RECON: TNO occultation with 504847

Event between (504847) 10RE188 and star GA0980:00156101 with event index number of 2451742

Geocentric closest approach at 2022/11/03 07:56:58 UTC

J2000 position of star is 01:49:10.2 +08:45:04
Equinox of date position of star is 01:50:22.4 +08:51:49
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 51 degrees from the moon. Moon is 73% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 39.3 AU from the Sun and 38.4 AU from the Earth.
The TNO is moving 24.2 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 76 seconds.
The 1-sigma cross-track error in the shadow position is 1442 km.
The sky-plane scale is 27815.1 km/arcsec.

The TNO has an absolute magnitude Hv=6.5
Diameter=331.1 km assuming a 5% albedo -- 12.7 sec chord
Diameter=135.2 km assuming a 30% albedo -- 5.2 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 504847, (2022/11/03 07:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.0 +16:33:12  0.8 41.33  92
6Bet Ari       01:55:54.4 +20:55:07  2.6 12.13  58
110Omi Psc     01:46:36.2 +09:16:18  4.3  1.02  50
PPM 144954     01:46:54.9 +08:40:22  6.6  0.88  50
PPM 144978     01:48:24.4 +08:52:48  9.9  0.49  50
PPM 145010     01:50:32.4 +09:12:16 11.5  0.34  51
504847         01:50:22.6 +08:51:50 14.1        51
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 28.1 km RECON observability=1.0 and success probability=1.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:55:17 -54.4 Dark Up 46.6 200.0 Up 07:48:29 - 08:02:05 -4462
Kelowna 07:55:16 -55.1 Dark Up 47.1 201.5 Up 07:48:28 - 08:02:04 -4552
Peachland 07:55:16 -55.2 Dark Up 47.3 201.1 Up 07:48:28 - 08:02:04 -4554
Summerland 07:55:16 -55.4 Dark Up 47.4 201.3 Up 07:48:28 - 08:02:04 -4569
Victoria 07:55:27 -56.6 Dark Up 49.2 196.3 Up 07:48:39 - 08:02:15 -4573
Penticton 07:55:16 -55.4 Dark Up 47.4 201.5 Up 07:48:28 - 08:02:04 -4577
Oliver 07:55:16 -55.8 Dark Up 47.8 201.7 Up 07:48:28 - 08:02:04 -4608
Anarchist Mountain Observatory 07:55:15 -56.0 Dark Up 47.9 202.0 Up 07:48:27 - 08:02:03 -4627
Sleaford 07:54:41 -50.6 Dark Down 41.0 218.0 Up 07:47:53 - 08:01:29 -4628
Tonasket 07:55:16 -56.3 Dark Up 48.2 202.0 Up 07:48:28 - 08:02:04 -4652
Okanogan 07:55:16 -56.6 Dark Up 48.5 202.0 Up 07:48:28 - 08:02:04 -4678
Brewster 07:55:17 -56.9 Dark Up 48.8 201.8 Up 07:48:29 - 08:02:05 -4697
Manson/Chelan 07:55:18 -57.1 Dark Up 49.1 201.3 Up 07:48:30 - 08:02:06 -4706
Wenatchee 07:55:19 -57.6 Dark Up 49.6 201.3 Up 07:48:31 - 08:02:07 -4744
Ellensburg 07:55:20 -58.0 Dark Up 50.0 201.1 Up 07:48:32 - 08:02:08 -4775
Yakima 07:55:20 -58.4 Dark Up 50.4 201.3 Up 07:48:32 - 08:02:08 -4810
Toppenish/White Swan 07:55:20 -58.6 Dark Up 50.6 201.7 Up 07:48:32 - 08:02:08 -4833
Goldendale 07:55:21 -59.2 Dark Up 51.2 201.3 Up 07:48:33 - 08:02:09 -4872
The Dalles 07:55:22 -59.5 Dark Up 51.5 200.8 Up 07:48:34 - 08:02:10 -4883
PNWRO 07:55:15 -58.9 Dark Up 50.5 204.0 Up 07:48:27 - 08:02:03 -4903
Maupin 07:55:23 -59.9 Dark Up 51.9 201.2 Up 07:48:35 - 08:02:11 -4923
Sisters 07:55:25 -60.8 Dark Up 52.8 200.8 Up 07:48:37 - 08:02:13 -4989
Bend 07:55:24 -61.0 Dark Up 53.0 201.3 Up 07:48:36 - 08:02:12 -5017
Oregon Observatory 07:55:24 -61.2 Dark Up 53.2 201.2 Up 07:48:36 - 08:02:12 -5030
