
Lee Vining 03:50:43 -37.5 Dark Up 9.3 81.0 Really Low 03:35:43 - 04:05:43 -2736
Tonopah 03:50:43 -39.0 Dark Up 10.8 82.2 Really Low 03:35:43 - 04:05:43 -2766
Bishop 03:50:45 -38.1 Dark Up 9.8 81.3 Really Low 03:35:45 - 04:05:45 -2797
Dunrhomin 03:50:29 -47.9 Dark Down 20.2 90.2 Low 03:35:29 - 04:05:29 -2841
CU-SBO 03:50:30 -47.9 Dark Down 20.2 90.0 Low 03:35:30 - 04:05:30 -2859
Beatty 03:50:47 -39.4 Dark Up 11.0 82.2 Really Low 03:35:47 - 04:05:47 -2866
Indian Springs 03:50:48 -40.3 Dark Up 11.9 82.8 Really Low 03:35:48 - 04:05:48 -2914
Henderson 03:50:49 -40.8 Dark Up 12.3 83.1 Really Low 03:35:49 - 04:05:49 -2971
Patrick 03:50:51 -41.8 Dark Up 13.2 83.6 Really Low 03:35:51 - 04:05:51 -3045
Laughlin/Bullhead City 03:50:52 -41.2 Dark Up 12.6 83.1 Really Low 03:35:52 - 04:05:52 -3051
Wildwood 03:50:56 -37.9 Dark Up 9.2 80.7 Really Low 03:35:56 - 04:05:56 -3054
Kingman/Dolan Springs 03:50:51 -41.6 Dark Up 13.0 83.4 Really Low 03:35:51 - 04:05:51 -3060
Mohave Valley 03:50:53 -41.2 Dark Up 12.6 83.1 Really Low 03:35:53 - 04:05:53 -3073
Lake Havasu City 03:50:54 -41.4 Dark Up 12.7 83.1 Really Low 03:35:54 - 04:05:54 -3112
Idyllwild 03:50:57 -39.5 Dark Up 10.7 81.7 Really Low 03:35:57 - 04:05:57 -3123
Parker 03:50:55 -41.5 Dark Up 12.7 83.0 Really Low 03:35:55 - 04:05:55 -3141
Calipatria 03:50:59 -40.5 Dark Up 11.6 82.2 Really Low 03:35:59 - 04:05:59 -3200
George/Scottsdale 03:50:56 -43.5 Dark Up 14.7 84.3 Really Low 03:35:56 - 04:05:56 -3229
Yuma 03:51:00 -41.2 Dark Up 12.3 82.6 Really Low 03:36:00 - 04:06:00 -3256

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 04VM131, (2022/11/28 03:47UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  7.20 140
Alhena         06:37:42.8 +16:23:57  1.9  6.65 153
73 Ori         06:15:44.9 +12:33:03  5.4  0.35 147
PPM 122171     06:15:09.3 +13:02:46  8.3  0.30 147
04VM131        06:14:39.7 +12:46:33 14.2       146
Positions are for J2000

Event circumstances last updated at 2022/10/01 04:16:48 UT

Marc W. Buie, Southwest Research Institute

RECON