RECON: TNO occultation with 14MH70

Event between 14MH70 and star GA0820:22437210 with event index number of 2510154

Geocentric closest approach at 2027/09/01 06:13:58 UTC

J2000 position of star is 23:25:09.0 -07:13:01
Equinox of date position of star is 23:26:17.5 -07:05:43
Stellar brightness G=14.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 173 degrees from the moon. Moon is 0% illuminated.
TNO apparent brightness V=22.4

[RECON map]
TNO is 45.6 AU from the Sun and 44.6 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 332 seconds.
The 1-sigma cross-track error in the shadow position is 4117 km.
The sky-plane scale is 32381.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=411.2 km assuming a 5% albedo -- 16.4 sec chord
Diameter=167.9 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 14MH70, (2027/09/01 06:18UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:59:10.2 -29:28:29  1.2 23.32 153
Diphda         00:44:58.5 -17:50:07  2.0 21.93 151
PPM 207450     23:22:06.5 -05:45:23  6.0  1.72 175
PPM 207506     23:25:32.4 -07:23:55  7.9  0.42 173
PPM 207526     23:26:21.5 -07:10:25  9.5  0.12 173
14MH70         23:26:34.8 -07:03:52 14.7       173
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 2.7 sigma about the mid-time.
The median site spacing is 13.7 km RECON observability=1.0 and success probability=6.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:14:05 -26.6 Dark Down 23.5 138.3 Low 05:59:05 - 06:29:05 -3031
Victoria 06:14:17 -27.4 Dark Down 23.7 134.8 Low 05:59:17 - 06:29:17 -3057
Peachland 06:14:06 -27.5 Dark Down 24.4 138.6 Low 05:59:06 - 06:29:06 -3075
Kelowna 06:14:05 -27.5 Dark Down 24.5 139.0 Low 05:59:05 - 06:29:05 -3077
Summerland 06:14:07 -27.7 Dark Down 24.6 138.7 Low 05:59:07 - 06:29:07 -3082
Penticton 06:14:07 -27.8 Dark Down 24.7 138.8 Low 05:59:07 - 06:29:07 -3087
Oliver 06:14:08 -28.1 Dark Down 25.0 138.7 Low 05:59:08 - 06:29:08 -3100
Anarchist Mountain Observatory 06:14:08 -28.3 Dark Down 25.2 138.8 Low 05:59:08 - 06:29:08 -3110
Tonasket 06:14:08 -28.6 Dark Down 25.4 138.6 Low 05:59:08 - 06:29:08 -3121
Okanogan 06:14:10 -28.8 Dark Down 25.6 138.4 Low 05:59:10 - 06:29:10 -3131
Brewster 06:14:12 -29.0 Dark Down 25.7 138.1 Low 05:59:12 - 06:29:12 -3138
Manson/Chelan 06:14:12 -29.0 Dark Down 25.7 137.7 Low 05:59:12 - 06:29:12 -3139
Wenatchee 06:14:15 -29.4 Dark Down 25.9 137.4 Low 05:59:15 - 06:29:15 -3155
Ellensburg 06:14:16 -29.7 Dark Down 26.2 137.0 Low 05:59:16 - 06:29:16 -3168
Yakima 06:14:17 -30.0 Dark Down 26.4 136.9 Low 05:59:17 - 06:29:17 -3185
Toppenish/White Swan 06:14:18 -30.3 Dark Down 26.7 137.0 Low 05:59:18 - 06:29:18 -3197
Goldendale 06:14:19 -30.6 Dark Down 26.9 136.4 Low 05:59:19 - 06:29:19 -3212
The Dalles 06:14:21 -30.6 Dark Down 26.9 135.9 Low 05:59:21 - 06:29:21 -3215
Maupin 06:14:22 -31.0 Dark Down 27.2 135.9 Low 05:59:22 - 06:29:22 -3235
PNWRO 06:14:15 -31.1 Dark Down 27.6 138.3 Low 05:59:15 - 06:29:15 -3242
Sisters 06:14:27 -31.6 Dark Down 27.6 135.1 Low 05:59:27 - 06:29:27 -3265
Sleaford 06:13:29 -28.6 Dark Down 27.3 153.4 Low 05:58:29 - 06:28:29 -3268
Bend 06:14:26 -31.9 Dark Down 27.9 135.3 Low 05:59:26 - 06:29:26 -3281
