RECON: TNO occultation with 06QJ181

Event between 06QJ181 and star GA1020:01868998 with event index number of 1195497

Geocentric closest approach at 2022/11/11 07:48:16 UTC

J2000 position of star is 06:28:40.1 +13:59:57
Equinox of date position of star is 06:29:46.3 +13:59:08
Stellar brightness G=15.1, use SENSEUP=128
Star is 20 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 31.8 AU from the Sun and 31.2 AU from the Earth.
The TNO is moving 15.1 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 582 seconds.
The 1-sigma cross-track error in the shadow position is 4377 km.
The sky-plane scale is 22612.0 km/arcsec.

The TNO has an absolute magnitude Hv=6.9
Diameter=245.5 km assuming a 5% albedo -- 16.2 sec chord
Diameter=100.2 km assuming a 30% albedo -- 6.6 sec chord
Dynamical classification is 3:1EE+3:1II
 
 
 
 
 
 

Star training set for 06QJ181, (2022/11/11 07:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.6 +07:24:34  0.4 10.54  21
Alhena         06:39:01.9 +16:22:40  1.9  3.24  20
PPM 122497     06:28:34.2 +14:52:25  6.2  0.95  19
PPM 122554     06:30:42.8 +13:37:20  7.7  0.40  20
PPM 122534     06:29:47.1 +13:52:52 10.0  0.11  20
06QJ181        06:29:57.9 +13:58:59 15.1        20
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 1.5 sigma about the mid-time.
The median site spacing is 14.3 km RECON observability=1.0 and success probability=7.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 07:50:09 -57.5 Dark Up 36.8 114.7 Up 07:35:09 - 08:05:09 4386
Summerland 07:50:11 -57.8 Dark Up 36.7 114.3 Up 07:35:11 - 08:05:11 4376
Penticton 07:50:10 -57.9 Dark Up 36.8 114.3 Up 07:35:10 - 08:05:10 4369
Okanagan Falls 07:50:11 -58.1 Dark Up 36.9 114.2 Up 07:35:11 - 08:05:11 4358
Oliver 07:50:12 -58.2 Dark Up 37.0 114.1 Up 07:35:12 - 08:05:12 4348
Anarchist Mountain Observatory 07:50:13 -58.4 Dark Up 37.2 114.2 Up 07:35:13 - 08:05:13 4332
Oroville 07:50:14 -58.5 Dark Up 37.2 114.1 Up 07:35:14 - 08:05:14 4330
Tonasket 07:50:14 -58.7 Dark Up 37.2 113.9 Up 07:35:14 - 08:05:14 4315
Okanogan 07:50:17 -59.0 Dark Up 37.3 113.5 Up 07:35:17 - 08:05:17 4299
Brewster 07:50:20 -59.3 Dark Up 37.3 113.2 Up 07:35:20 - 08:05:20 4288
Manson/Chelan 07:50:21 -59.5 Dark Up 37.1 112.7 Up 07:35:21 - 08:05:21 4285
Entiat 07:50:23 -59.8 Dark Up 37.2 112.5 Up 07:35:23 - 08:05:23 4274
Wenatchee 07:50:24 -60.0 Dark Up 37.2 112.2 Up 07:35:24 - 08:05:24 4261
Ellensburg 07:50:27 -60.4 Dark Up 37.3 111.7 Up 07:35:27 - 08:05:27 4241
Yakima 07:50:30 -60.8 Dark Up 37.4 111.4 Up 07:35:30 - 08:05:30 4216
Toppenish/White Swan 07:50:30 -61.0 Dark Up 37.6 111.4 Up 07:35:30 - 08:05:30 4197
Goldendale 07:50:35 -61.6 Dark Up 37.5 110.6 Up 07:35:35 - 08:05:35 4174
The Dalles 07:50:37 -61.8 Dark Up 37.4 110.2 Up 07:35:37 - 08:05:37 4171
Pasco 07:50:28 -61.1 Dark Up 38.4 112.5 Up 07:35:28 - 08:05:28 4153
Maupin 07:50:38 -62.3 Dark Up 37.6 110.0 Up 07:35:38 - 08:05:38 4140
George/Umatilla 07:50:30 -61.5 Dark Up 38.4 112.1 Up 07:35:30 - 08:05:30 4137
PNWRO 07:50:28 -61.3 Dark Up 38.7 112.5 Up 07:35:28 - 08:05:28 4130
Madras/Culver 07:50:43 -62.8 Dark Up 37.8 109.5 Up 07:35:43 - 08:05:43 4106
Sisters 07:50:46 -63.1 Dark Up 37.6 108.9 Up 07:35:46 - 08:05:46 4097
Redmond 07:50:44 -63.2 Dark Up 37.8 109.2 Up 07:35:44 - 08:05:44 4084
Bend 07:50:46 -63.4 Dark Up 37.8 109.0 Up 07:35:46 - 08:05:46 4074
Oregon Observatory 07:50:48 -63.6 Dark Up 37.8 108.7 Up 07:35:48 - 08:05:48 4066
La Pine/Gilchrist 07:50:49 -63.8 Dark Up 37.8 108.5 Up 07:35:49 - 08:05:49 4054
