RECON: TNO occultation with 13NM24

Event between 13NM24 and star GA0760:24265136 with event index number of 2069691

Geocentric closest approach at 2022/08/11 10:16:25 UTC

J2000 position of star is 22:17:46.1 -13:13:17
Equinox of date position of star is 22:18:56.2 -13:06:42
Stellar brightness G=15.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 22 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 43.7 AU from the Sun and 42.7 AU from the Earth.
The TNO is moving 24.9 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 125 seconds.
The 1-sigma cross-track error in the shadow position is 3528 km.
The sky-plane scale is 30982.8 km/arcsec.

The TNO has an absolute magnitude Hv=6.2
Diameter=343.6 km assuming a 5% albedo -- 13.9 sec chord
Diameter=140.3 km assuming a 30% albedo -- 5.7 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 13NM24, (2022/08/11 10:18UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:53.7 -29:30:07  1.2 18.82  28
42 Aqr         22:18:00.5 -12:43:04  5.1  0.46  22
PPM 240036     22:17:38.1 -13:55:54  8.3  0.89  21
PPM 240065     22:18:46.5 -13:06:12  9.5  0.05  22
13NM24         22:18:58.7 -13:06:28 15.1        22
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 17.4 km RECON observability=1.0 and success probability=2.0%
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 10:14:33 -18.4 Dark Up 24.2 201.1 Low 10:03:36 - 10:25:29 9901
Victoria 10:14:41 -21.3 Dark Up 26.7 197.1 Low 10:03:45 - 10:25:38 9901
Peachland 10:14:32 -19.0 Dark Up 24.8 200.7 Low 10:03:36 - 10:25:29 9884
Kelowna 10:14:31 -18.8 Dark Up 24.6 201.0 Low 10:03:35 - 10:25:28 9883
Summerland 10:14:32 -19.1 Dark Up 24.9 200.9 Low 10:03:36 - 10:25:29 9873
Penticton 10:14:31 -19.1 Dark Up 24.9 201.0 Low 10:03:35 - 10:25:28 9866
Oliver 10:14:31 -19.4 Dark Up 25.3 201.1 Low 10:03:35 - 10:25:28 9846
Anarchist Mountain Observatory 10:14:31 -19.5 Dark Up 25.4 201.3 Low 10:03:34 - 10:25:27 9831
Tonasket 10:14:31 -19.7 Dark Up 25.7 201.3 Low 10:03:34 - 10:25:27 9814
Okanogan 10:14:31 -20.1 Dark Up 26.0 201.2 Low 10:03:35 - 10:25:28 9798
Brewster 10:14:31 -20.4 Dark Up 26.3 201.0 Low 10:03:35 - 10:25:28 9787
Manson/Chelan 10:14:32 -20.7 Dark Up 26.6 200.7 Low 10:03:36 - 10:25:29 9784
Wenatchee 10:14:33 -21.1 Dark Up 27.1 200.6 Low 10:03:36 - 10:25:29 9759
Ellensburg 10:14:34 -21.6 Dark Up 27.5 200.4 Low 10:03:38 - 10:25:31 9740
Yakima 10:14:33 -21.9 Dark Up 27.9 200.5 Low 10:03:36 - 10:25:29 9715
Toppenish/White Swan 10:14:34 -22.0 Dark Up 28.1 200.7 Low 10:03:38 - 10:25:31 9697
Goldendale 10:14:35 -22.7 Dark Up 28.7 200.3 Low 10:03:38 - 10:25:31 9674
The Dalles 10:14:34 -23.0 Dark Up 29.0 200.0 Low 10:03:38 - 10:25:31 9669
Pasco 10:14:29 -21.7 Dark Up 27.9 202.0 Low 10:03:32 - 10:25:25 9657
Maupin 10:14:34 -23.3 Dark Up 29.4 200.2 Low 10:03:37 - 10:25:30 9640
PNWRO 10:14:29 -21.8 Dark Up 28.1 202.3 Low 10:03:32 - 10:25:25 9635
Sisters 10:14:35 -24.2 Dark Up 30.3 199.8 Up 10:03:39 - 10:25:32 9597
Redmond 10:14:34 -24.1 Dark Up 30.2 200.3 Up 10:03:37 - 10:25:30 9585
Bend 10:14:35 -24.3 Dark Up 30.5 200.1 Up 10:03:38 - 10:25:31 9575
Oregon Observatory 10:14:35 -24.5 Dark Up 30.7 200.0 Up 10:03:38 - 10:25:31 9567
La Pine/Gilchrist 10:14:35 -24.7 Dark Up 30.9 200.0 Up 10:03:38 - 10:25:31 9555