Oregon Observatory 06:14:28 -32.0 Dark Down 28.0 135.1 Low 05:59:28 - 06:29:28 -3286
North Lake 06:14:28 -32.7 Dark Down 28.7 135.4 Low 05:59:28 - 06:29:28 -3327
Chiloquin 06:14:31 -32.9 Dark Down 28.7 134.2 Low 05:59:31 - 06:29:31 -3340
Klamath Falls 06:14:33 -33.3 Dark Down 29.0 134.2 Low 05:59:33 - 06:29:33 -3358
Lakeview 06:14:29 -33.9 Dark Down 29.8 135.5 Low 05:59:29 - 06:29:29 -3389
Fall River/Burney 06:14:35 -34.4 Dark Down 30.0 134.1 Up 05:59:35 - 06:29:35 -3425
Cedarville 06:14:30 -34.5 Dark Down 30.3 135.4 Up 05:59:30 - 06:29:30 -3426
Susanville 06:14:36 -35.2 Dark Down 30.9 134.5 Up 05:59:36 - 06:29:36 -3473
Greenville 06:14:36 -35.3 Dark Down 30.9 134.1 Up 05:59:36 - 06:29:36 -3482
Gimple 06:14:37 -35.4 Dark Down 30.9 134.2 Up 05:59:37 - 06:29:37 -3483
Quincy 06:14:37 -35.5 Dark Down 31.0 134.0 Up 05:59:37 - 06:29:37 -3492
Portola 06:14:36 -35.8 Dark Down 31.4 134.4 Up 05:59:36 - 06:29:36 -3509
Reno 06:14:36 -36.3 Dark Down 31.9 134.9 Up 05:59:36 - 06:29:36 -3537
Carson City 06:14:37 -36.6 Dark Down 32.2 134.8 Up 05:59:37 - 06:29:37 -3557
Gardnerville 06:14:37 -36.8 Dark Down 32.4 134.7 Up 05:59:37 - 06:29:37 -3571
Yerington 06:14:35 -37.0 Dark Down 32.7 135.3 Up 05:59:35 - 06:29:35 -3582
Hawthorne 06:14:35 -37.7 Dark Down 33.3 135.7 Up 05:59:35 - 06:29:35 -3619
Lee Vining 06:14:38 -37.9 Dark Down 33.4 134.9 Up 05:59:38 - 06:29:38 -3640
Tonopah 06:14:33 -38.6 Dark Down 34.4 136.8 Up 05:59:33 - 06:29:33 -3678
Bishop 06:14:37 -38.8 Dark Down 34.3 135.3 Up 05:59:37 - 06:29:37 -3691
Beatty 06:14:34 -39.8 Dark Down 35.5 136.8 Up 05:59:34 - 06:29:34 -3757
Indian Springs 06:14:32 -40.5 Dark Down 36.3 137.7 Up 05:59:32 - 06:29:32 -3802
Henderson 06:14:32 -41.3 Dark Down 37.1 138.1 Up 05:59:32 - 06:29:32 -3852
Dunrhomin 06:13:54 -40.2 Dark Down 38.1 150.8 Up 05:58:54 - 06:28:54 -3861
Wildwood 06:14:47 -41.4 Dark Down 36.5 133.5 Up 05:59:47 - 06:29:47 -3884
Laughlin/Bullhead City 06:14:33 -42.2 Dark Down 38.0 138.1 Up 05:59:33 - 06:29:33 -3917
Patrick 06:14:30 -42.2 Dark Down 38.2 139.0 Up 05:59:30 - 06:29:30 -3919
Kingman/Dolan Springs 06:14:31 -42.4 Dark Down 38.2 138.7 Up 05:59:31 - 06:29:31 -3928
Mohave Valley 06:14:33 -42.4 Dark Down 38.2 138.0 Up 05:59:33 - 06:29:33 -3934
Idyllwild 06:14:44 -42.6 Dark Down 37.8 135.2 Up 05:59:44 - 06:29:44 -3952
Lake Havasu City 06:14:34 -42.9 Dark Down 38.6 138.0 Up 05:59:34 - 06:29:34 -3966
Parker 06:14:34 -43.2 Dark Down 38.9 137.9 Up 05:59:34 - 06:29:34 -3989
Calipatria 06:14:41 -43.6 Dark Down 38.9 136.1 Up 05:59:41 - 06:29:41 -4023
Yuma 06:14:40 -44.3 Dark Down 39.8 136.8 Up 05:59:40 - 06:29:40 -4075
George/Scottsdale 06:14:29 -44.5 Dark Down 40.5 140.3 Up 05:59:29 - 06:29:29 -4081

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 14MH70, (2027/09/01 06:18UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 23.32 153
Diphda         00:43:35.7 -17:59:11  2.0 21.93 151
PPM 207450     23:20:40.8 -05:54:30  6.0  1.72 175
PPM 207506     23:24:06.6 -07:33:03  7.9  0.42 173
PPM 207526     23:24:55.7 -07:19:33  9.5  0.12 173
14MH70         23:25:09.0 -07:13:01 14.7       173
Positions are for J2000

Event circumstances last updated at 2022/01/28 00:36:27 UT

Marc W. Buie, Southwest Research Institute

RECON