RECON: TNO occultation with 14WR510

Event between 14WR510 and star GA1000:02501344 with event index number of 2560260

Geocentric closest approach at 2023/02/27 06:58:00 UTC

J2000 position of star is 07:02:39.7 +11:39:22
Equinox of date position of star is 07:03:53.0 +11:37:22
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 40 degrees from the moon. Moon is 50% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 30.1 AU from the Sun and 29.5 AU from the Earth.
The TNO is moving 13.3 km/sec on the sky relative to the star, or, 2.2 arcsec/hr.
The 1-sigma error in the time of the event is 230 seconds.
The 1-sigma cross-track error in the shadow position is 1517 km.
The sky-plane scale is 21360.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.5
Diameter=195.0 km assuming a 5% albedo -- 14.6 sec chord
Diameter=79.6 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14WR510, (2023/02/27 07:01UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:25.6 +07:24:34  0.4 17.17  28
Alhena         06:39:03.0 +16:22:39  1.9  7.69  33
PPM 123452     07:04:55.0 +10:54:57  6.5  0.74  40
PPM 123438     07:04:16.8 +11:41:27  8.1  0.11  40
14WR510        07:03:57.0 +11:37:15 15.3        40
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 3.9 sigma about the mid-time.
The median site spacing is 12.9 km RECON observability=1.0 and success probability=0.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:56:49 -46.1 Dark Up 33.4 243.1 Up 06:41:49 - 07:11:49 7642
Kamloops 06:57:26 -44.9 Dark Up 41.6 229.0 Up 06:42:26 - 07:12:26 7143
Kelowna 06:57:19 -45.8 Dark Up 41.7 230.5 Up 06:42:19 - 07:12:19 7125
Peachland 06:57:19 -45.8 Dark Up 41.9 230.2 Up 06:42:19 - 07:12:19 7110
Summerland 06:57:17 -46.0 Dark Up 41.9 230.4 Up 06:42:17 - 07:12:17 7104
Penticton 06:57:17 -46.1 Dark Up 41.9 230.6 Up 06:42:17 - 07:12:17 7104
Oliver 06:57:13 -46.4 Dark Up 42.2 230.8 Up 06:42:13 - 07:12:13 7084
Anarchist Mountain Observatory 06:57:13 -46.6 Dark Up 42.2 231.2 Up 06:42:13 - 07:12:13 7080
Tonasket 06:57:09 -46.9 Dark Up 42.4 231.3 Up 06:42:09 - 07:12:09 7060
Okanogan 06:57:09 -47.1 Dark Up 42.7 231.4 Up 06:42:09 - 07:12:09 7035
Dunrhomin 06:55:25 -57.9 Dark Up 37.7 251.3 Up 06:40:25 - 07:10:25 7032
Brewster 06:57:09 -47.3 Dark Up 43.0 231.3 Up 06:42:09 - 07:12:09 7013
Manson/Chelan 06:57:09 -47.4 Dark Up 43.3 231.1 Up 06:42:09 - 07:12:09 6988
Wenatchee 06:57:05 -47.7 Dark Up 43.7 231.2 Up 06:42:05 - 07:12:05 6954
Pasco 06:56:55 -49.1 Dark Up 43.8 233.4 Up 06:41:55 - 07:11:55 6923
Ellensburg 06:57:05 -48.0 Dark Up 44.1 231.3 Up 06:42:05 - 07:12:05 6921
Victoria 06:57:24 -45.7 Dark Up 44.5 226.9 Up 06:42:24 - 07:12:24 6919
PNWRO 06:56:52 -49.4 Dark Up 43.8 233.8 Up 06:41:52 - 07:11:52 6916
Yakima 06:57:04 -48.4 Dark Up 44.3 231.6 Up 06:42:04 - 07:12:04 6896
Toppenish/White Swan 06:57:01 -48.6 Dark Up 44.4 231.9 Up 06:42:01 - 07:12:01 6888
Goldendale 06:56:59 -48.9 Dark Up 45.0 231.8 Up 06:41:59 - 07:11:59 6839
The Dalles 06:56:58 -49.0 Dark Up 45.3 231.6 Up 06:41:58 - 07:11:58 6812
Maupin 06:56:56 -49.4 Dark Up 45.5 232.0 Up 06:41:56 - 07:11:56 6789
Redmond 06:56:53 -50.1 Dark Up 46.1 232.7 Up 06:41:53 - 07:11:53 6727
Sisters 06:56:54 -49.9 Dark Up 46.3 232.2 Up 06:41:54 - 07:11:54 6715
Bend 06:56:52 -50.2 Dark Up 46.3 232.7 Up 06:41:52 - 07:11:52 6708
