RECON: TNO occultation with 07JF45

Event between 07JF45 and star GA0780:06346485 with event index number of 1158578

Geocentric closest approach at 2021/06/01 04:24:04 UTC

J2000 position of star is 17:23:29.2 -11:54:36
Equinox of date position of star is 17:24:40.7 -11:55:43
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 68 degrees from the moon. Moon is 62% illuminated.
TNO apparent brightness V=21.9

[RECON map]
TNO is 39.8 AU from the Sun and 38.8 AU from the Earth.
The TNO is moving 24.2 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 106 seconds.
The 1-sigma cross-track error in the shadow position is 1418 km.
The sky-plane scale is 28139.2 km/arcsec.

The TNO has an absolute magnitude Hv=5.9
Diameter=394.5 km assuming a 5% albedo -- 16.3 sec chord
Diameter=161.0 km assuming a 30% albedo -- 6.7 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 07JF45, (2021/06/01 04:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:43.4 -26:28:40  0.9 19.31  77
35Eta Oph      17:11:36.5 -15:45:00  2.6  4.97  70
53Nu Ser       17:22:02.0 -12:52:01  4.0  1.14  69
PPM 233017     17:25:14.5 -11:43:12  8.1  0.25  68
PPM 233009     17:24:41.3 -11:42:23  9.6  0.22  68
07JF45         17:24:41.1 -11:55:43 15.4        68
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 0.0 km RECON observability=0.0 and success probability=0.0%
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 04:26:57 -4.3 CT Down 6.9 118.1 Really Low 04:17:37 - 04:36:16 12525
Kelowna 04:26:58 -4.5 CT Down 7.0 117.9 Really Low 04:17:38 - 04:36:17 12495
Peachland 04:26:59 -4.5 CT Down 6.9 117.6 Really Low 04:17:39 - 04:36:18 12483
Summerland 04:26:59 -4.6 CT Down 7.0 117.7 Really Low 04:17:39 - 04:36:18 12474
Penticton 04:26:58 -4.7 CT Down 7.1 117.8 Really Low 04:17:38 - 04:36:17 12471
Oliver 04:26:59 -4.9 CT Down 7.2 117.7 Really Low 04:17:39 - 04:36:18 12446
Anarchist Mountain Observatory 04:27:00 -5.2 CT Down 7.4 117.9 Really Low 04:17:41 - 04:36:20 12437
Tonasket 04:27:00 -5.3 CT Down 7.5 117.8 Really Low 04:17:41 - 04:36:20 12413
Okanogan 04:27:02 -5.5 CT Down 7.6 117.6 Really Low 04:17:43 - 04:36:22 12387
Brewster 04:27:03 -5.6 CT Down 7.6 117.5 Really Low 04:17:44 - 04:36:23 12363
Manson/Chelan 04:27:04 -5.5 CT Down 7.5 117.1 Really Low 04:17:44 - 04:36:23 12342
Victoria 04:27:05 -3.5 CT Down 5.3 114.7 Really Low 04:17:45 - 04:36:24 12332
Wenatchee 04:27:06 -5.8 CT Down 7.6 117.0 Really Low 04:17:46 - 04:36:25 12304
Ellensburg 04:27:07 -5.9 CT Down 7.7 116.7 Really Low 04:17:47 - 04:36:26 12269
Pasco 04:27:07 -7.2 NT Down 8.9 117.7 Really Low 04:17:47 - 04:36:26 12239
Yakima 04:27:08 -6.2 NT Down 7.9 116.7 Really Low 04:17:49 - 04:36:28 12238
Toppenish/White Swan 04:27:08 -6.4 NT Down 8.1 116.8 Really Low 04:17:49 - 04:36:28 12225
PNWRO 04:27:08 -7.5 NT Down 9.2 117.9 Really Low 04:17:48 - 04:36:27 12224
Goldendale 04:27:11 -6.6 NT Down 8.1 116.4 Really Low 04:17:52 - 04:36:31 12176
The Dalles 04:27:12 -6.5 NT Down 7.9 116.1 Really Low 04:17:52 - 04:36:31 12152
Maupin 04:27:13 -6.9 NT Down 8.2 116.1 Really Low 04:17:53 - 04:36:32 12122
Redmond 04:27:14 -7.4 NT Down 8.5 115.9 Really Low 04:17:55 - 04:36:34 12050
Sisters 04:27:16 -7.2 NT Down 8.3 115.6 Really Low 04:17:56 - 04:36:35 12044
Dunrhomin 04:26:55 -18.4 Dark Down 20.6 127.4 Low 04:17:36 - 04:36:15 12039
Bend 04:27:16 -7.5 NT Down 8.5 115.8 Really Low 04:17:56 - 04:36:35 12031
Oregon Observatory 04:27:15 -7.5 NT Down 8.5 115.7 Really Low 04:17:56 - 04:36:35 12015
La Pine/Gilchrist 04:27:17 -7.6 NT Down 8.6 115.6 Really Low 04:17:57 - 04:36:36 11997