North Lake 10:14:33 -24.8 Dark Up 31.1 200.8 Up 10:03:37 - 10:25:30 9510
Chiloquin 10:14:35 -25.8 Dark Up 32.0 199.9 Up 10:03:39 - 10:25:32 9491
Klamath Falls 10:14:36 -26.0 Dark Up 32.3 200.0 Up 10:03:39 - 10:25:32 9466
Paisley 10:14:33 -25.2 Dark Up 31.6 201.3 Up 10:03:36 - 10:25:29 9464
Lakeview 10:14:33 -25.5 Dark Up 32.0 201.6 Up 10:03:36 - 10:25:29 9424
Fall River/Burney 10:14:34 -26.9 Dark Up 33.3 200.7 Up 10:03:38 - 10:25:31 9374
Cedarville 10:14:31 -26.0 Dark Up 32.5 201.9 Up 10:03:35 - 10:25:28 9374
Susanville 10:14:32 -27.1 Dark Up 33.7 201.7 Up 10:03:36 - 10:25:29 9310
Greenville 10:14:33 -27.4 Dark Up 34.0 201.4 Up 10:03:36 - 10:25:29 9299
Gimple 10:14:33 -27.4 Dark Up 34.0 201.5 Up 10:03:36 - 10:25:29 9296
Quincy 10:14:33 -27.6 Dark Up 34.2 201.5 Up 10:03:37 - 10:25:30 9284
Portola 10:14:33 -27.5 Dark Up 34.2 202.0 Up 10:03:36 - 10:25:29 9262
Reno 10:14:30 -27.4 Dark Up 34.3 202.8 Up 10:03:33 - 10:25:26 9224
Carson City 10:14:30 -27.7 Dark Up 34.6 202.9 Up 10:03:33 - 10:25:26 9198
Gardnerville 10:14:30 -27.9 Dark Up 34.8 203.1 Up 10:03:33 - 10:25:26 9178
Yerington 10:14:27 -27.6 Dark Up 34.6 203.7 Up 10:03:30 - 10:25:23 9165
Hawthorne 10:14:25 -27.7 Dark Up 34.8 204.4 Up 10:03:29 - 10:25:22 9115
Lee Vining 10:14:27 -28.4 Dark Up 35.5 204.0 Up 10:03:30 - 10:25:23 9088
Tonopah 10:14:21 -27.4 Dark Up 34.8 206.1 Up 10:03:25 - 10:25:18 9039
Bishop 10:14:25 -28.5 Dark Up 35.8 205.0 Up 10:03:28 - 10:25:21 9022
Beatty 10:14:20 -28.1 Dark Up 35.7 207.0 Up 10:03:23 - 10:25:16 8937
CPSLO 10:14:33 -31.2 Dark Up 38.4 203.1 Up 10:03:36 - 10:25:29 8932
Indian Springs 10:14:16 -27.8 Dark Up 35.6 208.3 Up 10:03:20 - 10:25:13 8879
Dunrhomin 10:13:49 -19.4 Dark Up 28.0 217.8 Low 10:02:52 - 10:24:45 8845
Henderson 10:14:15 -27.8 Dark Up 35.8 209.2 Up 10:03:19 - 10:25:12 8816
Wildwood 10:14:25 -31.2 Dark Up 38.8 205.9 Up 10:03:29 - 10:25:22 8775
Laughlin/Bullhead City 10:14:13 -28.2 Dark Up 36.4 210.0 Up 10:03:16 - 10:25:09 8735
Patrick 10:14:10 -27.7 Dark Up 35.9 210.6 Up 10:03:14 - 10:25:07 8732
Kingman/Dolan Springs 10:14:12 -28.0 Dark Up 36.1 210.5 Up 10:03:15 - 10:25:08 8721
Mohave Valley 10:14:13 -28.4 Dark Up 36.6 210.1 Up 10:03:16 - 10:25:09 8713
Idyllwild 10:14:19 -30.5 Dark Up 38.5 208.1 Up 10:03:22 - 10:25:15 8688
Lake Havasu City 10:14:12 -28.6 Dark Up 36.8 210.5 Up 10:03:15 - 10:25:08 8673
Parker 10:14:13 -28.8 Dark Up 37.1 210.7 Up 10:03:16 - 10:25:09 8644
Blythe 10:14:14 -29.4 Dark Up 37.7 210.5 Up 10:03:17 - 10:25:10 8611
Calipatria 10:14:15 -30.3 Dark Up 38.5 209.7 Up 10:03:19 - 10:25:12 8600
Yuma 10:14:13 -30.1 Dark Up 38.5 210.9 Up 10:03:16 - 10:25:09 8536
George/Scottsdale 10:14:05 -27.8 Dark Up 36.4 213.4 Up 10:03:08 - 10:25:01 8532

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 13NM24, (2022/08/11 10:18UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:24  1.2 18.82  28
42 Aqr         22:16:48.0 -12:49:53  5.1  0.46  22
PPM 240036     22:16:25.3 -14:02:42  8.3  0.89  21
PPM 240065     22:17:33.9 -13:13:01  9.5  0.05  22
13NM24         22:17:46.1 -13:13:17 15.1        22
Positions are for J2000

Event circumstances last updated at 2021/10/26 23:54:50 UT

Marc W. Buie, Southwest Research Institute

RECON