North Lake 07:50:49 -64.2 Dark Up 38.4 108.7 Up 07:35:49 - 08:05:49 4007
Chiloquin 07:50:56 -64.9 Dark Up 37.9 107.4 Up 07:35:56 - 08:05:56 3990
Klamath Falls 07:50:57 -65.2 Dark Up 38.1 107.2 Up 07:35:57 - 08:05:57 3964
Paisley 07:50:51 -64.7 Dark Up 38.8 108.6 Up 07:35:51 - 08:05:51 3958
Tulelake 07:50:58 -65.5 Dark Up 38.4 107.3 Up 07:35:58 - 08:05:58 3936
Lakeview 07:50:53 -65.2 Dark Up 39.1 108.4 Up 07:35:53 - 08:05:53 3917
Fall River/Burney 07:51:03 -66.4 Dark Up 38.7 106.7 Up 07:36:03 - 08:06:03 3870
Cedarville 07:50:57 -65.9 Dark Up 39.5 108.1 Up 07:35:57 - 08:05:57 3865
Susanville 07:51:04 -67.0 Dark Up 39.5 106.8 Up 07:36:04 - 08:06:04 3801
Greenville 07:51:07 -67.3 Dark Up 39.3 106.4 Up 07:36:07 - 08:06:07 3791
Gimple 07:51:06 -67.3 Dark Up 39.4 106.4 Up 07:36:06 - 08:06:06 3788
Quincy 07:51:06 -67.5 Dark Up 39.4 106.2 Up 07:36:06 - 08:06:06 3776
Portola 07:51:06 -67.6 Dark Up 39.8 106.5 Up 07:36:06 - 08:06:06 3752
Reno 07:51:06 -67.8 Dark Up 40.3 106.8 Up 07:36:06 - 08:06:06 3711
Carson City 07:51:07 -68.2 Dark Up 40.5 106.6 Up 07:36:07 - 08:06:07 3684
Gardnerville 07:51:09 -68.4 Dark Up 40.6 106.4 Up 07:36:09 - 08:06:09 3665
Yerington 07:51:07 -68.3 Dark Up 41.0 106.9 Up 07:36:07 - 08:06:07 3649
Hawthorne 07:51:07 -68.7 Dark Up 41.5 107.0 Up 07:36:07 - 08:06:07 3597
Lee Vining 07:51:12 -69.3 Dark Up 41.3 106.1 Up 07:36:12 - 08:06:12 3571
Tonopah 07:51:05 -69.0 Dark Up 42.7 107.7 Up 07:36:05 - 08:06:05 3515
Bishop 07:51:11 -69.9 Dark Up 42.0 106.2 Up 07:36:11 - 08:06:11 3501
Lone Pine 07:51:15 -70.6 Dark Up 42.5 105.8 Up 07:36:15 - 08:06:15 3431
CPSLO 07:51:30 -72.1 Dark Up 40.8 102.7 Up 07:36:30 - 08:06:30 3419
Beatty 07:51:10 -70.0 Dark Up 43.4 107.1 Up 07:36:10 - 08:06:10 3411
Indian Springs 07:51:07 -70.1 Dark Up 44.3 107.7 Up 07:36:07 - 08:06:07 3348
Henderson 07:51:07 -70.4 Dark Up 45.0 107.8 Up 07:36:07 - 08:06:07 3282
Niwot 07:50:10 -63.3 Dark Up 50.2 121.2 Up 07:35:10 - 08:05:10 3276
SwRI 07:50:11 -63.4 Dark Up 50.2 121.0 Up 07:35:11 - 08:05:11 3271
Wildwood 07:51:30 -73.1 Dark Up 42.8 103.2 Up 07:36:30 - 08:06:30 3252
Searchlight/Boulder City 07:51:09 -71.0 Dark Up 45.3 107.3 Up 07:36:09 - 08:06:09 3234
Laughlin/Bullhead City 07:51:09 -71.1 Dark Up 45.6 107.3 Up 07:36:09 - 08:06:09 3198
Patrick 07:51:06 -70.7 Dark Up 46.1 108.1 Up 07:36:06 - 08:06:06 3193
Kingman/Dolan Springs 07:51:08 -71.0 Dark Up 46.0 107.7 Up 07:36:08 - 08:06:08 3182
Mohave Valley 07:51:10 -71.4 Dark Up 45.7 107.0 Up 07:36:10 - 08:06:10 3176
Idyllwild 07:51:25 -73.1 Dark Up 44.4 104.2 Up 07:36:25 - 08:06:25 3157
DCO 07:51:04 -70.7 Dark Up 46.7 108.4 Up 07:36:04 - 08:06:04 3144
Lake Havasu City 07:51:12 -71.7 Dark Up 46.0 106.8 Up 07:36:12 - 08:06:12 3135
Parker 07:51:13 -72.0 Dark Up 46.1 106.5 Up 07:36:13 - 08:06:13 3105
Blythe 07:51:17 -72.6 Dark Up 46.1 105.7 Up 07:36:17 - 08:06:17 3072
Calipatria 07:51:23 -73.3 Dark Up 45.5 104.6 Up 07:36:23 - 08:06:23 3065
Yuma 07:51:20 -73.4 Dark Up 46.3 104.8 Up 07:36:20 - 08:06:20 2997

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 06QJ181, (2022/11/11 07:48UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 10.54  21
Alhena         06:37:42.8 +16:23:57  1.9  3.24  20
PPM 122497     06:27:15.8 +14:53:21  6.2  0.95  19
PPM 122554     06:29:25.2 +13:38:20  7.7  0.40  20
PPM 122534     06:28:29.4 +13:53:50 10.0  0.11  20
06QJ181        06:28:40.1 +13:59:57 15.1        20
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:21:18 UT

Marc W. Buie, Southwest Research Institute

RECON