North Lake 04:27:17 -8.3 NT Down 9.2 116.0 Really Low 04:17:57 - 04:36:36 11974
Paisley 04:27:18 -8.8 NT Down 9.6 116.2 Really Low 04:17:58 - 04:36:37 11937
Chiloquin 04:27:20 -8.2 NT Down 8.8 115.2 Really Low 04:18:00 - 04:36:39 11902
Lakeview 04:27:19 -9.3 NT Down 10.0 116.3 Really Low 04:18:00 - 04:36:39 11900
Klamath Falls 04:27:20 -8.4 NT Down 9.0 115.2 Really Low 04:18:01 - 04:36:40 11875
Cedarville 04:27:20 -9.8 NT Down 10.4 116.3 Really Low 04:18:01 - 04:36:40 11850
Fall River/Burney 04:27:23 -9.4 NT Down 9.8 115.3 Really Low 04:18:03 - 04:36:42 11786
Susanville 04:27:23 -10.3 NT Down 10.6 115.8 Really Low 04:18:04 - 04:36:43 11749
Gimple 04:27:25 -10.3 NT Down 10.6 115.6 Really Low 04:18:05 - 04:36:44 11721
Greenville 04:27:25 -10.3 NT Down 10.5 115.5 Really Low 04:18:05 - 04:36:44 11720
Quincy 04:27:25 -10.4 NT Down 10.6 115.5 Really Low 04:18:05 - 04:36:44 11703
Portola 04:27:24 -10.8 NT Down 11.0 115.8 Really Low 04:18:05 - 04:36:44 11702
Reno 04:27:25 -11.3 NT Down 11.5 116.2 Really Low 04:18:05 - 04:36:44 11693
Carson City 04:27:25 -11.6 NT Down 11.7 116.2 Really Low 04:18:05 - 04:36:44 11663
Yerington 04:27:25 -12.1 AT Down 12.2 116.6 Really Low 04:18:05 - 04:36:44 11659
Gardnerville 04:27:26 -11.8 NT Down 11.8 116.1 Really Low 04:18:06 - 04:36:45 11643
Hawthorne 04:27:24 -12.7 AT Down 12.8 116.8 Really Low 04:18:05 - 04:36:44 11631
Tonopah 04:27:23 -13.8 AT Down 14.0 117.7 Really Low 04:18:04 - 04:36:43 11620
Lee Vining 04:27:27 -12.8 AT Down 12.7 116.4 Really Low 04:18:07 - 04:36:46 11573
Bishop 04:27:27 -13.6 AT Down 13.5 116.8 Really Low 04:18:08 - 04:36:47 11536
Beatty 04:27:26 -14.9 AT Down 14.9 117.8 Really Low 04:18:06 - 04:36:45 11530
Indian Springs 04:27:25 -15.7 AT Down 15.8 118.5 Really Low 04:18:05 - 04:36:44 11524
Henderson 04:27:23 -16.5 AT Down 16.5 118.8 Really Low 04:18:04 - 04:36:43 11492
Patrick 04:27:23 -17.6 AT Down 17.6 119.5 Really Low 04:18:03 - 04:36:42 11462
Kingman/Dolan Springs 04:27:23 -17.7 AT Down 17.6 119.3 Really Low 04:18:04 - 04:36:43 11438
Laughlin/Bullhead City 04:27:24 -17.4 AT Down 17.3 118.9 Really Low 04:18:05 - 04:36:44 11425
Mohave Valley 04:27:26 -17.6 AT Down 17.4 118.8 Really Low 04:18:06 - 04:36:45 11401
Lake Havasu City 04:27:25 -18.0 AT Down 17.8 118.9 Really Low 04:18:06 - 04:36:45 11371
George/Scottsdale 04:27:22 -20.0 Dark Down 19.9 120.4 Really Low 04:18:02 - 04:36:41 11356
Parker 04:27:26 -18.3 Dark Down 18.0 118.8 Really Low 04:18:06 - 04:36:45 11341
CPSLO 04:27:34 -13.6 AT Down 12.8 114.8 Really Low 04:18:14 - 04:36:53 11309
Blythe 04:27:27 -18.4 Dark Down 18.0 118.5 Really Low 04:18:08 - 04:36:47 11288
Idyllwild 04:27:31 -17.1 AT Down 16.4 117.1 Really Low 04:18:11 - 04:36:50 11254
Wildwood 04:27:33 -15.7 AT Down 14.8 115.9 Really Low 04:18:13 - 04:36:52 11245
Calipatria 04:27:29 -18.2 Dark Down 17.5 117.7 Really Low 04:18:10 - 04:36:49 11224
Yuma 04:27:29 -19.1 Dark Down 18.4 118.2 Really Low 04:18:09 - 04:36:48 11204

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, (2021/06/01 04:24UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 19.31  77
35Eta Oph      17:10:22.7 -15:43:29  2.6  4.97  70
53Nu Ser       17:20:49.7 -12:50:49  4.0  1.14  69
PPM 233017     17:24:02.8 -11:42:06  8.1  0.25  68
PPM 233009     17:23:29.6 -11:41:16  9.6  0.22  68
07JF45         17:23:29.2 -11:54:36 15.4        68
Positions are for J2000

Event circumstances last updated at 2021/04/19 23:03:36 UT

Marc W. Buie, Southwest Research Institute

RECON