RECON: TNO occultation with 00OU69

Event between 00OU69 and star GA0740:29280391 with event index number of 1175775

Geocentric closest approach at 2022/08/29 05:23:59 UTC

J2000 position of star is 22:13:42.9 -15:36:07
Equinox of date position of star is 22:14:53.4 -15:29:36
Stellar brightness G=16.8, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 152 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=22.8

[RECON map]
TNO is 41.2 AU from the Sun and 40.2 AU from the Earth.
The TNO is moving 24.5 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 129 seconds.
The 1-sigma cross-track error in the shadow position is 1912 km.
The sky-plane scale is 29172.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=271.7 km assuming a 5% albedo -- 11.1 sec chord
Diameter=110.9 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00OU69, (2022/08/29 05:26UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:53.8 -29:30:06  1.2 17.28 151
PPM 239990     22:15:51.7 -15:42:27  6.5  0.31 152
PPM 239992     22:15:57.8 -15:35:19  7.9  0.27 152
PPM 239985     22:15:43.9 -15:27:51  9.6  0.19 152
00OU69         22:14:56.3 -15:29:20 16.8       152
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 12.7 km RECON observability=0.8 and success probability=9.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 05:24:08 -21.6 Dark Down 17.6 145.3 Really Low 05:12:55 - 05:35:22 1812
Kelowna 05:24:10 -21.9 Dark Down 17.8 145.1 Really Low 05:12:56 - 05:35:23 1802
Peachland 05:24:11 -21.8 Dark Down 17.8 144.8 Really Low 05:12:57 - 05:35:24 1802
Victoria 05:24:23 -21.1 Dark Down 17.4 141.2 Really Low 05:13:10 - 05:35:37 1798
Summerland 05:24:11 -22.0 Dark Down 18.0 144.9 Really Low 05:12:57 - 05:35:24 1797
Penticton 05:24:11 -22.1 Dark Down 18.1 144.9 Really Low 05:12:57 - 05:35:24 1793
Oliver 05:24:12 -22.3 Dark Down 18.4 144.9 Really Low 05:12:58 - 05:35:25 1782
Anarchist Mountain Observatory 05:24:11 -22.5 Dark Down 18.6 145.0 Really Low 05:12:58 - 05:35:25 1775
Tonasket 05:24:13 -22.7 Dark Down 18.8 144.9 Really Low 05:13:00 - 05:35:27 1766
Okanogan 05:24:14 -22.9 Dark Down 19.0 144.7 Really Low 05:13:00 - 05:35:27 1756
Brewster 05:24:16 -23.0 Dark Down 19.2 144.5 Really Low 05:13:02 - 05:35:29 1749
Manson/Chelan 05:24:17 -23.0 Dark Down 19.2 144.1 Really Low 05:13:03 - 05:35:30 1746
Wenatchee 05:24:18 -23.3 Dark Down 19.5 143.8 Really Low 05:13:04 - 05:35:31 1732
Ellensburg 05:24:19 -23.5 Dark Down 19.8 143.5 Really Low 05:13:06 - 05:35:33 1720
Yakima 05:24:21 -23.8 Dark Down 20.1 143.4 Low 05:13:07 - 05:35:34 1705
Toppenish/White Swan 05:24:21 -24.0 Dark Down 20.3 143.6 Low 05:13:07 - 05:35:34 1696
Goldendale 05:24:24 -24.2 Dark Down 20.6 143.1 Low 05:13:10 - 05:35:37 1680
Pasco 05:24:18 -24.7 Dark Down 20.9 144.7 Low 05:13:04 - 05:35:31 1677
The Dalles 05:24:25 -24.2 Dark Down 20.6 142.7 Low 05:13:11 - 05:35:38 1675
PNWRO 05:24:18 -25.0 Dark Down 21.2 144.9 Low 05:13:05 - 05:35:32 1666
Maupin 05:24:26 -24.6 Dark Down 21.0 142.7 Low 05:13:12 - 05:35:39 1658
Sisters 05:24:29 -24.9 Dark Down 21.5 142.0 Low 05:13:16 - 05:35:43 1630
Redmond 05:24:28 -25.2 Dark Down 21.7 142.4 Low 05:13:15 - 05:35:42 1624
Bend 05:24:29 -25.2 Dark Down 21.8 142.2 Low 05:13:16 - 05:35:43 1617
Oregon Observatory 05:24:30 -25.3 Dark Down 21.9 142.0 Low 05:13:17 - 05:35:44 1612
