RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA1420:01442647 with event index number of 2643515

Geocentric closest approach at 2028/11/24 07:43:24 UTC

J2000 position of star is 02:11:39.9 +53:30:39
Equinox of date position of star is 02:13:09.9 +53:36:50
Stellar brightness G=14.3, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 76 degrees from the moon. Moon is 53% illuminated.
TNO apparent brightness V=20.4

[RECON map]
TNO is 12.3 AU from the Sun and 11.5 AU from the Earth.
The TNO is moving 19.7 km/sec on the sky relative to the star, or, 8.5 arcsec/hr.
The 1-sigma error in the time of the event is 255 seconds.
The 1-sigma cross-track error in the shadow position is 4504 km.
The sky-plane scale is 8333.9 km/arcsec.

The TNO has an absolute magnitude Hv=9.4
Diameter=80.5 km assuming a 5% albedo -- 4.1 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2028/11/24 07:43UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:25.1 +45:23:05  1.3 51.28  56
37Del Cas      01:27:43.7 +60:23:04  2.7  9.16  75
4 Per          02:04:14.9 +54:37:33  5.0  1.69  75
PPM 027210     02:12:35.7 +53:20:59  8.0  0.33  75
PPM 027235     02:14:02.7 +53:46:41  8.9  0.15  76
567122         02:13:37.4 +53:38:43 14.3        76
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 3.5 sigma about the mid-time.
The median site spacing is 31.7 km RECON observability=1.0 and success probability=12.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:41:20 -57.1 Dark Down 65.9 289.5 Up 07:26:20 - 07:56:20 497
Kamloops 07:42:08 -60.0 Dark Up 73.8 290.2 Up 07:27:08 - 07:57:08 395
Kelowna 07:42:06 -60.8 Dark Down 73.0 292.8 Up 07:27:06 - 07:57:06 297
Peachland 07:42:07 -60.9 Dark Up 73.1 293.1 Up 07:27:07 - 07:57:07 288
Summerland 07:42:07 -61.1 Dark Down 73.0 293.6 Up 07:27:07 - 07:57:07 271
Penticton 07:42:06 -61.1 Dark Down 72.9 293.7 Up 07:27:06 - 07:57:06 262
Oliver 07:42:07 -61.5 Dark Down 72.8 294.8 Up 07:27:07 - 07:57:07 224
Anarchist Mountain Observatory 07:42:06 -61.7 Dark Down 72.6 295.3 Up 07:27:06 - 07:57:06 203
Victoria 07:42:21 -61.9 Dark Up 74.7 297.8 Up 07:27:21 - 07:57:21 201
Tonasket 07:42:07 -62.0 Dark Down 72.5 296.2 Up 07:27:07 - 07:57:07 171
Okanogan 07:42:08 -62.3 Dark Up 72.5 297.1 Up 07:27:08 - 07:57:08 136
Brewster 07:42:09 -62.6 Dark Up 72.4 297.9 Up 07:27:09 - 07:57:09 109
Manson/Chelan 07:42:10 -62.8 Dark Up 72.6 298.6 Up 07:27:10 - 07:57:10 90
Wenatchee 07:42:11 -63.2 Dark Up 72.4 300.0 Up 07:27:11 - 07:57:11 41
Ellensburg 07:42:13 -63.6 Dark Up 72.3 301.2 Up 07:27:13 - 07:57:13 -1
Yakima 07:42:13 -64.0 Dark Up 72.1 302.3 Up 07:27:13 - 07:57:13 -44
Toppenish/White Swan 07:42:13 -64.3 Dark Up 71.9 302.8 Up 07:27:13 - 07:57:13 -70
Goldendale 07:42:15 -64.8 Dark Up 71.9 304.4 Up 07:27:15 - 07:57:15 -123
PNWRO 07:42:08 -64.7 Dark Down 70.9 303.1 Up 07:27:08 - 07:57:08 -126
The Dalles 07:42:17 -65.0 Dark Up 71.9 305.1 Up 07:27:17 - 07:57:17 -143
Maupin 07:42:17 -65.4 Dark Up 71.6 306.1 Up 07:27:17 - 07:57:17 -189
Sisters 07:42:20 -66.3 Dark Up 71.4 308.5 Up 07:27:20 - 07:57:20 -276
Bend 07:42:19 -66.5 Dark Up 71.1 308.8 Up 07:27:19 - 07:57:19 -305
Oregon Observatory 07:42:20 -66.7 Dark Up 71.0 309.3 Up 07:27:20 - 07:57:20 -321
