RECON: TNO occultation with 13MB12

Event between 13MB12 and star GA0880:00125433 with event index number of 2517421

Geocentric closest approach at 2028/12/01 03:49:30 UTC

J2000 position of star is 01:30:36.4 -01:20:08
Equinox of date position of star is 01:31:44.3 -01:13:19
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 41 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=24.0

[RECON map]
TNO is 23.2 AU from the Sun and 22.5 AU from the Earth.
The TNO is moving 14.3 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 623 seconds.
The 1-sigma cross-track error in the shadow position is 2034 km.
The sky-plane scale is 16337.2 km/arcsec.

The TNO has an absolute magnitude Hv=10.2
Diameter=54.0 km assuming a 5% albedo -- 3.8 sec chord
Diameter=22.0 km assuming a 30% albedo -- 1.5 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 13MB12, (2028/12/01 03:49UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:14.4 -29:28:05  1.2 46.04  87
68Omi Cet      02:20:48.6 -02:50:51  2.0 12.29  33
PPM 183408     01:26:16.9 -02:41:56  6.1  2.09  43
PPM 183605     01:36:14.9 -01:53:13  7.6  1.25  40
PPM 174919     01:32:29.1 -00:47:27  9.9  0.41  40
PPM 174921     01:33:00.9 -01:26:23 11.4  0.34  41
13MB12         01:32:05.0 -01:11:14 14.1        40
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 1.4 sigma about the mid-time.
The median site spacing is 20.9 km RECON observability=1.0 and success probability=19.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:49:44 -35.5 Dark Up 36.4 161.2 Up 03:34:44 - 04:04:44 1415
Kelowna 03:49:41 -36.2 Dark Up 37.4 162.1 Up 03:34:41 - 04:04:41 1352
Peachland 03:49:43 -36.0 Dark Up 37.4 161.7 Up 03:34:43 - 04:04:43 1349
Sleaford 03:48:34 -43.6 Dark Up 36.6 178.9 Up 03:33:34 - 04:03:34 1341
Summerland 03:49:43 -36.1 Dark Up 37.6 161.8 Up 03:34:43 - 04:04:43 1338
Penticton 03:49:43 -36.2 Dark Up 37.7 161.9 Up 03:34:43 - 04:04:43 1332
Victoria 03:50:03 -33.8 Dark Up 37.8 157.0 Up 03:35:03 - 04:05:03 1309
Oliver 03:49:43 -36.2 Dark Up 38.0 161.8 Up 03:34:43 - 04:04:43 1309
Anarchist Mountain Observatory 03:49:43 -36.4 Dark Up 38.2 162.0 Up 03:34:43 - 04:04:43 1295
Tonasket 03:49:44 -36.4 Dark Up 38.5 161.8 Up 03:34:44 - 04:04:44 1275
Okanogan 03:49:45 -36.3 Dark Up 38.8 161.6 Up 03:34:45 - 04:04:45 1254
Brewster 03:49:47 -36.2 Dark Up 39.0 161.3 Up 03:34:47 - 04:04:47 1238
Manson/Chelan 03:49:49 -36.0 Dark Up 39.1 160.8 Up 03:34:49 - 04:04:49 1228
Wenatchee 03:49:51 -35.9 Dark Up 39.5 160.4 Up 03:34:51 - 04:04:51 1198
Ellensburg 03:49:53 -35.8 Dark Up 39.9 160.0 Up 03:34:53 - 04:04:53 1172
Yakima 03:49:54 -35.9 Dark Up 40.2 159.9 Up 03:34:54 - 04:04:54 1144
Toppenish/White Swan 03:49:54 -36.0 Dark Up 40.5 160.1 Up 03:34:54 - 04:04:54 1126
Goldendale 03:49:57 -35.8 Dark Up 40.9 159.4 Up 03:34:57 - 04:04:57 1093
PNWRO 03:49:47 -37.1 Dark Up 41.2 161.8 Up 03:34:47 - 04:04:47 1082
The Dalles 03:50:00 -35.5 Dark Up 41.0 158.8 Up 03:35:00 - 04:05:00 1081
Maupin 03:50:00 -35.6 Dark Up 41.4 158.8 Up 03:35:00 - 04:05:00 1050
Sisters 03:50:05 -35.4 Dark Up 42.1 157.9 Up 03:35:05 - 04:05:05 992
Bend 03:50:04 -35.6 Dark Up 42.4 158.2 Up 03:35:04 - 04:05:04 972
