RECON: TNO occultation with 599752

Event between (599752) 10VQ11 and star GA0980:01449058 with event index number of 2728373

Geocentric closest approach at 2027/11/28 13:24:11 UTC

J2000 position of star is 06:09:11.3 +09:55:40
Equinox of date position of star is 06:10:30.6 +09:55:20
Stellar brightness G=15.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 153 degrees from the moon. Moon is 0% illuminated.
Apparent brightness V=21.8

[RECON map]
Object is 41.6 AU from the Sun and 40.7 AU from the Earth.
Apparent velocity is 22.6 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 318 seconds.
The 1-sigma cross-track error in the shadow position is 2160 km.
The sky-plane scale is 29532.8 km/arcsec.

The object has an absolute magnitude Hv=5.6
Diameter=448.8 km assuming a 5% albedo -- 20.2 sec chord
Diameter=183.2 km assuming a 30% albedo -- 8.2 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 599752, (2027/11/28 13:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:41.0 +07:24:35  0.4  4.28 153
Alhena         06:39:19.4 +16:22:23  1.9  9.49 150
75 Ori         06:18:39.0 +09:55:48  5.4  1.95 151
PPM 149966     06:10:09.9 +09:37:42  7.7  0.32 152
PPM 150006     06:11:33.0 +09:57:40  9.8  0.21 152
599752         06:10:43.6 +09:55:16 15.5       152
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 2.8 sigma about the mid-time.
The median site spacing is 32.0 km RECON observability=0.8 and success probability=0.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 13:21:05 -12.3 AT Down 20.5 259.6 Low 13:06:05 - 13:36:05 8548
Kamloops 13:21:23 -20.7 Dark Down 29.5 247.8 Low 13:06:23 - 13:36:23 8333
Kelowna 13:21:19 -20.0 Dark Down 29.3 249.0 Low 13:06:19 - 13:36:19 8268
Peachland 13:21:19 -20.2 Dark Down 29.5 248.8 Low 13:06:19 - 13:36:19 8257
Summerland 13:21:19 -20.1 Dark Down 29.5 249.0 Low 13:06:19 - 13:36:19 8244
Penticton 13:21:18 -20.0 Dark Down 29.4 249.1 Low 13:06:18 - 13:36:18 8239
Oliver 13:21:17 -19.9 Dark Down 29.6 249.3 Low 13:06:17 - 13:36:17 8208
Anarchist Mountain Observatory 13:21:17 -19.8 Dark Down 29.5 249.6 Low 13:06:17 - 13:36:17 8195
Okanogan 13:21:15 -19.8 Dark Down 29.9 249.7 Low 13:06:15 - 13:36:15 8137
Victoria 13:21:23 -22.3 Dark Down 32.2 246.2 Up 13:06:23 - 13:36:23 8130
Brewster 13:21:15 -19.9 Dark Down 30.1 249.7 Up 13:06:15 - 13:36:15 8112
Manson/Chelan 13:21:16 -20.1 Dark Down 30.4 249.5 Up 13:06:16 - 13:36:16 8091
Wenatchee 13:21:14 -20.1 Dark Down 30.7 249.6 Up 13:06:14 - 13:36:14 8048
Ellensburg 13:21:14 -20.2 Dark Down 31.0 249.6 Up 13:06:14 - 13:36:14 8010
Yakima 13:21:14 -20.2 Dark Down 31.1 249.8 Up 13:06:14 - 13:36:14 7973
Toppenish/White Swan 13:21:12 -20.0 Dark Down 31.1 250.1 Up 13:06:12 - 13:36:12 7954
PNWRO 13:21:08 -18.9 Dark Down 30.2 251.6 Up 13:06:08 - 13:36:08 7930
The Dalles 13:21:12 -20.4 Dark Down 31.9 249.8 Up 13:06:12 - 13:36:12 7879
