RECON: TNO occultation with 578997

Event between (578997) 14JR92 and star GA0860:08204238 with event index number of 2783428

Geocentric closest approach at 2029/05/30 06:25:01 UTC

J2000 position of star is 18:33:33.1 -02:55:27
Equinox of date position of star is 18:34:42.8 -02:54:21
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 20 degrees from the moon. Moon is 92% illuminated.
TNO apparent brightness V=23.4

[RECON map]
TNO is 35.3 AU from the Sun and 34.5 AU from the Earth.
The TNO is moving 20.8 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 395 seconds.
The 1-sigma cross-track error in the shadow position is 2979 km.
The sky-plane scale is 25034.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.9
Diameter=157.8 km assuming a 5% albedo -- 7.6 sec chord
Diameter=64.4 km assuming a 30% albedo -- 3.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 578997, (2029/05/30 06:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.9 -26:29:40  0.9 37.91  33
60Bet Oph      17:44:55.6 +04:33:25  2.8 14.58  32
60 Ser         18:31:12.8 -01:57:50  5.4  1.35  21
PPM 180355     18:33:18.3 -02:23:43  8.4  0.67  20
PPM 201858     18:35:28.6 -02:47:46  8.7  0.14  20
578997         18:35:05.5 -02:53:59 15.4        20
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 2.3 sigma about the mid-time.
The median site spacing is 25.2 km RECON observability=1.0 and success probability=0.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 06:27:25 -15.7 AT Up 25.7 135.3 Low 06:12:25 - 06:42:25 11571
Kamloops 06:28:00 -14.8 AT Up 19.6 121.3 Really Low 06:13:00 - 06:43:00 11367
Kelowna 06:28:01 -15.7 AT Up 20.5 121.9 Low 06:13:01 - 06:43:01 11312
Peachland 06:28:02 -15.8 AT Up 20.4 121.6 Low 06:13:02 - 06:43:02 11302
Summerland 06:28:03 -15.9 AT Up 20.5 121.6 Low 06:13:03 - 06:43:03 11291
Penticton 06:28:02 -16.0 AT Up 20.6 121.7 Low 06:13:02 - 06:43:02 11287
Oliver 06:28:03 -16.4 AT Up 20.8 121.6 Low 06:13:03 - 06:43:03 11260
Anarchist Mountain Observatory 06:28:04 -16.6 AT Up 21.0 121.7 Low 06:13:04 - 06:43:04 11249
Tonasket 06:28:04 -16.8 AT Up 21.1 121.5 Low 06:13:04 - 06:43:04 11225
Okanogan 06:28:05 -17.1 AT Up 21.2 121.3 Low 06:13:05 - 06:43:05 11198
Victoria 06:28:13 -16.0 AT Up 19.0 118.0 Really Low 06:13:13 - 06:43:13 11182
Brewster 06:28:07 -17.3 AT Up 21.3 121.0 Low 06:13:07 - 06:43:07 11175
Manson/Chelan 06:28:08 -17.4 AT Up 21.2 120.6 Low 06:13:08 - 06:43:08 11156
Wenatchee 06:28:10 -17.8 AT Up 21.3 120.3 Low 06:13:10 - 06:43:10 11118
Ellensburg 06:28:11 -18.2 Dark Up 21.4 120.0 Low 06:13:11 - 06:43:11 11084
Yakima 06:28:12 -18.5 Dark Up 21.6 119.9 Low 06:13:12 - 06:43:12 11051
Toppenish/White Swan 06:28:13 -18.8 Dark Up 21.8 119.9 Low 06:13:13 - 06:43:13 11035
PNWRO 06:28:11 -19.5 Dark Up 22.9 121.1 Low 06:13:11 - 06:43:11 11017
Goldendale 06:28:15 -19.2 Dark Up 21.8 119.4 Low 06:13:15 - 06:43:15 10987
The Dalles 06:28:16 -19.3 Dark Up 21.7 119.0 Low 06:13:16 - 06:43:16 10966
Maupin 06:28:17 -19.7 Dark Up 22.0 119.0 Low 06:13:17 - 06:43:17 10933
Sisters 06:28:22 -20.4 Dark Up 22.1 118.2 Low 06:13:22 - 06:43:22 10857
Bend 06:28:21 -20.7 Dark Up 22.4 118.4 Low 06:13:21 - 06:43:21 10839
