RECON: TNO occultation with 14KB102

Event between 14KB102 and star GA0760:14396308 with event index number of 2497089

Geocentric closest approach at 2027/07/13 07:23:02 UTC

J2000 position of star is 18:31:50.3 -12:56:50
Equinox of date position of star is 18:33:05.9 -12:55:47
Stellar brightness G=15.3, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 49 degrees from the moon. Moon is 75% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 33.3 AU from the Sun and 32.3 AU from the Earth.
The TNO is moving 22.5 km/sec on the sky relative to the star, or, 3.5 arcsec/hr.
The 1-sigma error in the time of the event is 725 seconds.
The 1-sigma cross-track error in the shadow position is 2634 km.
The sky-plane scale is 23414.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=230.2 km assuming a 5% albedo -- 10.2 sec chord
Diameter=94.0 km assuming a 30% albedo -- 4.2 sec chord
Dynamical classification is 5:2EEE
 
 
 
 
 
 

Star training set for 14KB102, (2027/07/13 07:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:06.0 -26:29:26  0.9 31.70  19
Nunki          18:56:58.2 -26:15:36  2.0 14.44  51
PPM 234686     18:34:17.7 -14:50:36  5.1  1.93  49
PPM 234704     18:35:06.0 -12:40:58  8.5  0.48  50
PPM 234646     18:32:52.9 -13:05:13  9.9  0.20  49
14KB102        18:33:23.3 -12:55:32 15.3        49
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 1.2 sigma about the mid-time.
The median site spacing is 17.1 km RECON observability=1.0 and success probability=8.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 07:22:31 -16.8 AT Up 26.3 183.5 Low 07:07:31 - 07:37:31 3914
Kelowna 07:22:28 -17.7 AT Up 27.1 184.5 Low 07:07:28 - 07:37:28 3867
Peachland 07:22:30 -17.8 AT Up 27.2 184.2 Low 07:07:30 - 07:37:30 3863
Sleaford 07:21:49 -16.0 AT Down 23.2 198.6 Low 07:06:49 - 07:36:49 3862
Summerland 07:22:29 -18.0 AT Up 27.4 184.3 Low 07:07:29 - 07:37:29 3855
Penticton 07:22:29 -18.0 Dark Up 27.4 184.5 Low 07:07:29 - 07:37:29 3850
Oliver 07:22:29 -18.4 Dark Up 27.8 184.5 Low 07:07:29 - 07:37:29 3832
Victoria 07:22:41 -18.5 Dark Up 28.5 180.3 Low 07:07:41 - 07:37:41 3823
Anarchist Mountain Observatory 07:22:29 -18.6 Dark Up 27.9 184.7 Low 07:07:29 - 07:37:29 3822
Tonasket 07:22:28 -18.9 Dark Up 28.2 184.6 Low 07:07:28 - 07:37:28 3806
Okanogan 07:22:29 -19.2 Dark Up 28.6 184.5 Low 07:07:29 - 07:37:29 3789
Brewster 07:22:30 -19.4 Dark Up 28.9 184.3 Low 07:07:30 - 07:37:30 3776
Manson/Chelan 07:22:31 -19.6 Dark Up 29.1 183.9 Low 07:07:31 - 07:37:31 3767
Wenatchee 07:22:31 -20.0 Dark Up 29.6 183.7 Low 07:07:31 - 07:37:31 3742
Ellensburg 07:22:32 -20.4 Dark Up 30.0 183.5 Low 07:07:32 - 07:37:32 3721
Yakima 07:22:32 -20.8 Dark Up 30.4 183.5 Up 07:07:32 - 07:37:32 3698
Toppenish/White Swan 07:22:32 -21.0 Dark Up 30.6 183.7 Up 07:07:32 - 07:37:32 3685
Goldendale 07:22:33 -21.5 Dark Up 31.2 183.2 Up 07:07:33 - 07:37:33 3656
PNWRO 07:22:26 -21.6 Dark Up 30.9 185.4 Up 07:07:26 - 07:37:26 3652
The Dalles 07:22:34 -21.7 Dark Up 31.4 182.8 Up 07:07:34 - 07:37:34 3646
Maupin 07:22:34 -22.1 Dark Up 31.8 182.9 Up 07:07:34 - 07:37:34 3621
Sisters 07:22:36 -22.9 Dark Up 32.7 182.4 Up 07:07:36 - 07:37:36 3572
Bend 07:22:36 -23.2 Dark Up 33.0 182.7 Up 07:07:36 - 07:37:36 3556
