RECON: TNO occultation with 07RW326

Event between 07RW326 and star GA1120:00023571 with event index number of 2029704

Geocentric closest approach at 2023/09/23 06:38:26 UTC

J2000 position of star is 00:11:00.2 +23:14:39
Equinox of date position of star is 00:12:08.0 +23:21:56
Stellar brightness G=14.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 98 degrees from the moon. Moon is 55% illuminated.
TNO apparent brightness V=24.3

[RECON map]
TNO is 36.3 AU from the Sun and 35.4 AU from the Earth.
The TNO is moving 23.7 km/sec on the sky relative to the star, or, 3.3 arcsec/hr.
The 1-sigma error in the time of the event is 432 seconds.
The 1-sigma cross-track error in the shadow position is 4795 km.
The sky-plane scale is 25686.1 km/arcsec.

The TNO has an absolute magnitude Hv=8.7
Diameter=104.7 km assuming a 5% albedo -- 4.6 sec chord
Diameter=42.8 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 07RW326, (2023/09/23 06:37UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:42:14.5 +45:21:58  1.3 47.55  80
Algenib        00:14:27.6 +15:18:55  2.8  8.08  94
PPM 089549     00:16:09.9 +22:24:58  6.0  1.32  98
PPM 089485     00:12:38.1 +23:57:01  8.4  0.58  98
PPM 089473     00:11:46.1 +23:46:55  9.8  0.42  98
PPM 089471     00:11:38.7 +23:17:28 10.2  0.16  97
07RW326        00:12:13.9 +23:22:34 14.4        98
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 2.1 sigma about the mid-time.
The median site spacing is 22.8 km RECON observability=1.0 and success probability=10.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 06:38:52 -37.9 Dark Down 58.1 133.6 Up 06:23:52 - 06:53:52 -439
Clarence Fulton 06:38:38 -37.5 Dark Down 58.6 141.8 Up 06:23:38 - 06:53:38 -444
Peachland 06:38:40 -37.9 Dark Down 58.8 140.5 Up 06:23:40 - 06:53:40 -469
Kelowna 06:38:39 -37.8 Dark Down 58.9 141.1 Up 06:23:39 - 06:53:39 -470
Summerland 06:38:40 -38.0 Dark Down 59.0 140.5 Up 06:23:40 - 06:53:40 -484
Penticton 06:38:40 -38.1 Dark Down 59.1 140.6 Up 06:23:40 - 06:53:40 -493
Oliver 06:38:41 -38.4 Dark Down 59.3 140.3 Up 06:23:41 - 06:53:41 -521
Anarchist Mountain Observatory 06:38:41 -38.6 Dark Down 59.6 140.4 Up 06:23:41 - 06:53:41 -541
Tonasket 06:38:42 -38.9 Dark Down 59.8 140.0 Up 06:23:42 - 06:53:42 -564
Okanogan 06:38:43 -39.2 Dark Down 60.0 139.3 Up 06:23:43 - 06:53:43 -586
Brewster 06:38:45 -39.4 Dark Down 60.1 138.7 Up 06:23:45 - 06:53:45 -601
Manson/Chelan 06:38:46 -39.5 Dark Down 60.1 137.9 Up 06:23:46 - 06:53:46 -605
Wenatchee 06:38:48 -39.8 Dark Down 60.3 137.1 Up 06:23:48 - 06:53:48 -638
Ellensburg 06:38:49 -40.2 Dark Down 60.5 136.2 Up 06:23:49 - 06:53:49 -663
Yakima 06:38:50 -40.5 Dark Down 60.8 135.7 Up 06:23:50 - 06:53:50 -696
Toppenish/White Swan 06:38:51 -40.8 Dark Down 61.1 135.7 Up 06:23:51 - 06:53:51 -720
Goldendale 06:38:53 -41.1 Dark Down 61.3 134.3 Up 06:23:53 - 06:53:53 -750
The Dalles 06:38:55 -41.2 Dark Down 61.2 133.4 Up 06:23:55 - 06:53:55 -755
Pasco 06:38:48 -41.2 Dark Down 61.8 137.6 Up 06:23:48 - 06:53:48 -776
Maupin 06:38:56 -41.6 Dark Down 61.6 133.1 Up 06:23:56 - 06:53:56 -794
PNWRO 06:38:48 -41.5 Dark Down 62.0 137.7 Up 06:23:48 - 06:53:48 -805
Sisters 06:38:59 -42.3 Dark Down 61.9 131.1 Up 06:23:59 - 06:53:59 -848
Redmond 06:38:58 -42.4 Dark Down 62.1 131.7 Up 06:23:58 - 06:53:58 -866
Bend 06:38:59 -42.6 Dark Down 62.2 131.2 Up 06:23:59 - 06:53:59 -878
Oregon Observatory 06:39:00 -42.7 Dark Down 62.3 130.7 Up 06:24:00 - 06:54:00 -888
