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 07:45:03 UTC

J2000 position of star is 02:11:39.9 +53:30:39
Equinox of date position of star is 02:13:17.1 +53:37:20
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.
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 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 111 seconds.
The 1-sigma cross-track error in the shadow position is 1957 km.
The sky-plane scale is 8333.9 km/arcsec.

The object has an absolute magnitude Hv=9.2
Diameter=80.5 km assuming a 5% albedo -- 4.4 sec chord
Diameter=32.9 km assuming a 30% albedo -- 1.8 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 5.0 sigma about the mid-time.
The median site spacing is 37.1 km RECON observability=1.0 and success probability=28.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:42:58 -57.0 Dark Down 65.7 289.6 Up 07:33:13 - 07:52:43 213
Kamloops 07:43:46 -60.0 Dark Up 73.6 290.2 Up 07:34:01 - 07:53:31 105
Kelowna 07:43:44 -60.8 Dark Down 72.8 292.7 Up 07:33:59 - 07:53:29 7
Peachland 07:43:45 -60.9 Dark Down 72.9 293.1 Up 07:34:00 - 07:53:30 -2
Summerland 07:43:45 -61.1 Dark Down 72.8 293.5 Up 07:34:00 - 07:53:30 -19
Penticton 07:43:44 -61.1 Dark Down 72.7 293.7 Up 07:33:59 - 07:53:29 -28
Oliver 07:43:45 -61.5 Dark Down 72.6 294.7 Up 07:34:00 - 07:53:30 -66
Anarchist Mountain Observatory 07:43:44 -61.7 Dark Down 72.4 295.2 Up 07:33:59 - 07:53:29 -87
Victoria 07:43:59 -62.0 Dark Up 74.5 297.6 Up 07:34:14 - 07:53:44 -90
Okanogan 07:43:46 -62.3 Dark Down 72.2 297.1 Up 07:34:01 - 07:53:31 -154
Brewster 07:43:47 -62.6 Dark Up 72.2 297.8 Up 07:34:02 - 07:53:32 -181
Manson/Chelan 07:43:48 -62.8 Dark Up 72.3 298.5 Up 07:34:03 - 07:53:33 -200
Wenatchee 07:43:49 -63.2 Dark Up 72.2 299.8 Up 07:34:04 - 07:53:34 -249
Ellensburg 07:43:51 -63.7 Dark Up 72.1 301.0 Up 07:34:06 - 07:53:36 -291
Yakima 07:43:51 -64.1 Dark Up 71.9 302.1 Up 07:34:06 - 07:53:36 -335
Toppenish/White Swan 07:43:51 -64.3 Dark Up 71.7 302.6 Up 07:34:06 - 07:53:36 -360
PNWRO 07:43:46 -64.7 Dark Down 70.6 302.9 Up 07:34:01 - 07:53:31 -416
The Dalles 07:43:54 -65.0 Dark Up 71.7 304.9 Up 07:34:09 - 07:53:39 -434
Maupin 07:43:55 -65.4 Dark Up 71.4 305.9 Up 07:34:10 - 07:53:40 -480
Sisters 07:43:58 -66.3 Dark Up 71.1 308.2 Up 07:34:13 - 07:53:43 -567
Bend 07:43:57 -66.6 Dark Up 70.8 308.6 Up 07:34:12 - 07:53:42 -596
Oregon Observatory 07:43:58 -66.7 Dark Up 70.8 309.1 Up 07:34:13 - 07:53:43 -613
Chiloquin 07:44:01 -68.0 Dark Up 70.2 312.1 Up 07:34:16 - 07:53:46 -746
Klamath Falls 07:44:01 -68.3 Dark Up 69.9 312.8 Up 07:34:16 - 07:53:46 -783
Cedarville 07:43:55 -69.1 Dark Up 68.6 313.1 Up 07:34:10 - 07:53:40 -877
Fall River/Burney 07:44:01 -69.5 Dark Up 68.9 314.8 Up 07:34:16 - 07:53:46 -912
Greenville 07:44:00 -70.5 Dark Up 68.0 316.1 Up 07:34:15 - 07:53:45 -1012
Gimple 07:44:00 -70.5 Dark Up 67.9 316.0 Up 07:34:15 - 07:53:45 -1014
Quincy 07:44:00 -70.7 Dark Up 67.8 316.4 Up 07:34:15 - 07:53:45 -1033
Portola 07:43:59 -70.8 Dark Up 67.5 316.3 Up 07:34:14 - 07:53:44 -1053
Dunrhomin 07:42:57 -67.1 Dark Down 59.3 309.6 Up 07:33:12 - 07:52:42 -1059
Nikitin 07:42:57 -67.3 Dark Down 59.2 309.8 Up 07:33:12 - 07:52:42 -1079
CU-SBO 07:42:58 -67.4 Dark Down 59.2 309.9 Up 07:33:13 - 07:52:43 -1086
Reno 07:43:56 -71.1 Dark Up 67.0 316.3 Up 07:34:11 - 07:53:41 -1089
Carson City 07:43:57 -71.5 Dark Up 66.7 316.8 Up 07:34:12 - 07:53:42 -1126
Gardnerville 07:43:57 -71.7 Dark Up 66.5 317.2 Up 07:34:12 - 07:53:42 -1152
Yerington 07:43:54 -71.7 Dark Up 66.2 316.7 Up 07:34:09 - 07:53:39 -1154
Hawthorne 07:43:53 -72.1 Dark Up 65.6 317.1 Up 07:34:08 - 07:53:38 -1208
Lee Vining 07:43:55 -72.7 Dark Up 65.4 318.3 Up 07:34:10 - 07:53:40 -1261
Bishop 07:43:53 -73.3 Dark Up 64.6 318.6 Up 07:34:08 - 07:53:38 -1330
Beatty 07:43:47 -73.6 Dark Down 63.4 318.3 Up 07:34:02 - 07:53:32 -1393
Patrick 07:43:36 -74.5 Dark Down 60.8 318.6 Up 07:33:51 - 07:53:21 -1564
Laughlin/Bullhead City 07:43:39 -74.9 Dark Down 61.0 319.2 Up 07:33:54 - 07:53:24 -1585
Lake Havasu City 07:43:39 -75.5 Dark Down 60.3 319.9 Up 07:33:54 - 07:53:24 -1654
Wildwood 07:43:58 -76.6 Dark Up 62.2 322.9 Up 07:34:13 - 07:53:43 -1658
Idyllwild 07:43:50 -76.7 Dark Down 61.0 322.1 Up 07:34:05 - 07:53:35 -1713
George/Scottsdale 07:43:29 -75.4 Dark Down 58.4 319.5 Up 07:33:44 - 07:53:14 -1743
Calipatria 07:43:45 -77.1 Dark Down 59.9 322.0 Up 07:34:00 - 07:53:30 -1783
Yuma 07:43:42 -77.3 Dark Down 59.1 322.0 Up 07:33:57 - 07:53:27 -1832

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 2023/12/03 04:37:09 UT

Marc W. Buie, Southwest Research Institute

RECON