Oregon Observatory 06:28:23 -20.8 Dark Up 22.4 118.2 Low 06:13:23 - 06:43:23 10824
North Lake 06:28:22 -21.5 Dark Up 23.0 118.4 Low 06:13:22 - 06:43:22 10775
Chiloquin 06:28:26 -21.9 Dark Up 22.7 117.4 Low 06:13:26 - 06:43:26 10710
Lakeview 06:28:24 -22.7 Dark Up 23.9 118.5 Low 06:13:24 - 06:43:24 10689
Klamath Falls 06:28:27 -22.2 Dark Up 22.9 117.3 Low 06:13:27 - 06:43:27 10681
Dunrhomin 06:27:46 -27.5 Dark Up 34.3 131.1 Up 06:12:46 - 06:42:46 10654
Cedarville 06:28:25 -23.3 Dark Up 24.3 118.4 Low 06:13:25 - 06:43:25 10635
CU-SBO 06:27:47 -27.8 Dark Up 34.4 130.9 Up 06:12:47 - 06:42:47 10631
Fall River/Burney 06:28:29 -23.4 Dark Up 23.7 117.2 Low 06:13:29 - 06:43:29 10583
Susanville 06:28:30 -24.2 Dark Up 24.5 117.5 Low 06:13:30 - 06:43:30 10534
Gimple 06:28:30 -24.4 Dark Up 24.5 117.3 Low 06:13:30 - 06:43:30 10508
Greenville 06:28:30 -24.4 Dark Up 24.5 117.2 Low 06:13:30 - 06:43:30 10507
Quincy 06:28:30 -24.6 Dark Up 24.6 117.1 Low 06:13:30 - 06:43:30 10489
Portola 06:28:30 -24.8 Dark Up 24.9 117.4 Low 06:13:30 - 06:43:30 10482
Reno 06:28:28 -25.3 Dark Up 25.5 117.9 Low 06:13:28 - 06:43:28 10464
Carson City 06:28:30 -25.6 Dark Up 25.7 117.7 Low 06:13:30 - 06:43:30 10433
Yerington 06:28:29 -26.0 Dark Up 26.2 118.2 Low 06:13:29 - 06:43:29 10421
Gardnerville 06:28:30 -25.8 Dark Up 25.8 117.7 Low 06:13:30 - 06:43:30 10411
Hawthorne 06:28:28 -26.6 Dark Up 26.8 118.4 Low 06:13:28 - 06:43:28 10384
Tonopah 06:28:25 -27.4 Dark Up 28.0 119.3 Low 06:13:25 - 06:43:25 10354
Lee Vining 06:28:31 -26.9 Dark Up 26.7 117.7 Low 06:13:31 - 06:43:31 10329
Bishop 06:28:30 -27.7 Dark Up 27.5 118.0 Low 06:13:30 - 06:43:30 10281
Beatty 06:28:27 -28.6 Dark Up 28.9 119.1 Low 06:13:27 - 06:43:27 10253
Indian Springs 06:28:24 -29.2 Dark Up 29.8 119.9 Low 06:13:24 - 06:43:24 10233
Henderson 06:28:24 -29.9 Dark Up 30.5 120.2 Up 06:13:24 - 06:43:24 10190
Patrick 06:28:21 -30.8 Dark Up 31.6 120.8 Up 06:13:21 - 06:43:21 10143
Kingman/Dolan Springs 06:28:23 -30.9 Dark Up 31.6 120.5 Up 06:13:23 - 06:43:23 10121
Laughlin/Bullhead City 06:28:24 -30.8 Dark Up 31.3 120.1 Up 06:13:24 - 06:43:24 10113
Mohave Valley 06:28:24 -31.1 Dark Up 31.4 119.9 Up 06:13:24 - 06:43:24 10088
Lake Havasu City 06:28:25 -31.5 Dark Up 31.8 119.9 Up 06:13:25 - 06:43:25 10053
Parker 06:28:25 -31.9 Dark Up 32.0 119.7 Up 06:13:25 - 06:43:25 10021
George/Scottsdale 06:28:18 -32.9 Dark Up 33.9 121.5 Up 06:13:18 - 06:43:18 10004
Wildwood 06:28:38 -30.7 Dark Up 28.9 116.4 Low 06:13:38 - 06:43:38 9977
Idyllwild 06:28:33 -31.6 Dark Up 30.4 117.6 Up 06:13:33 - 06:43:33 9961
Calipatria 06:28:31 -32.5 Dark Up 31.6 118.2 Up 06:13:31 - 06:43:31 9913
Yuma 06:28:28 -33.1 Dark Up 32.5 118.7 Up 06:13:28 - 06:43:28 9881

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 578997, (2029/05/30 06:25UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 37.91  33
60Bet Oph      17:43:28.3 +04:34:06  2.8 14.58  32
60 Ser         18:29:41.0 -01:59:08  5.4  1.35  21
PPM 180355     18:31:46.2 -02:25:06  8.4  0.67  20
PPM 201858     18:33:56.3 -02:49:14  8.7  0.14  20
578997         18:33:33.1 -02:55:27 15.4        20
Positions are for J2000

Event circumstances last updated at 2022/03/06 01:35:50 UT

Marc W. Buie, Southwest Research Institute

RECON