RECON: TNO occultation with 505476

Event between (505476) 13UL15 and star GA0960:00135110 with event index number of 2397471

Geocentric closest approach at 2022/11/28 09:15:37 UTC

J2000 position of star is 01:33:40.4 +07:55:56
Equinox of date position of star is 01:34:49.1 +08:02:37
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 78 degrees from the moon. Moon is 26% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 43.8 AU from the Sun and 43.0 AU from the Earth.
The TNO is moving 17.9 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 158 seconds.
The 1-sigma cross-track error in the shadow position is 2297 km.
The sky-plane scale is 31206.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.6
Diameter=288.4 km assuming a 5% albedo -- 16.1 sec chord
Diameter=117.7 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 505476, (2022/11/28 09:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.3 +16:33:13  0.8 45.25 122
6Bet Ari       01:55:54.6 +20:55:09  2.6 13.84  88
PPM 144653     01:30:15.0 +07:24:42  6.4  1.31  76
PPM 144733     01:34:30.4 +08:19:32  7.2  0.29  78
PPM 144737     01:34:45.3 +08:10:39 10.4  0.13  78
505476         01:34:52.6 +08:02:57 16.9        78
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 27.7 km RECON observability=1.0 and success probability=0.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 09:11:03 -56.5 Dark Down 23.6 253.1 Low 08:57:25 - 09:24:42 10064
Kelowna 09:11:03 -56.9 Dark Down 23.8 253.2 Low 08:57:24 - 09:24:41 10027
Peachland 09:11:03 -57.1 Dark Down 24.0 253.0 Low 08:57:25 - 09:24:42 10017
Summerland 09:11:03 -57.2 Dark Down 24.0 253.1 Low 08:57:24 - 09:24:41 10003
Penticton 09:11:02 -57.2 Dark Down 24.0 253.2 Low 08:57:23 - 09:24:40 9996
Oliver 09:11:02 -57.4 Dark Down 24.1 253.4 Low 08:57:23 - 09:24:40 9961
Anarchist Mountain Observatory 09:11:00 -57.5 Dark Down 24.0 253.6 Low 08:57:21 - 09:24:38 9944
Tonasket 09:11:00 -57.8 Dark Down 24.1 253.7 Low 08:57:21 - 09:24:38 9914
Victoria 09:11:08 -59.5 Dark Down 26.7 250.4 Low 08:57:29 - 09:24:46 9911
Okanogan 09:10:59 -58.1 Dark Down 24.3 253.7 Low 08:57:21 - 09:24:38 9882
Brewster 09:10:58 -58.4 Dark Down 24.5 253.6 Low 08:57:19 - 09:24:36 9855
Manson/Chelan 09:11:00 -58.7 Dark Down 24.8 253.4 Low 08:57:21 - 09:24:38 9836
Wenatchee 09:10:59 -59.1 Dark Down 25.1 253.5 Low 08:57:21 - 09:24:38 9790
Ellensburg 09:10:58 -59.6 Dark Down 25.3 253.5 Low 08:57:19 - 09:24:36 9749
Yakima 09:10:57 -59.9 Dark Down 25.5 253.7 Low 08:57:19 - 09:24:36 9709
Toppenish/White Swan 09:10:56 -60.0 Dark Down 25.4 253.9 Low 08:57:18 - 09:24:35 9687
Pasco 09:10:54 -59.5 Dark Down 24.6 255.0 Low 08:57:15 - 09:24:32 9671
PNWRO 09:10:53 -59.6 Dark Down 24.5 255.3 Low 08:57:15 - 09:24:32 9645
Goldendale 09:10:56 -60.6 Dark Down 25.9 253.8 Low 08:57:18 - 09:24:35 9633
The Dalles 09:10:57 -60.9 Dark Down 26.2 253.6 Low 08:57:18 - 09:24:35 9611
Maupin 09:10:55 -61.2 Dark Down 26.2 253.9 Low 08:57:17 - 09:24:34 9569
Sisters 09:10:55 -62.1 Dark Down 26.8 253.9 Low 08:57:17 - 09:24:34 9482
Redmond 09:10:53 -61.9 Dark Down 26.5 254.3 Low 08:57:15 - 09:24:32 9478
Bend 09:10:53 -62.1 Dark Down 26.7 254.2 Low 08:57:15 - 09:24:32 9457
Oregon Observatory 09:10:54 -62.3 Dark Down 26.8 254.2 Low 08:57:15 - 09:24:32 9440
La Pine/Gilchrist 09:10:54 -62.5 Dark Down 26.9 254.3 Low 08:57:16 - 09:24:33 9419
