RECON: TNO occultation with 10VR11

Event between 10VR11 and star GA1100:01141332 with event index number of 2107805

Geocentric closest approach at 2023/01/06 07:27:38 UTC

J2000 position of star is 05:29:45.8 +21:19:44
Equinox of date position of star is 05:31:08.3 +21:20:43
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 17 degrees from the moon. Moon is 99% illuminated.
Apparent brightness V=21.2

[RECON map]
Object is 36.5 AU from the Sun and 35.6 AU from the Earth.
Apparent velocity is 23.7 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 119 seconds.
The 1-sigma cross-track error in the shadow position is 2216 km.
The sky-plane scale is 25790.3 km/arcsec.

The object has an absolute magnitude Hv=5.6
Diameter=461.3 km assuming a 5% albedo -- 19.4 sec chord
Diameter=188.3 km assuming a 30% albedo -- 7.9 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 10VR11, (2023/01/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.6 +16:33:14  0.8 13.61  30
Alnath         05:27:44.9 +28:37:29  1.6  7.32  16
114 Tau        05:29:01.1 +21:57:17  4.7  0.78  17
PPM 094420     05:31:37.2 +20:34:03  7.1  0.79  17
PPM 094419     05:31:30.5 +21:23:47  9.1  0.10  17
10VR11         05:31:08.5 +21:20:43 15.9        16
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 5.0 sigma about the mid-time.
The median site spacing is 33.6 km RECON observability=1.0 and success probability=7.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:26:31 -60.2 Dark Up 52.0 227.0 Up 07:16:05 - 07:36:58 -4039
Kamloops 07:27:08 -60.8 Dark Up 58.5 206.7 Up 07:16:41 - 07:37:34 -4372
Kelowna 07:27:04 -61.7 Dark Up 59.0 208.8 Up 07:16:38 - 07:37:31 -4438
Peachland 07:27:05 -61.8 Dark Up 59.1 208.4 Up 07:16:38 - 07:37:31 -4452
Summerland 07:27:05 -61.9 Dark Up 59.2 208.7 Up 07:16:38 - 07:37:31 -4465
Penticton 07:27:04 -62.0 Dark Up 59.3 208.9 Up 07:16:37 - 07:37:30 -4470
Oliver 07:27:03 -62.4 Dark Up 59.6 209.2 Up 07:16:37 - 07:37:30 -4504
Anarchist Mountain Observatory 07:27:03 -62.6 Dark Up 59.7 209.7 Up 07:16:36 - 07:37:29 -4517
Okanogan 07:27:03 -63.1 Dark Up 60.3 209.9 Up 07:16:36 - 07:37:29 -4582
Brewster 07:27:03 -63.3 Dark Up 60.6 209.7 Up 07:16:36 - 07:37:29 -4611
Victoria 07:27:14 -62.0 Dark Up 61.3 202.9 Up 07:16:48 - 07:37:41 -4612
Manson/Chelan 07:27:03 -63.4 Dark Up 60.9 209.3 Up 07:16:37 - 07:37:30 -4636
Wenatchee 07:27:04 -63.9 Dark Up 61.4 209.4 Up 07:16:37 - 07:37:30 -4684
Ellensburg 07:27:03 -64.2 Dark Up 61.8 209.4 Up 07:16:37 - 07:37:30 -4727
Yakima 07:27:04 -64.6 Dark Up 62.2 209.7 Up 07:16:37 - 07:37:30 -4767
Toppenish/White Swan 07:27:03 -64.8 Dark Up 62.3 210.2 Up 07:16:37 - 07:37:30 -4786
PNWRO 07:26:58 -65.5 Dark Up 62.1 213.3 Up 07:16:31 - 07:37:24 -4802
The Dalles 07:27:04 -65.3 Dark Up 63.2 209.5 Up 07:16:37 - 07:37:30 -4872