North Lake 07:55:23 -61.8 Dark Up 53.6 202.4 Up 07:48:35 - 08:02:11 -5102
Chiloquin 07:55:27 -62.5 Dark Up 54.5 201.2 Up 07:48:39 - 08:02:15 -5139
Klamath Falls 07:55:27 -62.8 Dark Up 54.8 201.5 Up 07:48:39 - 08:02:15 -5172
Lakeview 07:55:23 -62.8 Dark Up 54.4 203.9 Up 07:48:35 - 08:02:11 -5214
Cedarville 07:55:22 -63.4 Dark Up 55.0 204.5 Up 07:48:34 - 08:02:10 -5279
Fall River/Burney 07:55:26 -64.0 Dark Up 55.8 202.8 Up 07:48:38 - 08:02:14 -5292
Susanville 07:55:24 -64.6 Dark Up 56.1 204.4 Up 07:48:36 - 08:02:12 -5371
Greenville 07:55:25 -64.9 Dark Up 56.5 204.1 Up 07:48:37 - 08:02:13 -5389
Gimple 07:55:25 -64.9 Dark Up 56.5 204.2 Up 07:48:37 - 08:02:13 -5391
Quincy 07:55:25 -65.1 Dark Up 56.7 204.2 Up 07:48:37 - 08:02:13 -5408
Portola 07:55:24 -65.2 Dark Up 56.6 205.1 Up 07:48:36 - 08:02:12 -5433
Reno 07:55:22 -65.4 Dark Up 56.7 206.4 Up 07:48:34 - 08:02:10 -5476
Carson City 07:55:22 -65.7 Dark Up 57.0 206.6 Up 07:48:34 - 08:02:10 -5510
Gardnerville 07:55:23 -66.0 Dark Up 57.2 206.9 Up 07:48:35 - 08:02:11 -5535
Yerington 07:55:20 -65.9 Dark Up 56.9 207.8 Up 07:48:32 - 08:02:08 -5546
Hawthorne 07:55:20 -66.3 Dark Up 57.1 209.1 Up 07:48:32 - 08:02:08 -5605
Lee Vining 07:55:21 -66.9 Dark Up 57.8 208.7 Up 07:48:33 - 08:02:09 -5646
Tonopah 07:55:15 -66.5 Dark Up 57.0 211.8 Up 07:48:27 - 08:02:03 -5688
Bishop 07:55:19 -67.4 Dark Up 58.1 210.4 Up 07:48:31 - 08:02:07 -5724
Dunrhomin 07:54:37 -60.5 Dark Up 49.4 227.0 Up 07:47:49 - 08:01:25 -5761
CU-SBO 07:54:37 -60.8 Dark Up 49.7 227.1 Up 07:47:49 - 08:01:25 -5784
Beatty 07:55:14 -67.5 Dark Up 57.8 213.5 Up 07:48:26 - 08:02:02 -5813
Indian Springs 07:55:10 -67.6 Dark Up 57.6 215.5 Up 07:48:22 - 08:01:58 -5875
Henderson 07:55:09 -67.9 Dark Up 57.7 217.1 Up 07:48:21 - 08:01:57 -5946
Patrick 07:55:06 -68.1 Dark Up 57.6 219.5 Up 07:48:18 - 08:01:54 -6038
Wildwood 07:55:22 -70.6 Dark Up 60.9 212.9 Up 07:48:34 - 08:02:10 -6039
Laughlin/Bullhead City 07:55:08 -68.6 Dark Up 58.1 218.6 Up 07:48:20 - 08:01:56 -6044
Kingman/Dolan Springs 07:55:07 -68.4 Dark Up 57.9 219.4 Up 07:48:19 - 08:01:55 -6055
Mohave Valley 07:55:08 -68.8 Dark Up 58.3 218.9 Up 07:48:20 - 08:01:56 -6071
Lake Havasu City 07:55:07 -69.1 Dark Up 58.5 219.7 Up 07:48:19 - 08:01:55 -6118
Idyllwild 07:55:16 -70.5 Dark Up 60.3 216.6 Up 07:48:28 - 08:02:04 -6128
Parker 07:55:08 -69.4 Dark Up 58.8 220.2 Up 07:48:20 - 08:01:56 -6154
Calipatria 07:55:13 -70.8 Dark Up 60.2 219.3 Up 07:48:25 - 08:02:01 -6223
George/Scottsdale 07:55:00 -68.9 Dark Up 57.8 224.4 Up 07:48:12 - 08:01:48 -6262
Yuma 07:55:10 -70.9 Dark Up 60.1 221.2 Up 07:48:22 - 08:01:58 -6291

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 504847, (2022/11/03 07:57UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 41.33  92
6Bet Ari       01:54:38.5 +20:48:26  2.6 12.13  58
110Omi Psc     01:45:23.7 +09:09:29  4.3  1.02  50
PPM 144954     01:45:42.6 +08:33:33  6.6  0.88  50
PPM 144978     01:47:12.0 +08:46:00  9.9  0.49  50
PPM 145010     01:49:19.9 +09:05:30 11.5  0.34  51
504847         01:49:10.2 +08:45:04 14.1        51
Positions are for J2000

Event circumstances last updated at 2022/10/10 04:15:57 UT

Marc W. Buie, Southwest Research Institute

RECON