North Lake 09:10:51 -62.6 Dark Down 26.6 255.0 Low 08:57:12 - 09:24:29 9372
Paisley 09:10:50 -62.8 Dark Down 26.5 255.5 Low 08:57:11 - 09:24:28 9314
Chiloquin 09:10:52 -63.5 Dark Down 27.5 254.5 Low 08:57:14 - 09:24:31 9307
Klamath Falls 09:10:51 -63.7 Dark Down 27.5 254.8 Low 08:57:12 - 09:24:29 9271
Lakeview 09:10:48 -63.0 Dark Down 26.5 255.9 Low 08:57:10 - 09:24:27 9261
Cedarville 09:10:47 -63.4 Dark Down 26.5 256.3 Low 08:57:09 - 09:24:26 9193
Fall River/Burney 09:10:47 -64.4 Dark Down 27.6 255.6 Low 08:57:09 - 09:24:26 9147
Susanville 09:10:46 -64.4 Dark Down 27.2 256.5 Low 08:57:08 - 09:24:25 9079
Dunrhomin 09:10:16 -54.5 Dark Down 15.6 267.2 Really Low 08:56:37 - 09:23:54 9064
Greenville 09:10:46 -64.8 Dark Down 27.4 256.4 Low 08:57:07 - 09:24:24 9051
Gimple 09:10:45 -64.7 Dark Down 27.4 256.5 Low 08:57:07 - 09:24:24 9051
Quincy 09:10:46 -64.9 Dark Down 27.5 256.5 Low 08:57:08 - 09:24:25 9030
Portola 09:10:44 -64.7 Dark Down 27.2 256.9 Low 08:57:06 - 09:24:23 9015
Reno 09:10:43 -64.5 Dark Down 26.7 257.5 Low 08:57:04 - 09:24:21 8985
Carson City 09:10:42 -64.7 Dark Down 26.8 257.7 Low 08:57:03 - 09:24:20 8947
Yerington 09:10:38 -64.5 Dark Down 26.4 258.3 Low 08:57:00 - 09:24:17 8924
Gardnerville 09:10:41 -64.8 Dark Down 26.8 257.9 Low 08:57:03 - 09:24:20 8921
Hawthorne 09:10:38 -64.4 Dark Down 26.1 258.9 Low 08:57:00 - 09:24:17 8874
Tonopah 09:10:34 -63.8 Dark Down 25.1 260.1 Low 08:56:55 - 09:24:12 8821
Lee Vining 09:10:38 -65.1 Dark Down 26.5 258.8 Low 08:57:00 - 09:24:17 8816
Bishop 09:10:36 -64.9 Dark Down 26.1 259.6 Low 08:56:57 - 09:24:14 8750
Beatty 09:10:31 -64.1 Dark Down 24.9 260.9 Low 08:56:52 - 09:24:09 8697
Indian Springs 09:10:28 -63.5 Dark Down 24.1 261.7 Low 08:56:49 - 09:24:06 8660
Henderson 09:10:26 -63.2 Dark Down 23.6 262.4 Low 08:56:47 - 09:24:04 8602
CPSLO 09:10:38 -67.6 Dark Down 28.3 259.1 Low 08:57:00 - 09:24:17 8538
Patrick 09:10:23 -62.7 Dark Down 22.8 263.4 Low 08:56:44 - 09:24:01 8534
Kingman/Dolan Springs 09:10:23 -62.9 Dark Down 23.0 263.3 Low 08:56:44 - 09:24:01 8510
Laughlin/Bullhead City 09:10:24 -63.3 Dark Down 23.4 263.0 Low 08:56:45 - 09:24:02 8508
Mohave Valley 09:10:24 -63.4 Dark Down 23.5 263.2 Low 08:56:46 - 09:24:03 8479
Lake Havasu City 09:10:23 -63.4 Dark Down 23.3 263.5 Low 08:56:44 - 09:24:01 8435
Wildwood 09:10:32 -66.7 Dark Down 26.8 261.0 Low 08:56:54 - 09:24:11 8400
Parker 09:10:22 -63.5 Dark Down 23.3 263.6 Low 08:56:43 - 09:24:00 8397
Idyllwild 09:10:26 -65.5 Dark Down 25.4 262.4 Low 08:56:48 - 09:24:05 8357
George/Scottsdale 09:10:16 -61.8 Dark Down 21.4 265.2 Low 08:56:38 - 09:23:55 8351
Blythe 09:10:22 -63.9 Dark Down 23.6 263.7 Low 08:56:43 - 09:24:00 8341
Calipatria 09:10:23 -64.8 Dark Down 24.5 263.4 Low 08:56:44 - 09:24:01 8288
Yuma 09:10:20 -64.3 Dark Down 23.8 264.1 Low 08:56:42 - 09:23:59 8241

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 505476, (2022/11/28 09:16UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 45.25 122
6Bet Ari       01:54:38.5 +20:48:26  2.6 13.84  88
PPM 144653     01:29:03.1 +07:17:38  6.4  1.31  76
PPM 144733     01:33:18.2 +08:12:30  7.2  0.29  78
PPM 144737     01:33:33.1 +08:03:38 10.4  0.13  78
505476         01:33:40.4 +07:55:56 16.9        78
Positions are for J2000

Event circumstances last updated at 2021/10/25 23:31:39 UT

Marc W. Buie, Southwest Research Institute

RECON