RECON: TNO occultation with 567122

Event between (567122) 20PM3 and star GA1420:01569188 with event index number of 2643493

Geocentric closest approach at 2028/10/28 05:01:17 UTC

J2000 position of star is 02:21:45.7 +53:58:24
Equinox of date position of star is 02:23:24.9 +54:04:54
Stellar brightness G=15.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 75 degrees from the moon. Moon is 77% illuminated.
Apparent brightness V=20.2

[RECON map]
Object is 12.3 AU from the Sun and 11.5 AU from the Earth.
Apparent velocity is 20.0 km/sec on the sky relative to the star, or, 8.6 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is 1768 km.
The sky-plane scale is 8337.4 km/arcsec.

The object has an absolute magnitude Hv=9.2
Diameter=80.5 km assuming a 5% albedo -- 4.3 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 567122, (2028/10/28 05:00UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:24.9 +45:23:04  1.3 52.40  56
37Del Cas      01:27:43.5 +60:23:03  2.7  9.81  73
10 Per         02:27:19.6 +56:44:20  6.0  2.68  77
PPM 027575     02:26:13.7 +54:19:12  8.0  0.42  76
PPM 027533     02:24:41.4 +54:19:13  9.3  0.26  76
PPM 027483     02:23:05.8 +54:20:24 10.9  0.26  75
567122         02:23:45.3 +54:06:13 15.7        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 5.0 sigma about the mid-time.
The median site spacing is 31.6 km RECON observability=1.0 and success probability=31.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 05:03:35 -40.3 Dark Up 64.0 65.9 Up 04:52:48 - 05:14:23 1148
Victoria 05:03:50 -39.8 Dark Up 61.3 61.5 Up 04:53:02 - 05:14:37 1094
Peachland 05:03:37 -41.2 Dark Up 64.0 64.3 Up 04:52:49 - 05:14:24 1041
Kelowna 05:03:36 -41.3 Dark Up 64.2 64.6 Up 04:52:48 - 05:14:23 1038
Summerland 05:03:37 -41.3 Dark Up 64.0 64.1 Up 04:52:49 - 05:14:24 1023
Penticton 05:03:37 -41.4 Dark Up 64.0 63.9 Up 04:52:49 - 05:14:24 1012
Oliver 05:03:38 -41.6 Dark Up 63.9 63.3 Up 04:52:50 - 05:14:25 981
Anarchist Mountain Observatory 05:03:38 -41.8 Dark Up 63.9 63.0 Up 04:52:50 - 05:14:25 957
Okanogan 05:03:40 -42.1 Dark Up 63.5 61.8 Up 04:52:53 - 05:14:28 909
Brewster 05:03:42 -42.1 Dark Up 63.2 61.3 Up 04:52:54 - 05:14:29 893
Manson/Chelan 05:03:43 -42.0 Dark Up 62.9 60.9 Up 04:52:56 - 05:14:31 891
Wenatchee 05:03:45 -42.2 Dark Up 62.6 60.1 Up 04:52:58 - 05:14:33 856
Ellensburg 05:03:47 -42.3 Dark Up 62.2 59.4 Up 04:53:00 - 05:14:35 829
Yakima 05:03:48 -42.5 Dark Up 62.0 58.8 Up 04:53:01 - 05:14:36 794
Toppenish/White Swan 05:03:49 -42.7 Dark Up 62.0 58.4 Up 04:53:01 - 05:14:36 766
Sleaford 05:02:53 -45.9 Dark Up 72.8 72.4 Up 04:52:05 - 05:13:40 758
The Dalles 05:03:53 -42.6 Dark Up 61.1 57.2 Up 04:53:05 - 05:14:40 734
Maupin 05:03:54 -42.9 Dark Up 61.0 56.5 Up 04:53:07 - 05:14:42 692