La Pine/Gilchrist 05:24:31 -25.4 Dark Down 22.0 141.9 Low 05:13:18 - 05:35:45 1604
North Lake 05:24:30 -26.0 Dark Down 22.6 142.4 Low 05:13:16 - 05:35:43 1580
Chiloquin 05:24:35 -26.0 Dark Down 22.7 141.3 Low 05:13:22 - 05:35:49 1561
Paisley 05:24:31 -26.6 Dark Down 23.2 142.6 Low 05:13:17 - 05:35:44 1552
Klamath Falls 05:24:36 -26.3 Dark Down 23.0 141.3 Low 05:13:22 - 05:35:49 1545
Lakeview 05:24:32 -27.1 Dark Down 23.7 142.6 Low 05:13:18 - 05:35:45 1528
Cedarville 05:24:33 -27.6 Dark Down 24.3 142.6 Low 05:13:19 - 05:35:46 1497
Fall River/Burney 05:24:37 -27.3 Dark Down 24.1 141.4 Low 05:13:24 - 05:35:51 1488
Susanville 05:24:37 -28.2 Dark Down 25.0 141.9 Low 05:13:24 - 05:35:51 1451
Greenville 05:24:38 -28.2 Dark Down 25.1 141.5 Low 05:13:25 - 05:35:52 1441
Gimple 05:24:38 -28.3 Dark Down 25.1 141.6 Low 05:13:24 - 05:35:51 1440
Quincy 05:24:39 -28.3 Dark Down 25.2 141.5 Low 05:13:26 - 05:35:53 1431
Portola 05:24:38 -28.7 Dark Down 25.6 141.9 Low 05:13:25 - 05:35:52 1420
Reno 05:24:37 -29.2 Dark Down 26.1 142.4 Low 05:13:23 - 05:35:50 1399
Carson City 05:24:38 -29.5 Dark Down 26.4 142.3 Low 05:13:24 - 05:35:51 1382
Gardnerville 05:24:38 -29.7 Dark Down 26.6 142.3 Low 05:13:24 - 05:35:51 1369
Yerington 05:24:36 -30.0 Dark Down 26.8 142.8 Low 05:13:23 - 05:35:50 1364
Hawthorne 05:24:36 -30.6 Dark Down 27.4 143.2 Low 05:13:22 - 05:35:49 1334
Lee Vining 05:24:38 -30.7 Dark Down 27.7 142.6 Low 05:13:25 - 05:35:52 1312
Tonopah 05:24:33 -31.7 Dark Down 28.5 144.4 Low 05:13:19 - 05:35:46 1291
Bishop 05:24:38 -31.6 Dark Down 28.5 143.1 Low 05:13:25 - 05:35:52 1270
Beatty 05:24:35 -32.8 Dark Down 29.6 144.5 Low 05:13:21 - 05:35:48 1223
Dunrhomin 05:23:52 -35.5 Dark Down 31.1 157.1 Up 05:12:38 - 05:35:05 1194
Indian Springs 05:24:32 -33.6 Dark Down 30.4 145.4 Up 05:13:18 - 05:35:45 1189
CPSLO 05:24:50 -31.7 Dark Down 29.0 140.3 Low 05:13:36 - 05:36:03 1188
Henderson 05:24:31 -34.4 Dark Down 31.1 145.9 Up 05:13:17 - 05:35:44 1148
Patrick 05:24:29 -35.5 Dark Down 32.2 146.8 Up 05:13:15 - 05:35:42 1095
Laughlin/Bullhead City 05:24:31 -35.3 Dark Down 32.0 146.0 Up 05:13:17 - 05:35:44 1092
Wildwood 05:24:46 -33.8 Dark Down 31.0 141.8 Up 05:13:33 - 05:36:00 1092
Kingman/Dolan Springs 05:24:30 -35.5 Dark Down 32.3 146.5 Up 05:13:16 - 05:35:43 1086
Mohave Valley 05:24:32 -35.5 Dark Down 32.3 145.9 Up 05:13:18 - 05:35:45 1077
Lake Havasu City 05:24:32 -35.9 Dark Down 32.7 146.0 Up 05:13:19 - 05:35:46 1049
Idyllwild 05:24:41 -35.1 Dark Down 32.2 143.4 Up 05:13:28 - 05:35:55 1044
Parker 05:24:33 -36.2 Dark Down 33.0 145.9 Up 05:13:19 - 05:35:46 1028
Blythe 05:24:35 -36.4 Dark Down 33.3 145.5 Up 05:13:22 - 05:35:49 1002
Calipatria 05:24:39 -36.2 Dark Down 33.3 144.4 Up 05:13:26 - 05:35:53 988
George/Scottsdale 05:24:26 -37.8 Dark Down 34.5 148.3 Up 05:13:12 - 05:35:39 961
Yuma 05:24:37 -37.1 Dark Down 34.1 145.1 Up 05:13:23 - 05:35:50 947

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 00OU69, (2022/08/29 05:26UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 17.28 151
PPM 239990     22:14:38.2 -15:49:14  6.5  0.31 152
PPM 239992     22:14:44.4 -15:42:06  7.9  0.27 152
PPM 239985     22:14:30.6 -15:34:38  9.6  0.19 152
00OU69         22:13:42.9 -15:36:07 16.8       152
Positions are for J2000

Event circumstances last updated at 2021/10/03 01:49:00 UT

Marc W. Buie, Southwest Research Institute

RECON