Maupin 07:27:04 -65.7 Dark Up 63.6 210.1 Up 07:16:37 - 07:37:30 -4912
Sisters 07:27:04 -66.3 Dark Up 64.5 210.0 Up 07:16:38 - 07:37:31 -5006
Bend 07:27:03 -66.6 Dark Up 64.6 210.8 Up 07:16:36 - 07:37:29 -5026
Oregon Observatory 07:27:03 -66.8 Dark Up 64.8 210.7 Up 07:16:37 - 07:37:30 -5045
Dunrhomin 07:26:07 -71.8 Dark Up 58.6 241.8 Up 07:15:41 - 07:36:34 -5135
Nikitin 07:26:07 -72.0 Dark Up 58.7 242.1 Up 07:15:40 - 07:36:33 -5154
CU-SBO 07:26:07 -72.0 Dark Up 58.8 242.1 Up 07:15:40 - 07:36:33 -5162
Chiloquin 07:27:03 -67.8 Dark Up 66.1 211.4 Up 07:16:37 - 07:37:30 -5183
Klamath Falls 07:27:03 -68.1 Dark Up 66.4 212.0 Up 07:16:37 - 07:37:30 -5217
Cedarville 07:26:57 -69.3 Dark Up 66.3 216.1 Up 07:16:31 - 07:37:24 -5266
Fall River/Burney 07:27:00 -69.3 Dark Up 67.2 214.2 Up 07:16:34 - 07:37:27 -5332
Gimple 07:26:58 -70.3 Dark Up 67.7 216.6 Up 07:16:32 - 07:37:25 -5418
Greenville 07:26:58 -70.2 Dark Up 67.7 216.4 Up 07:16:31 - 07:37:24 -5419
Quincy 07:26:57 -70.4 Dark Up 67.9 216.7 Up 07:16:31 - 07:37:24 -5440
Portola 07:26:56 -70.7 Dark Up 67.8 217.9 Up 07:16:29 - 07:37:22 -5446
Reno 07:26:53 -71.2 Dark Up 67.7 219.7 Up 07:16:27 - 07:37:20 -5464
Carson City 07:26:53 -71.5 Dark Up 68.0 220.3 Up 07:16:26 - 07:37:19 -5501
Yerington 07:26:51 -71.9 Dark Up 67.8 221.9 Up 07:16:25 - 07:37:18 -5512
Gardnerville 07:26:52 -71.7 Dark Up 68.1 220.8 Up 07:16:26 - 07:37:19 -5526
Hawthorne 07:26:48 -72.5 Dark Up 67.8 223.7 Up 07:16:21 - 07:37:14 -5552
Lee Vining 07:26:50 -72.8 Dark Up 68.5 223.7 Up 07:16:23 - 07:37:16 -5618
Bishop 07:26:46 -73.6 Dark Up 68.5 226.3 Up 07:16:20 - 07:37:13 -5669
Beatty 07:26:40 -74.6 Dark Up 67.9 230.2 Up 07:16:14 - 07:37:07 -5691
Patrick 07:26:28 -76.7 Dark Up 66.9 238.0 Up 07:16:02 - 07:36:55 -5796
Laughlin/Bullhead City 07:26:30 -76.8 Dark Up 67.5 237.4 Up 07:16:04 - 07:36:57 -5835
Lake Havasu City 07:26:28 -77.5 Dark Up 67.7 239.2 Up 07:16:02 - 07:36:55 -5901
George/Scottsdale 07:26:19 -78.7 Dark Up 66.3 244.4 Up 07:15:52 - 07:36:45 -5936
Wildwood 07:26:43 -76.3 Dark Up 70.8 232.5 Up 07:16:17 - 07:37:10 -6015
Idyllwild 07:26:36 -77.4 Dark Up 69.8 236.9 Up 07:16:09 - 07:37:02 -6022
Calipatria 07:26:32 -78.4 Dark Up 69.2 240.3 Up 07:16:05 - 07:36:58 -6066
Yuma 07:26:28 -79.1 Dark Up 68.8 242.6 Up 07:16:01 - 07:36:54 -6096

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 10VR11, (2023/01/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 13.61  30
Alnath         05:26:17.6 +28:36:23  1.6  7.32  16
114 Tau        05:27:38.1 +21:56:13  4.7  0.78  17
PPM 094420     05:30:15.0 +20:33:05  7.1  0.79  17
PPM 094419     05:30:07.8 +21:22:48  9.1  0.10  17
10VR11         05:29:45.8 +21:19:44 15.9        17
Positions are for J2000

Event circumstances last updated at 2022/12/24 03:39:09 UT

Marc W. Buie, Southwest Research Institute

RECON