RECON: TNO occultation with 07JF45

Event between 07JF45 and star GA0780:06535407 with event index number of 2022350

Geocentric closest approach at 2022/06/18 10:51:15 UTC

J2000 position of star is 17:27:59.3 -11:56:52
Equinox of date position of star is 17:29:13.8 -11:57:53
Stellar brightness G=14.2, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 63 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=21.8

[RECON map]
TNO is 39.9 AU from the Sun and 38.9 AU from the Earth.
The TNO is moving 24.5 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 120 seconds.
The 1-sigma cross-track error in the shadow position is 1512 km.
The sky-plane scale is 28191.6 km/arcsec.

The TNO has an absolute magnitude Hv=5.8
Diameter=407.4 km assuming a 5% albedo -- 16.6 sec chord
Diameter=166.3 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 07JF45, (2022/06/18 10:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.3 -26:28:48  0.9 19.99  73
35Eta Oph      17:11:40.1 -15:45:04  2.6  5.70  66
53Nu Ser       17:22:05.5 -12:52:04  4.0  1.97  64
PPM 233104     17:29:03.4 -12:12:13  8.1  0.24  63
PPM 233106     17:29:06.5 -11:59:50  9.0  0.05  63
07JF45         17:29:14.7 -11:57:53 14.2        62
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 20.8 km RECON observability=0.5 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 10:49:25 -7.3 NT Up 15.4 227.6 Really Low 10:38:53 - 10:59:57 -1766
Kelowna 10:49:21 -7.6 NT Up 15.5 228.5 Really Low 10:38:49 - 10:59:53 -1819
Peachland 10:49:21 -7.8 NT Up 15.7 228.3 Really Low 10:38:49 - 10:59:53 -1822
Summerland 10:49:21 -7.9 NT Up 15.8 228.4 Really Low 10:38:49 - 10:59:53 -1831
Sleaford 10:49:04 -0.1 Sun up Up 7.4 239.6 Really Low 10:38:32 - 10:59:36 -1832
Penticton 10:49:20 -7.9 NT Up 15.8 228.5 Really Low 10:38:48 - 10:59:52 -1836
Oliver 10:49:19 -8.1 NT Up 16.0 228.6 Really Low 10:38:47 - 10:59:51 -1856
Victoria 10:49:26 -10.2 NT Up 18.3 225.3 Really Low 10:38:54 - 10:59:58 -1860
Anarchist Mountain Observatory 10:49:18 -8.2 NT Up 16.0 228.8 Really Low 10:38:46 - 10:59:50 -1867
Tonasket 10:49:18 -8.5 NT Up 16.3 228.8 Really Low 10:38:46 - 10:59:50 -1885
Okanogan 10:49:17 -8.8 NT Up 16.6 228.7 Really Low 10:38:45 - 10:59:49 -1903
Brewster 10:49:17 -9.1 NT Up 16.9 228.6 Really Low 10:38:45 - 10:59:49 -1917
Manson/Chelan 10:49:17 -9.4 NT Up 17.2 228.3 Really Low 10:38:45 - 10:59:49 -1925
Wenatchee 10:49:16 -9.9 NT Up 17.6 228.3 Really Low 10:38:44 - 10:59:48 -1952
Ellensburg 10:49:16 -10.3 NT Up 18.0 228.2 Really Low 10:38:44 - 10:59:48 -1975
Yakima 10:49:15 -10.6 NT Up 18.2 228.3 Really Low 10:38:43 - 10:59:47 -1999
Toppenish/White Swan 10:49:14 -10.7 NT Up 18.3 228.5 Really Low 10:38:42 - 10:59:46 -2014
Goldendale 10:49:14 -11.3 NT Up 18.9 228.2 Really Low 10:38:42 - 10:59:46 -2044
PNWRO 10:49:09 -10.3 NT Up 17.8 229.8 Really Low 10:38:37 - 10:59:41 -2051
The Dalles 10:49:14 -11.7 NT Up 19.2 228.0 Really Low 10:38:42 - 10:59:46 -2055
Maupin 10:49:12 -11.9 NT Up 19.5 228.2 Really Low 10:38:40 - 10:59:44 -2082
Sisters 10:49:12 -12.9 AT Up 20.3 228.0 Low 10:38:40 - 10:59:44 -2132
Bend 10:49:10 -12.9 AT Up 20.3 228.2 Low 10:38:38 - 10:59:42 -2150