Oregon Observatory 07:22:35 -23.3 Dark Up 33.1 182.6 Up 07:07:35 - 07:37:35 3547
North Lake 07:22:33 -24.0 Dark Up 33.8 183.2 Up 07:07:33 - 07:37:33 3504
Chiloquin 07:22:37 -24.5 Dark Up 34.5 182.1 Up 07:07:37 - 07:37:37 3468
Klamath Falls 07:22:37 -24.9 Dark Up 34.8 182.2 Up 07:07:37 - 07:37:37 3446
Lakeview 07:22:32 -25.1 Dark Up 34.8 183.9 Up 07:07:32 - 07:37:32 3433
Cedarville 07:22:31 -25.8 Dark Up 35.4 184.1 Up 07:07:31 - 07:37:31 3389
Fall River/Burney 07:22:36 -26.1 Dark Up 36.0 182.7 Up 07:07:36 - 07:37:36 3367
Susanville 07:22:33 -26.8 Dark Up 36.6 183.6 Up 07:07:33 - 07:37:33 3320
Greenville 07:22:34 -27.1 Dark Up 36.9 183.3 Up 07:07:34 - 07:37:34 3304
Gimple 07:22:34 -27.1 Dark Up 36.9 183.4 Up 07:07:34 - 07:37:34 3303
Quincy 07:22:34 -27.3 Dark Up 37.1 183.3 Up 07:07:34 - 07:37:34 3290
Portola 07:22:32 -27.5 Dark Up 37.2 183.9 Up 07:07:32 - 07:37:32 3278
Reno 07:22:30 -27.8 Dark Up 37.4 184.7 Up 07:07:30 - 07:37:30 3255
Carson City 07:22:30 -28.2 Dark Up 37.7 184.7 Up 07:07:30 - 07:37:30 3230
Gardnerville 07:22:30 -28.4 Dark Up 38.0 184.8 Up 07:07:30 - 07:37:30 3213
Yerington 07:22:27 -28.5 Dark Up 37.9 185.5 Up 07:07:27 - 07:37:27 3211
Hawthorne 07:22:26 -29.0 Dark Up 38.3 186.2 Up 07:07:26 - 07:37:26 3175
Dunrhomin 07:21:37 -27.8 Dark Down 34.2 201.6 Up 07:06:37 - 07:36:37 3149
Lee Vining 07:22:27 -29.5 Dark Up 38.9 185.6 Up 07:07:27 - 07:37:27 3140
CU-SBO 07:21:37 -28.1 Dark Up 34.4 201.6 Up 07:06:37 - 07:36:37 3133
Tonopah 07:22:20 -29.6 Dark Up 38.6 188.0 Up 07:07:20 - 07:37:20 3129
Bishop 07:22:25 -30.2 Dark Up 39.5 186.6 Up 07:07:25 - 07:37:25 3091
Beatty 07:22:19 -30.8 Dark Up 39.7 188.7 Up 07:07:19 - 07:37:19 3042
Indian Springs 07:22:14 -31.3 Dark Up 39.9 190.0 Up 07:07:14 - 07:37:14 3008
Henderson 07:22:12 -31.9 Dark Up 40.3 191.0 Up 07:07:12 - 07:37:12 2961
Patrick 07:22:07 -32.6 Dark Up 40.8 192.5 Up 07:07:07 - 07:37:07 2903
Laughlin/Bullhead City 07:22:10 -32.8 Dark Up 41.1 191.6 Up 07:07:10 - 07:37:10 2892
Kingman/Dolan Springs 07:22:08 -32.8 Dark Up 41.0 192.3 Up 07:07:08 - 07:37:08 2889
Mohave Valley 07:22:10 -33.0 Dark Up 41.4 191.7 Up 07:07:10 - 07:37:10 2872
Wildwood 07:22:26 -33.3 Dark Up 42.7 186.6 Up 07:07:26 - 07:37:26 2852
Lake Havasu City 07:22:09 -33.4 Dark Up 41.8 192.1 Up 07:07:09 - 07:37:09 2839
Parker 07:22:09 -33.8 Dark Up 42.1 192.2 Up 07:07:09 - 07:37:09 2812
Idyllwild 07:22:18 -34.0 Dark Up 42.9 189.1 Up 07:07:18 - 07:37:18 2807
George/Scottsdale 07:21:59 -34.4 Dark Up 42.0 195.4 Up 07:06:59 - 07:36:59 2752
Calipatria 07:22:13 -34.7 Dark Up 43.3 190.8 Up 07:07:13 - 07:37:13 2746
Yuma 07:22:10 -35.2 Dark Up 43.6 192.0 Up 07:07:10 - 07:37:10 2703

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 14KB102, (2027/07/13 07:23UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 31.70  19
Nunki          18:55:15.9 -26:17:49  2.0 14.44  51
PPM 234686     18:32:43.3 -14:51:57  5.1  1.93  49
PPM 234704     18:33:33.1 -12:42:20  8.5  0.48  50
PPM 234646     18:31:19.8 -13:06:30  9.9  0.20  49
14KB102        18:31:50.3 -12:56:50 15.3        49
Positions are for J2000

Event circumstances last updated at 2022/05/09 22:57:12 UT

Marc W. Buie, Southwest Research Institute

RECON