RECON: TNO occultation with 04KJ19

Event between 04KJ19 and star GA0780:06615397 with event index number of 1077567

Geocentric closest approach at 2022/06/15 07:52:24 UTC

J2000 position of star is 17:29:43.1 -11:43:22
Equinox of date position of star is 17:30:48.2 -11:44:13
Stellar brightness G=13.8, use SENSEUP=64
Star is 20 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 36.3 AU from the Sun and 35.3 AU from the Earth.
The TNO is moving 24.3 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 275 seconds.
The 1-sigma cross-track error in the shadow position is 3060 km.
The sky-plane scale is 25578.1 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=232.3 km assuming a 5% albedo -- 9.6 sec chord
Diameter=94.8 km assuming a 30% albedo -- 3.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 04KJ19, (2022/06/15 07:52UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:47.3 -26:28:48  0.9 20.44  26
35Eta Oph      17:11:40.0 -15:45:04  2.6  6.17  21
PPM 233365     17:39:24.3 -10:56:16  5.7  2.22  20
PPM 233145     17:31:03.2 -11:09:36  7.7  0.58  21
PPM 233150     17:31:12.8 -11:37:09  9.4  0.13  20
04KJ19         17:30:58.3 -11:44:20 13.8        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 3.3 sigma about the mid-time.
The median site spacing is 13.9 km RECON observability=1.0 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)
Kelowna 07:52:55 -16.8 AT Up 28.4 180.0 Low 07:37:55 - 08:07:55 111
Summerland 07:52:55 -17.1 AT Up 28.7 179.7 Low 07:37:55 - 08:07:55 93
Penticton 07:52:55 -17.1 AT Up 28.7 179.8 Low 07:37:55 - 08:07:55 90
Okanagan Falls 07:52:55 -17.3 AT Up 28.9 179.8 Low 07:37:55 - 08:07:55 80
Oliver 07:52:55 -17.5 AT Up 29.1 179.8 Low 07:37:55 - 08:07:55 72
Anarchist Mountain Observatory 07:52:54 -17.7 AT Up 29.3 180.0 Low 07:37:54 - 08:07:54 64
Oroville 07:52:55 -17.7 AT Up 29.3 179.9 Low 07:37:55 - 08:07:55 59
Tonasket 07:52:54 -18.0 AT Up 29.6 179.9 Low 07:37:54 - 08:07:54 47
Okanogan 07:52:55 -18.3 Dark Up 29.9 179.8 Low 07:37:55 - 08:07:55 27
Brewster 07:52:55 -18.6 Dark Up 30.2 179.5 Up 07:37:55 - 08:07:55 10
Manson/Chelan 07:52:56 -18.8 Dark Up 30.4 179.1 Up 07:37:56 - 08:07:56 -5
Entiat 07:52:57 -19.0 Dark Up 30.6 179.0 Up 07:37:57 - 08:07:57 -18
Wenatchee 07:52:57 -19.3 Dark Up 30.9 178.9 Up 07:37:57 - 08:07:57 -34
Ellensburg 07:52:57 -19.7 Dark Up 31.3 178.7 Up 07:37:57 - 08:07:57 -60
Yakima 07:52:57 -20.1 Dark Up 31.7 178.7 Up 07:37:57 - 08:07:57 -83
Pasco 07:52:53 -20.4 Dark Up 32.0 180.3 Up 07:37:53 - 08:07:53 -88
Toppenish/White Swan 07:52:57 -20.3 Dark Up 31.9 178.8 Up 07:37:57 - 08:07:57 -94
PNWRO 07:52:52 -20.7 Dark Up 32.3 180.6 Up 07:37:52 - 08:07:52 -101
George/Umatilla 07:52:53 -20.8 Dark Up 32.4 180.0 Up 07:37:53 - 08:07:53 -110
Goldendale 07:52:58 -20.8 Dark Up 32.4 178.3 Up 07:37:58 - 08:07:58 -131
The Dalles 07:52:59 -21.0 Dark Up 32.7 177.9 Up 07:37:59 - 08:07:59 -148