Maupin 13:21:10 -20.3 Dark Down 31.9 250.2 Up 13:06:10 - 13:36:10 7841
Sisters 13:21:10 -20.5 Dark Down 32.6 250.3 Up 13:06:10 - 13:36:10 7758
Bend 13:21:08 -20.2 Dark Down 32.5 250.6 Up 13:06:08 - 13:36:08 7737
Oregon Observatory 13:21:08 -20.3 Dark Down 32.6 250.6 Up 13:06:08 - 13:36:08 7720
Chiloquin 13:21:06 -20.4 Dark Down 33.4 251.1 Up 13:06:06 - 13:36:06 7594
Klamath Falls 13:21:05 -20.2 Dark Down 33.4 251.4 Up 13:06:05 - 13:36:05 7562
Dunrhomin 13:20:30 -7.8 NT Down 21.7 264.6 Low 13:05:30 - 13:35:30 7508
Cedarville 13:21:01 -18.9 Dark Down 32.5 253.1 Up 13:06:01 - 13:36:01 7506
Nikitin 13:20:30 -7.8 NT Down 21.7 264.7 Low 13:05:30 - 13:35:30 7490
CU-SBO 13:20:29 -7.8 NT Down 21.8 264.6 Low 13:05:29 - 13:35:29 7483
Fall River/Burney 13:21:02 -19.7 Dark Down 33.5 252.4 Up 13:06:02 - 13:36:02 7452
Gimple 13:20:59 -19.2 Dark Down 33.4 253.4 Up 13:05:59 - 13:35:59 7367
Greenville 13:20:59 -19.2 Dark Down 33.5 253.3 Up 13:05:59 - 13:35:59 7367
Quincy 13:20:59 -19.2 Dark Down 33.5 253.4 Up 13:05:59 - 13:35:59 7347
Portola 13:20:57 -18.8 Dark Down 33.2 253.9 Up 13:05:57 - 13:35:57 7338
Reno 13:20:56 -18.3 Dark Down 32.8 254.6 Up 13:05:56 - 13:35:56 7317
Carson City 13:20:54 -18.2 Dark Down 32.9 254.8 Up 13:05:54 - 13:35:54 7282
Yerington 13:20:53 -17.7 AT Down 32.5 255.4 Up 13:05:53 - 13:35:53 7267
Gardnerville 13:20:54 -18.1 Dark Down 32.9 255.0 Up 13:05:54 - 13:35:54 7258
Hawthorne 13:20:51 -17.2 AT Down 32.2 256.1 Up 13:05:51 - 13:35:51 7225
Lee Vining 13:20:51 -17.4 AT Down 32.7 256.1 Up 13:05:51 - 13:35:51 7166
Bishop 13:20:48 -16.7 AT Down 32.3 256.9 Up 13:05:48 - 13:35:48 7112
Beatty 13:20:43 -15.3 AT Down 31.1 258.4 Up 13:05:43 - 13:35:43 7078
Patrick 13:20:35 -12.7 AT Down 29.1 261.1 Low 13:05:35 - 13:35:35 6953
Laughlin/Bullhead City 13:20:35 -13.2 AT Down 29.7 260.8 Low 13:05:35 - 13:35:35 6922
Lake Havasu City 13:20:33 -12.8 AT Down 29.6 261.4 Low 13:05:33 - 13:35:33 6856
George/Scottsdale 13:20:27 -10.6 NT Down 27.7 263.3 Low 13:05:27 - 13:35:27 6800
Wildwood 13:20:42 -16.0 AT Down 33.2 258.8 Up 13:05:42 - 13:35:42 6782
Idyllwild 13:20:37 -14.5 AT Down 31.7 260.3 Up 13:05:37 - 13:35:37 6760
Calipatria 13:20:33 -13.3 AT Down 30.8 261.4 Up 13:05:33 - 13:35:33 6707
Yuma 13:20:30 -12.5 AT Down 30.2 262.2 Up 13:05:30 - 13:35:30 6670

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 599752, (2027/11/28 13:19UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  4.28 153
Alhena         06:37:42.8 +16:23:56  1.9  9.49 150
75 Ori         06:17:06.6 +09:56:31  5.4  1.95 151
PPM 149966     06:08:37.7 +09:38:05  7.7  0.32 152
PPM 150006     06:10:00.6 +09:58:07  9.8  0.21 152
599752         06:09:11.3 +09:55:40 15.5       152
Positions are for J2000

Event circumstances last updated at 2023/12/24 04:35:29 UT

Marc W. Buie, Southwest Research Institute

RECON