RECON: TNO occultation with 09ME10

Event between 09ME10 and star GA0960:00019045 with event index number of 2364506

Geocentric closest approach at 2028/11/17 06:06:29 UTC

J2000 position of star is 00:12:02.5 +07:36:12
Equinox of date position of star is 00:13:16.0 +07:44:08
Stellar brightness G=15.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 121 degrees from the moon. Moon is 1% illuminated.
Apparent brightness V=22.0

[RECON map]
Object is 23.0 AU from the Sun and 22.3 AU from the Earth.
Apparent velocity is 12.8 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 150 seconds.
The 1-sigma cross-track error in the shadow position is 1759 km.
The sky-plane scale is 16203.1 km/arcsec.

The object has an absolute magnitude Hv=8.2
Diameter=136.8 km assuming a 5% albedo -- 10.9 sec chord
Diameter=55.8 km assuming a 30% albedo -- 4.4 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 09ME10, (2028/11/17 06:04UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:14:43.6 +15:20:38  2.8  7.59 124
41 Psc         00:22:05.2 +08:21:01  5.4  2.20 123
PPM 143232     00:12:44.8 +08:06:31  8.5  0.40 121
PPM 143250     00:13:54.1 +07:59:32 10.4  0.25 121
09ME10         00:13:31.6 +07:45:49 15.9       122
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 26.6 km RECON observability=1.0 and success probability=3.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 06:02:06 -52.3 Dark Down 42.6 213.1 Up 05:49:08 - 06:15:04 5807
Kelowna 06:02:03 -53.3 Dark Down 42.9 214.7 Up 05:49:05 - 06:15:01 5712
Peachland 06:02:04 -53.2 Dark Down 43.1 214.4 Up 05:49:06 - 06:15:02 5710
Victoria 06:02:22 -52.4 Dark Down 45.4 210.4 Up 05:49:24 - 06:15:20 5698
Summerland 06:02:04 -53.4 Dark Down 43.2 214.6 Up 05:49:06 - 06:15:02 5694
Penticton 06:02:03 -53.5 Dark Down 43.2 214.7 Up 05:49:05 - 06:15:01 5686
Oliver 06:02:03 -53.7 Dark Down 43.5 214.9 Up 05:49:05 - 06:15:01 5654
Anarchist Mountain Observatory 06:02:02 -53.9 Dark Down 43.6 215.3 Up 05:49:04 - 06:15:00 5634
Sleaford 06:01:05 -55.7 Dark Down 35.7 228.9 Up 05:48:07 - 06:14:03 5613
Okanogan 06:02:04 -54.3 Dark Down 44.2 215.3 Up 05:49:06 - 06:15:02 5582
Brewster 06:02:05 -54.4 Dark Down 44.5 215.3 Up 05:49:07 - 06:15:03 5562
Manson/Chelan 06:02:07 -54.4 Dark Down 44.8 214.9 Up 05:49:09 - 06:15:05 5553
Wenatchee 06:02:08 -54.6 Dark Down 45.2 215.0 Up 05:49:10 - 06:15:06 5515
Ellensburg 06:02:09 -54.8 Dark Down 45.7 214.9 Up 05:49:11 - 06:15:07 5484
Yakima 06:02:10 -55.1 Dark Down 46.0 215.1 Up 05:49:12 - 06:15:08 5447
Toppenish/White Swan 06:02:09 -55.3 Dark Down 46.1 215.5 Up 05:49:11 - 06:15:07 5423
The Dalles 06:02:14 -55.4 Dark Down 47.1 214.9 Up 05:49:16 - 06:15:12 5374
PNWRO 06:02:02 -56.3 Dark Down 45.8 217.6 Up 05:49:04 - 06:15:00 5348
Maupin 06:02:13 -55.8 Dark Down 47.4 215.3 Up 05:49:15 - 06:15:11 5332