Oregon Observatory 10:49:10 -13.1 AT Up 20.5 228.2 Low 10:38:38 - 10:59:42 -2160
North Lake 10:49:08 -13.4 AT Up 20.7 228.8 Low 10:38:36 - 10:59:40 -2207
Chiloquin 10:49:08 -14.4 AT Up 21.6 228.2 Low 10:38:36 - 10:59:40 -2243
Klamath Falls 10:49:07 -14.6 AT Up 21.8 228.4 Low 10:38:35 - 10:59:39 -2266
Lakeview 10:49:04 -14.0 AT Up 21.1 229.6 Low 10:38:32 - 10:59:36 -2283
Cedarville 10:49:02 -14.4 AT Up 21.4 229.9 Low 10:38:30 - 10:59:34 -2330
Fall River/Burney 10:49:04 -15.4 AT Up 22.4 229.0 Low 10:38:32 - 10:59:36 -2351
Susanville 10:49:01 -15.5 AT Up 22.4 229.9 Low 10:38:29 - 10:59:33 -2402
Greenville 10:49:01 -15.9 AT Up 22.7 229.7 Low 10:38:29 - 10:59:33 -2419
Gimple 10:49:00 -15.8 AT Up 22.7 229.8 Low 10:38:28 - 10:59:32 -2420
Quincy 10:49:00 -16.0 AT Up 22.9 229.8 Low 10:38:28 - 10:59:32 -2433
Portola 10:48:59 -15.9 AT Up 22.7 230.2 Low 10:38:27 - 10:59:31 -2447
Reno 10:48:57 -15.8 AT Up 22.5 230.8 Low 10:38:25 - 10:59:29 -2473
Carson City 10:48:56 -16.0 AT Up 22.7 231.0 Low 10:38:24 - 10:59:28 -2498
Gardnerville 10:48:56 -16.2 AT Up 22.8 231.1 Low 10:38:24 - 10:59:28 -2517
Yerington 10:48:54 -15.9 AT Up 22.4 231.5 Low 10:38:22 - 10:59:26 -2519
Hawthorne 10:48:51 -16.0 AT Up 22.4 232.1 Low 10:38:19 - 10:59:23 -2559
Lee Vining 10:48:51 -16.6 AT Up 23.0 231.9 Low 10:38:19 - 10:59:23 -2595
Dunrhomin 10:48:28 -7.4 NT Up 12.8 242.0 Really Low 10:37:56 - 10:59:00 -2601
Tonopah 10:48:47 -15.6 AT Up 21.8 233.4 Low 10:38:15 - 10:59:19 -2609
CU-SBO 10:48:28 -7.6 NT Up 13.0 241.9 Really Low 10:37:56 - 10:59:00 -2618
Bishop 10:48:49 -16.7 AT Up 22.9 232.7 Low 10:38:17 - 10:59:21 -2648
Beatty 10:48:43 -16.2 AT Up 22.2 234.1 Low 10:38:11 - 10:59:15 -2702
Indian Springs 10:48:40 -15.9 AT Up 21.7 235.1 Low 10:38:08 - 10:59:12 -2740
Henderson 10:48:37 -15.9 AT Up 21.5 235.8 Low 10:38:05 - 10:59:09 -2790
Patrick 10:48:34 -15.7 AT Up 21.1 236.8 Low 10:38:02 - 10:59:06 -2852
Laughlin/Bullhead City 10:48:35 -16.3 AT Up 21.7 236.4 Low 10:38:03 - 10:59:07 -2863
Kingman/Dolan Springs 10:48:34 -16.0 AT Up 21.4 236.8 Low 10:38:02 - 10:59:06 -2867
Mohave Valley 10:48:34 -16.5 AT Up 21.9 236.5 Low 10:38:02 - 10:59:06 -2884
Wildwood 10:48:42 -19.3 Dark Up 25.1 233.7 Low 10:38:10 - 10:59:14 -2898
Lake Havasu City 10:48:33 -16.6 AT Up 22.0 236.8 Low 10:38:01 - 10:59:05 -2919
Parker 10:48:32 -16.8 AT Up 22.1 236.9 Low 10:38:00 - 10:59:04 -2948
Idyllwild 10:48:37 -18.5 Dark Up 24.0 235.3 Low 10:38:05 - 10:59:09 -2949
George/Scottsdale 10:48:25 -15.7 AT Up 20.7 238.8 Low 10:37:53 - 10:58:57 -3014
Calipatria 10:48:33 -18.3 Dark Up 23.5 236.4 Low 10:38:01 - 10:59:05 -3014
Yuma 10:48:30 -18.1 Dark Up 23.2 237.2 Low 10:37:58 - 10:59:02 -3060

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 07JF45, (2022/06/18 10:51UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.99  73
35Eta Oph      17:10:22.7 -15:43:29  2.6  5.70  66
53Nu Ser       17:20:49.7 -12:50:49  4.0  1.97  64
PPM 233104     17:27:47.9 -12:11:11  8.1  0.24  63
PPM 233106     17:27:51.1 -11:58:48  9.0  0.05  63
07JF45         17:27:59.3 -11:56:52 14.2        63
Positions are for J2000

Event circumstances last updated at 2022/03/14 01:04:00 UT

Marc W. Buie, Southwest Research Institute

RECON