La Pine/Gilchrist 06:39:01 -42.8 Dark Down 62.4 130.3 Up 06:24:01 - 06:54:01 -903
North Lake 06:39:00 -43.4 Dark Down 63.0 130.6 Up 06:24:00 - 06:54:00 -963
Chiloquin 06:39:05 -43.7 Dark Down 62.9 128.1 Up 06:24:05 - 06:54:05 -983
Klamath Falls 06:39:05 -44.0 Dark Down 63.1 127.7 Up 06:24:05 - 06:54:05 -1015
Paisley 06:39:01 -44.0 Dark Down 63.5 130.4 Up 06:24:01 - 06:54:01 -1024
Lakeview 06:39:02 -44.6 Dark Down 64.0 129.9 Up 06:24:02 - 06:54:02 -1075
Fall River/Burney 06:39:08 -45.2 Dark Down 64.1 126.4 Up 06:24:08 - 06:54:08 -1132
Cedarville 06:39:03 -45.2 Dark Down 64.5 129.2 Up 06:24:03 - 06:54:03 -1138
Susanville 06:39:07 -46.0 Dark Down 64.9 126.6 Up 06:24:07 - 06:54:07 -1216
Greenville 06:39:09 -46.2 Dark Down 64.9 125.6 Up 06:24:09 - 06:54:09 -1228
Gimple 06:39:09 -46.2 Dark Down 64.9 125.8 Up 06:24:09 - 06:54:09 -1232
Quincy 06:39:09 -46.4 Dark Down 65.0 125.3 Up 06:24:09 - 06:54:09 -1246
Portola 06:39:08 -46.6 Dark Down 65.4 125.8 Up 06:24:08 - 06:54:08 -1277
Reno 06:39:07 -47.1 Dark Down 65.9 126.4 Up 06:24:07 - 06:54:07 -1326
Carson City 06:39:08 -47.4 Dark Down 66.2 125.8 Up 06:24:08 - 06:54:08 -1359
Gardnerville 06:39:08 -47.7 Dark Down 66.3 125.4 Up 06:24:08 - 06:54:08 -1383
Yerington 06:39:06 -47.8 Dark Down 66.7 126.5 Up 06:24:06 - 06:54:06 -1402
Hawthorne 06:39:06 -48.4 Dark Down 67.3 126.5 Up 06:24:06 - 06:54:06 -1465
Lee Vining 06:39:09 -48.8 Dark Down 67.3 124.6 Up 06:24:09 - 06:54:09 -1496
Tonopah 06:39:03 -49.3 Dark Down 68.4 128.1 Up 06:24:03 - 06:54:03 -1565
Bishop 06:39:08 -49.6 Dark Down 68.1 124.6 Up 06:24:08 - 06:54:08 -1580
CPSLO 06:39:20 -50.5 Dark Up 67.6 116.7 Up 06:24:20 - 06:54:20 -1672
Beatty 06:39:04 -50.5 Dark Down 69.4 126.6 Up 06:24:04 - 06:54:04 -1689
Indian Springs 06:39:02 -51.2 Dark Down 70.3 127.9 Up 06:24:02 - 06:54:02 -1764
Dunrhomin 06:38:19 -49.6 Dark Down 72.1 160.3 Up 06:23:19 - 06:53:19 -1811
Henderson 06:39:01 -51.9 Dark Down 71.1 128.1 Up 06:24:01 - 06:54:01 -1842
Wildwood 06:39:16 -52.4 Dark Up 69.7 117.1 Up 06:24:16 - 06:54:16 -1872
Laughlin/Bullhead City 06:39:01 -52.8 Dark Down 71.9 126.9 Up 06:24:01 - 06:54:01 -1940
Patrick 06:38:58 -52.8 Dark Down 72.2 129.0 Up 06:23:58 - 06:53:58 -1946
Kingman/Dolan Springs 06:39:00 -52.9 Dark Down 72.2 128.0 Up 06:24:00 - 06:54:00 -1959
Mohave Valley 06:39:02 -53.1 Dark Down 72.0 126.3 Up 06:24:02 - 06:54:02 -1966
Idyllwild 06:39:12 -53.4 Dark Up 71.2 119.3 Up 06:24:12 - 06:54:12 -1985
Lake Havasu City 06:39:02 -53.5 Dark Down 72.4 125.8 Up 06:24:02 - 06:54:02 -2014
Parker 06:39:03 -53.9 Dark Down 72.7 124.9 Up 06:24:03 - 06:54:03 -2049
Blythe 06:39:05 -54.2 Dark Down 72.8 122.9 Up 06:24:05 - 06:54:05 -2086
Calipatria 06:39:09 -54.4 Dark Up 72.4 119.8 Up 06:24:09 - 06:54:09 -2093
Yuma 06:39:07 -55.1 Dark Down 73.2 120.3 Up 06:24:07 - 06:54:07 -2172
George/Scottsdale 06:38:56 -54.9 Dark Down 74.5 129.2 Up 06:23:56 - 06:53:56 -2189

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 07RW326, (2023/09/23 06:37UT)
Object            RA         Dec     mag  sep  mel
Deneb          20:41:25.9 +45:16:49  1.3 47.55  80
Algenib        00:13:14.2 +15:11:01  2.8  8.08  94
PPM 089549     00:14:56.0 +22:17:03  6.0  1.32  98
PPM 089485     00:11:24.4 +23:49:06  8.4  0.58  98
PPM 089473     00:10:32.4 +23:39:00  9.8  0.42  98
PPM 089471     00:10:25.1 +23:09:34 10.2  0.16  97
07RW326        00:11:00.2 +23:14:39 14.4        98
Positions are for J2000

Event circumstances last updated at 2021/10/27 00:04:28 UT

Marc W. Buie, Southwest Research Institute

RECON