PNWRO 05:03:46 -43.7 Dark Up 62.7 57.9 Up 04:52:58 - 05:14:33 665
Sisters 05:03:58 -43.0 Dark Up 60.2 55.3 Up 04:53:10 - 05:14:45 637
Bend 05:03:58 -43.3 Dark Up 60.2 54.9 Up 04:53:10 - 05:14:45 603
Oregon Observatory 05:03:59 -43.3 Dark Up 60.1 54.7 Up 04:53:11 - 05:14:46 594
Chiloquin 05:04:04 -43.6 Dark Up 59.0 52.9 Up 04:53:16 - 05:14:51 498
Klamath Falls 05:04:04 -43.8 Dark Up 58.9 52.4 Up 04:53:17 - 05:14:52 464
Fall River/Burney 05:04:07 -44.6 Dark Up 58.4 50.9 Up 04:53:19 - 05:14:54 340
Cedarville 05:04:02 -45.2 Dark Up 59.4 51.3 Up 04:53:14 - 05:14:49 322
Greenville 05:04:08 -45.3 Dark Up 58.1 49.7 Up 04:53:20 - 05:14:55 237
Gimple 05:04:08 -45.4 Dark Up 58.1 49.7 Up 04:53:20 - 05:14:55 233
Quincy 05:04:08 -45.4 Dark Up 57.9 49.4 Up 04:53:21 - 05:14:56 219
Portola 05:04:07 -45.8 Dark Up 58.1 49.2 Up 04:53:20 - 05:14:55 183
Reno 05:04:06 -46.3 Dark Up 58.3 48.8 Up 04:53:19 - 05:14:54 126
Carson City 05:04:07 -46.5 Dark Up 58.1 48.3 Up 04:53:19 - 05:14:54 93
Gardnerville 05:04:07 -46.7 Dark Up 58.0 48.0 Up 04:53:20 - 05:14:55 69
Yerington 05:04:05 -47.0 Dark Up 58.3 48.0 Up 04:53:18 - 05:14:53 44
Hawthorne 05:04:05 -47.6 Dark Up 58.3 47.3 Up 04:53:18 - 05:14:53 -25
Lee Vining 05:04:08 -47.5 Dark Up 57.7 46.7 Up 04:53:20 - 05:14:55 -51
Bishop 05:04:07 -48.3 Dark Up 57.7 45.9 Up 04:53:20 - 05:14:55 -142
Beatty 05:04:03 -49.6 Dark Up 58.3 44.9 Up 04:53:15 - 05:14:50 -266
Wildwood 05:04:15 -49.4 Dark Up 55.2 42.5 Up 04:53:28 - 05:15:03 -425
Dunrhomin 05:03:12 -55.1 Dark Up 66.9 44.3 Up 04:52:24 - 05:13:59 -456
Nikitin 05:03:12 -55.2 Dark Up 66.8 44.0 Up 04:52:24 - 05:13:59 -474
CU-SBO 05:03:12 -55.2 Dark Up 66.7 43.9 Up 04:52:24 - 05:13:59 -480
Laughlin/Bullhead City 05:04:00 -52.0 Dark Up 58.2 42.2 Up 04:53:12 - 05:14:47 -532
Patrick 05:03:57 -52.4 Dark Up 58.8 42.1 Up 04:53:09 - 05:14:44 -544
Idyllwild 05:04:10 -51.0 Dark Up 56.0 41.5 Up 04:53:22 - 05:14:57 -556
Lake Havasu City 05:04:00 -52.5 Dark Up 57.9 41.3 Up 04:53:13 - 05:14:48 -607
Calipatria 05:04:07 -52.2 Dark Up 56.2 40.4 Up 04:53:20 - 05:14:55 -672
Yuma 05:04:05 -53.0 Dark Up 56.3 39.7 Up 04:53:17 - 05:14:52 -756
George/Scottsdale 05:03:53 -54.6 Dark Up 58.6 39.4 Up 04:53:05 - 05:14:40 -797

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, (2028/10/28 05:00UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 52.40  56
37Del Cas      01:25:49.8 +60:14:06  2.7  9.81  73
10 Per         02:25:16.1 +56:36:36  6.0  2.68  77
PPM 027575     02:24:13.4 +54:11:27  8.0  0.42  76
PPM 027533     02:22:41.3 +54:11:25  9.3  0.26  76
PPM 027483     02:21:06.1 +54:12:34 10.9  0.26  75
567122         02:21:45.7 +53:58:24 15.7        75
Positions are for J2000

Event circumstances last updated at 2023/12/03 04:31:26 UT

Marc W. Buie, Southwest Research Institute

RECON