Sisters 06:02:17 -56.1 Dark Down 48.3 215.3 Up 05:49:19 - 06:15:15 5265
Bend 06:02:16 -56.4 Dark Down 48.4 215.8 Up 05:49:18 - 06:15:14 5236
Oregon Observatory 06:02:17 -56.4 Dark Down 48.6 215.7 Up 05:49:19 - 06:15:15 5224
Chiloquin 06:02:20 -57.0 Dark Down 49.8 216.1 Up 05:49:22 - 06:15:18 5113
Klamath Falls 06:02:20 -57.2 Dark Down 50.0 216.4 Up 05:49:22 - 06:15:18 5078
Cedarville 06:02:12 -58.6 Dark Down 49.9 219.1 Up 05:49:14 - 06:15:10 4965
Fall River/Burney 06:02:20 -58.2 Dark Down 50.8 217.8 Up 05:49:22 - 06:15:18 4955
Greenville 06:02:19 -59.0 Dark Down 51.3 219.1 Up 05:49:21 - 06:15:17 4855
Gimple 06:02:18 -59.0 Dark Down 51.3 219.2 Up 05:49:20 - 06:15:16 4852
Quincy 06:02:18 -59.1 Dark Down 51.5 219.3 Up 05:49:20 - 06:15:16 4836
Portola 06:02:16 -59.4 Dark Down 51.3 220.0 Up 05:49:18 - 06:15:14 4809
Reno 06:02:12 -60.0 Dark Down 51.2 221.1 Up 05:49:14 - 06:15:10 4764
Carson City 06:02:13 -60.2 Dark Down 51.5 221.4 Up 05:49:15 - 06:15:11 4728
Gardnerville 06:02:13 -60.4 Dark Down 51.6 221.7 Up 05:49:15 - 06:15:11 4703
Yerington 06:02:10 -60.7 Dark Down 51.3 222.4 Up 05:49:12 - 06:15:08 4690
Hawthorne 06:02:07 -61.3 Dark Down 51.4 223.5 Up 05:49:09 - 06:15:05 4628
Lee Vining 06:02:11 -61.3 Dark Down 52.0 223.4 Up 05:49:13 - 06:15:09 4588
Bishop 06:02:08 -62.1 Dark Down 52.1 224.9 Up 05:49:10 - 06:15:06 4507
Dunrhomin 06:00:55 -66.8 Dark Down 42.4 237.4 Up 05:47:57 - 06:13:53 4440
Nikitin 06:00:55 -66.9 Dark Down 42.5 237.5 Up 05:47:57 - 06:13:53 4422
CU-SBO 06:00:56 -67.0 Dark Down 42.6 237.5 Up 05:47:58 - 06:13:54 4417
Beatty 06:01:59 -63.5 Dark Down 51.5 227.4 Up 05:49:01 - 06:14:57 4411
Wildwood 06:02:13 -63.7 Dark Down 54.4 227.8 Up 05:49:15 - 06:15:11 4188
Patrick 06:01:44 -66.2 Dark Down 50.7 232.3 Up 05:48:46 - 06:14:42 4176
Laughlin/Bullhead City 06:01:48 -65.9 Dark Down 51.3 231.7 Up 05:48:50 - 06:14:46 4172
Lake Havasu City 06:01:48 -66.4 Dark Down 51.5 232.7 Up 05:48:50 - 06:14:46 4096
Idyllwild 06:02:03 -65.2 Dark Down 53.5 230.6 Up 05:49:05 - 06:15:01 4092
Calipatria 06:01:57 -66.4 Dark Down 53.1 232.7 Up 05:48:59 - 06:14:55 3993
George/Scottsdale 06:01:35 -68.5 Dark Down 50.3 236.2 Up 05:48:37 - 06:14:33 3944
Yuma 06:01:52 -67.2 Dark Down 52.8 234.2 Up 05:48:54 - 06:14:50 3922

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 09ME10, (2028/11/17 06:04UT)
Object            RA         Dec     mag  sep  mel
Algenib        00:13:14.2 +15:11:01  2.8  7.59 124
41 Psc         00:20:35.9 +08:11:25  5.4  2.20 123
PPM 143232     00:11:15.7 +07:56:53  8.5  0.40 121
PPM 143250     00:12:25.0 +07:49:54 10.4  0.25 121
09ME10         00:12:02.5 +07:36:12 15.9       121
Positions are for J2000

Event circumstances last updated at 2023/10/28 01:03:57 UT

Marc W. Buie, Southwest Research Institute

RECON