Oregon Observatory 06:56:49 -50.3 Dark Up 46.5 232.6 Up 06:41:49 - 07:11:49 6692
La Pine/Gilchrist 06:56:49 -50.5 Dark Up 46.7 232.7 Up 06:41:49 - 07:11:49 6677
North Lake 06:56:45 -51.1 Dark Up 46.6 233.8 Up 06:41:45 - 07:11:45 6669
Paisley 06:56:40 -51.7 Dark Up 46.7 234.6 Up 06:41:40 - 07:11:40 6645
Lakeview 06:56:37 -52.2 Dark Up 46.9 235.3 Up 06:41:37 - 07:11:37 6618
Chiloquin 06:56:45 -51.2 Dark Up 47.6 233.3 Up 06:41:45 - 07:11:45 6589
Cedarville 06:56:32 -52.8 Dark Up 47.2 236.0 Up 06:41:32 - 07:11:32 6580
Klamath Falls 06:56:42 -51.6 Dark Up 47.7 233.7 Up 06:41:42 - 07:11:42 6569
Fall River/Burney 06:56:34 -52.7 Dark Up 48.2 235.1 Up 06:41:34 - 07:11:34 6501
Susanville 06:56:28 -53.5 Dark Up 48.1 236.5 Up 06:41:28 - 07:11:28 6485
Gimple 06:56:27 -53.6 Dark Up 48.4 236.5 Up 06:41:27 - 07:11:27 6457
Reno 06:56:19 -54.6 Dark Up 48.1 238.2 Up 06:41:19 - 07:11:19 6455
Greenville 06:56:27 -53.6 Dark Up 48.4 236.4 Up 06:41:27 - 07:11:27 6454
Portola 06:56:24 -54.1 Dark Up 48.3 237.3 Up 06:41:24 - 07:11:24 6449
Tonopah 06:56:00 -56.9 Dark Up 47.1 242.3 Up 06:41:00 - 07:11:00 6448
Yerington 06:56:14 -55.3 Dark Up 47.9 239.4 Up 06:41:14 - 07:11:14 6440
Quincy 06:56:25 -53.8 Dark Up 48.6 236.6 Up 06:41:25 - 07:11:25 6440
Carson City 06:56:18 -54.9 Dark Up 48.2 238.6 Up 06:41:18 - 07:11:18 6430
Hawthorne 06:56:08 -55.9 Dark Up 47.8 240.4 Up 06:41:08 - 07:11:08 6427
Gardnerville 06:56:16 -55.1 Dark Up 48.3 238.8 Up 06:41:16 - 07:11:16 6414
Indian Springs 06:55:42 -58.7 Dark Up 46.7 245.1 Up 06:40:42 - 07:10:42 6400
Henderson 06:55:37 -59.5 Dark Up 46.4 246.3 Up 06:40:37 - 07:10:37 6388
Patrick 06:55:28 -60.4 Dark Up 45.9 247.9 Up 06:40:28 - 07:10:28 6386
Beatty 06:55:50 -58.0 Dark Up 47.3 243.8 Up 06:40:50 - 07:10:50 6382
Lee Vining 06:56:09 -56.2 Dark Up 48.4 240.4 Up 06:41:09 - 07:11:09 6368
Kingman/Dolan Springs 06:55:30 -60.6 Dark Up 46.1 247.9 Up 06:40:30 - 07:10:30 6362
Bishop 06:56:00 -57.0 Dark Up 48.2 241.7 Up 06:41:00 - 07:11:00 6352
Laughlin/Bullhead City 06:55:32 -60.4 Dark Up 46.5 247.5 Up 06:40:32 - 07:10:32 6339
George/Scottsdale 06:55:11 -62.7 Dark Up 45.0 251.1 Up 06:40:11 - 07:10:11 6339
Mohave Valley 06:55:30 -60.6 Dark Up 46.6 247.7 Up 06:40:30 - 07:10:30 6320
Lake Havasu City 06:55:26 -61.1 Dark Up 46.6 248.3 Up 06:40:26 - 07:10:26 6300
Parker 06:55:23 -61.4 Dark Up 46.7 248.7 Up 06:40:23 - 07:10:23 6275
Blythe 06:55:23 -61.7 Dark Up 47.1 249.0 Up 06:40:23 - 07:10:23 6224
Yuma 06:55:18 -62.5 Dark Up 47.5 249.8 Up 06:40:18 - 07:10:18 6152
Calipatria 06:55:23 -61.7 Dark Up 48.0 248.6 Up 06:40:23 - 07:10:23 6149
Idyllwild 06:55:33 -60.7 Dark Up 48.7 247.0 Up 06:40:33 - 07:10:33 6148
CPSLO 06:55:58 -57.6 Dark Up 50.8 241.5 Up 06:40:58 - 07:10:58 6109
Wildwood 06:55:41 -59.5 Dark Up 49.9 244.8 Up 06:40:41 - 07:10:41 6100

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 14WR510, (2023/02/27 07:01UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 17.17  28
Alhena         06:37:42.8 +16:23:57  1.9  7.69  33
PPM 123452     07:03:38.1 +10:57:05  6.5  0.74  40
PPM 123438     07:02:59.4 +11:43:34  8.1  0.11  40
14WR510        07:02:39.7 +11:39:22 15.3        40
Positions are for J2000

Event circumstances last updated at 2021/12/18 01:59:13 UT

Marc W. Buie, Southwest Research Institute

RECON