North Lake 07:42:18 -67.4 Dark Up 70.3 310.4 Up 07:27:18 - 07:57:18 -396
Chiloquin 07:42:23 -68.0 Dark Up 70.4 312.4 Up 07:27:23 - 07:57:23 -454
Klamath Falls 07:42:23 -68.3 Dark Up 70.1 313.1 Up 07:27:23 - 07:57:23 -492
Lakeview 07:42:17 -68.4 Dark Up 69.3 312.2 Up 07:27:17 - 07:57:17 -515
Cedarville 07:42:17 -69.1 Dark Up 68.8 313.3 Up 07:27:17 - 07:57:17 -586
Fall River/Burney 07:42:23 -69.5 Dark Up 69.1 315.1 Up 07:27:23 - 07:57:23 -620
Susanville 07:42:21 -70.2 Dark Up 68.3 315.7 Up 07:27:21 - 07:57:21 -696
Greenville 07:42:22 -70.5 Dark Up 68.2 316.4 Up 07:27:22 - 07:57:22 -721
Gimple 07:42:22 -70.5 Dark Up 68.2 316.3 Up 07:27:22 - 07:57:22 -722
Quincy 07:42:23 -70.7 Dark Up 68.1 316.7 Up 07:27:23 - 07:57:23 -742
Portola 07:42:21 -70.8 Dark Up 67.7 316.6 Up 07:27:21 - 07:57:21 -762
Dunrhomin 07:41:19 -67.3 Dark Down 59.5 309.7 Up 07:26:19 - 07:56:19 -776
Reno 07:42:19 -71.1 Dark Up 67.2 316.6 Up 07:27:19 - 07:57:19 -798
CU-SBO 07:41:20 -67.5 Dark Down 59.4 310.0 Up 07:26:20 - 07:56:20 -803
Carson City 07:42:19 -71.5 Dark Up 66.9 317.1 Up 07:27:19 - 07:57:19 -835
Gardnerville 07:42:19 -71.7 Dark Up 66.7 317.5 Up 07:27:19 - 07:57:19 -861
Yerington 07:42:17 -71.7 Dark Up 66.4 317.0 Up 07:27:17 - 07:57:17 -863
Hawthorne 07:42:15 -72.1 Dark Up 65.8 317.4 Up 07:27:15 - 07:57:15 -917
Lee Vining 07:42:18 -72.7 Dark Up 65.7 318.5 Up 07:27:18 - 07:57:18 -970
Tonopah 07:42:10 -72.6 Dark Down 64.7 317.2 Up 07:27:10 - 07:57:10 -981
Bishop 07:42:15 -73.3 Dark Up 64.8 318.9 Up 07:27:15 - 07:57:15 -1040
Beatty 07:42:09 -73.7 Dark Down 63.6 318.5 Up 07:27:09 - 07:57:09 -1103
Indian Springs 07:42:05 -73.9 Dark Down 62.8 318.3 Up 07:27:05 - 07:57:05 -1146
Henderson 07:42:02 -74.3 Dark Down 62.1 318.6 Up 07:27:02 - 07:57:02 -1206
Patrick 07:41:58 -74.6 Dark Down 61.0 318.8 Up 07:26:58 - 07:56:58 -1277
Laughlin/Bullhead City 07:42:02 -75.0 Dark Down 61.2 319.4 Up 07:27:02 - 07:57:02 -1297
Kingman/Dolan Springs 07:41:59 -74.9 Dark Down 60.9 319.1 Up 07:26:59 - 07:56:59 -1298
Mohave Valley 07:42:02 -75.3 Dark Down 61.0 319.8 Up 07:27:02 - 07:57:02 -1324
Lake Havasu City 07:42:01 -75.6 Dark Down 60.5 320.1 Up 07:27:01 - 07:57:01 -1366
Wildwood 07:42:20 -76.6 Dark Up 62.4 323.2 Up 07:27:20 - 07:57:20 -1368
Parker 07:42:01 -75.9 Dark Down 60.2 320.5 Up 07:27:01 - 07:57:01 -1402
Idyllwild 07:42:12 -76.8 Dark Down 61.2 322.3 Up 07:27:12 - 07:57:12 -1424
George/Scottsdale 07:41:51 -75.6 Dark Down 58.6 319.7 Up 07:26:51 - 07:56:51 -1456
Calipatria 07:42:08 -77.2 Dark Down 60.1 322.3 Up 07:27:08 - 07:57:08 -1494
Yuma 07:42:04 -77.4 Dark Down 59.3 322.2 Up 07:27:04 - 07:57:04 -1544

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 567122, (2028/11/24 07:43UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 51.28  56
37Del Cas      01:25:49.8 +60:14:06  2.7  9.16  75
4 Per          02:02:18.2 +54:29:15  5.0  1.69  75
PPM 027210     02:10:38.7 +53:12:53  8.0  0.33  75
PPM 027235     02:12:04.9 +53:38:36  8.9  0.15  76
567122         02:11:39.9 +53:30:39 14.3        76
Positions are for J2000

Event circumstances last updated at 2022/02/21 00:46:26 UT

Marc W. Buie, Southwest Research Institute

RECON