Oregon Observatory 03:50:05 -35.5 Dark Up 42.6 158.0 Up 03:35:05 - 04:05:05 961
North Lake 03:50:04 -35.9 Dark Up 43.3 158.5 Up 03:35:04 - 04:05:04 906
Chiloquin 03:50:10 -35.2 Dark Up 43.7 157.0 Up 03:35:10 - 04:05:10 868
Klamath Falls 03:50:11 -35.3 Dark Up 44.0 157.0 Up 03:35:11 - 04:05:11 841
Lakeview 03:50:03 -36.4 Dark Up 44.4 158.8 Up 03:35:03 - 04:05:03 819
Cedarville 03:50:04 -36.5 Dark Up 45.1 158.8 Up 03:35:04 - 04:05:04 767
Fall River/Burney 03:50:11 -35.6 Dark Up 45.2 157.0 Up 03:35:11 - 04:05:11 745
Susanville 03:50:09 -36.2 Dark Up 46.0 157.8 Up 03:35:09 - 04:05:09 686
Greenville 03:50:11 -36.0 Dark Up 46.2 157.3 Up 03:35:11 - 04:05:11 668
Gimple 03:50:11 -36.0 Dark Up 46.2 157.4 Up 03:35:11 - 04:05:11 667
Quincy 03:50:12 -36.0 Dark Up 46.4 157.2 Up 03:35:12 - 04:05:12 652
Portola 03:50:09 -36.3 Dark Up 46.6 157.8 Up 03:35:09 - 04:05:09 636
Reno 03:50:06 -36.8 Dark Up 47.0 158.6 Up 03:35:06 - 04:05:06 606
Carson City 03:50:07 -36.9 Dark Up 47.4 158.5 Up 03:35:07 - 04:05:07 577
Gardnerville 03:50:07 -36.9 Dark Up 47.6 158.4 Up 03:35:07 - 04:05:07 556
Yerington 03:50:04 -37.4 Dark Up 47.7 159.3 Up 03:35:04 - 04:05:04 552
Hawthorne 03:50:02 -37.8 Dark Up 48.3 159.9 Up 03:35:02 - 04:05:02 507
Lee Vining 03:50:06 -37.4 Dark Up 48.7 158.9 Up 03:35:06 - 04:05:06 468
Dunrhomin 03:48:42 -47.7 Dark Up 48.4 179.8 Up 03:33:42 - 04:03:42 458
Tonopah 03:49:54 -38.9 Dark Up 49.1 161.7 Up 03:34:54 - 04:04:54 450
CU-SBO 03:48:43 -47.6 Dark Up 48.7 179.7 Up 03:33:43 - 04:03:43 439
Bishop 03:50:03 -38.0 Dark Up 49.5 159.7 Up 03:35:03 - 04:05:03 408
Beatty 03:49:54 -39.2 Dark Up 50.3 162.0 Up 03:34:54 - 04:04:54 346
Indian Springs 03:49:48 -40.1 Dark Up 50.9 163.5 Up 03:34:48 - 04:04:48 303
Henderson 03:49:45 -40.7 Dark Up 51.6 164.3 Up 03:34:45 - 04:04:45 247
Patrick 03:49:40 -41.6 Dark Up 52.4 165.9 Up 03:34:40 - 04:04:40 177
Laughlin/Bullhead City 03:49:44 -41.0 Dark Up 52.5 164.7 Up 03:34:44 - 04:04:44 166
Kingman/Dolan Springs 03:49:41 -41.4 Dark Up 52.6 165.5 Up 03:34:41 - 04:04:41 161
Mohave Valley 03:49:45 -41.0 Dark Up 52.7 164.6 Up 03:34:45 - 04:04:45 143
Wildwood 03:50:11 -37.8 Dark Up 52.5 158.0 Up 03:35:11 - 04:05:11 133
Lake Havasu City 03:49:44 -41.2 Dark Up 53.2 164.9 Up 03:34:44 - 04:04:44 104
Idyllwild 03:50:00 -39.3 Dark Up 53.3 160.8 Up 03:35:00 - 04:05:00 74
Parker 03:49:44 -41.2 Dark Up 53.5 164.8 Up 03:34:44 - 04:04:44 73
Calipatria 03:49:54 -40.2 Dark Up 54.2 162.4 Up 03:34:54 - 04:04:54 2
George/Scottsdale 03:49:30 -43.2 Dark Up 54.4 168.6 Up 03:34:30 - 04:04:30 -1
Yuma 03:49:49 -40.9 Dark Up 54.9 163.7 Up 03:34:49 - 04:04:49 -50

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 13MB12, (2028/12/01 03:49UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 46.04  87
68Omi Cet      02:19:20.8 -02:58:45  2.0 12.29  33
PPM 183408     01:24:48.7 -02:50:56  6.1  2.09  43
PPM 183605     01:34:46.5 -02:02:03  7.6  1.25  40
PPM 174919     01:31:00.4 -00:56:20  9.9  0.41  40
PPM 174921     01:31:32.4 -01:35:16 11.4  0.34  41
13MB12         01:30:36.4 -01:20:08 14.1        41
Positions are for J2000

Event circumstances last updated at 2022/02/21 01:08:14 UT

Marc W. Buie, Southwest Research Institute

RECON