Maupin 07:52:59 -21.5 Dark Up 33.1 178.0 Up 07:37:59 - 08:07:59 -172
Madras/Culver 07:52:59 -22.0 Dark Up 33.6 178.0 Up 07:37:59 - 08:07:59 -206
Redmond 07:52:59 -22.4 Dark Up 34.0 177.9 Up 07:37:59 - 08:07:59 -229
Sisters 07:53:00 -22.3 Dark Up 33.9 177.4 Up 07:38:00 - 08:08:00 -232
Bend 07:52:59 -22.6 Dark Up 34.2 177.7 Up 07:37:59 - 08:07:59 -244
Oregon Observatory 07:53:00 -22.7 Dark Up 34.4 177.6 Up 07:38:00 - 08:08:00 -256
La Pine/Gilchrist 07:53:00 -22.9 Dark Up 34.6 177.5 Up 07:38:00 - 08:08:00 -270
North Lake 07:52:58 -23.4 Dark Up 35.0 178.2 Up 07:37:58 - 08:07:58 -290
Paisley 07:52:56 -24.0 Dark Up 35.6 178.6 Up 07:37:56 - 08:07:56 -322
Chiloquin 07:53:01 -24.0 Dark Up 35.7 177.0 Up 07:38:01 - 08:08:01 -345
Lakeview 07:52:55 -24.5 Dark Up 36.1 178.8 Up 07:37:55 - 08:07:55 -352
Niwot 07:52:03 -25.5 Dark Up 36.6 197.2 Up 07:37:03 - 08:07:03 -354
SwRI 07:52:03 -25.6 Dark Up 36.7 197.1 Up 07:37:03 - 08:07:03 -362
Klamath Falls 07:53:00 -24.4 Dark Up 36.0 177.1 Up 07:38:00 - 08:08:00 -366
Tulelake 07:52:59 -24.7 Dark Up 36.3 177.5 Up 07:37:59 - 08:07:59 -380
Cedarville 07:52:55 -25.1 Dark Up 36.7 179.0 Up 07:37:55 - 08:07:55 -394
Fall River/Burney 07:52:59 -25.6 Dark Up 37.2 177.5 Up 07:37:59 - 08:07:59 -440
Susanville 07:52:56 -26.2 Dark Up 37.8 178.4 Up 07:37:56 - 08:07:56 -474
Gimple 07:52:57 -26.5 Dark Up 38.1 178.2 Up 07:37:57 - 08:07:57 -495
Greenville 07:52:57 -26.5 Dark Up 38.1 178.1 Up 07:37:57 - 08:07:57 -496
Quincy 07:52:57 -26.7 Dark Up 38.3 178.1 Up 07:37:57 - 08:07:57 -510
Portola 07:52:55 -26.8 Dark Up 38.5 178.6 Up 07:37:55 - 08:07:55 -513
Reno 07:52:53 -27.1 Dark Up 38.7 179.4 Up 07:37:53 - 08:07:53 -524
Carson City 07:52:53 -27.5 Dark Up 39.1 179.5 Up 07:37:53 - 08:07:53 -548
Yerington 07:52:51 -27.7 Dark Up 39.3 180.3 Up 07:37:51 - 08:07:51 -555
Gardnerville 07:52:52 -27.7 Dark Up 39.3 179.5 Up 07:37:52 - 08:07:52 -565
Hawthorne 07:52:48 -28.2 Dark Up 39.7 180.9 Up 07:37:48 - 08:07:48 -581
Tonopah 07:52:43 -28.6 Dark Up 40.2 182.7 Up 07:37:43 - 08:07:43 -599
Lee Vining 07:52:50 -28.7 Dark Up 40.3 180.3 Up 07:37:50 - 08:07:50 -627
Bishop 07:52:47 -29.3 Dark Up 40.9 181.2 Up 07:37:47 - 08:07:47 -661
Beatty 07:52:41 -29.8 Dark Up 41.3 183.3 Up 07:37:41 - 08:07:41 -677
Indian Springs 07:52:37 -30.1 Dark Up 41.6 184.8 Up 07:37:37 - 08:07:37 -689
Lone Pine 07:52:46 -30.1 Dark Up 41.7 181.7 Up 07:37:46 - 08:07:46 -713
Henderson 07:52:34 -30.6 Dark Up 42.1 185.7 Up 07:37:34 - 08:07:34 -721
Patrick 07:52:30 -31.1 Dark Up 42.6 187.2 Up 07:37:30 - 08:07:30 -756
Searchlight/Boulder City 07:52:34 -31.1 Dark Up 42.6 185.8 Up 07:37:34 - 08:07:34 -763
DCO 07:52:27 -31.4 Dark Up 42.8 188.2 Up 07:37:27 - 08:07:27 -772
Kingman/Dolan Springs 07:52:30 -31.4 Dark Up 42.8 187.0 Up 07:37:30 - 08:07:30 -775
Laughlin/Bullhead City 07:52:32 -31.4 Dark Up 42.9 186.3 Up 07:37:32 - 08:07:32 -781
Mohave Valley 07:52:32 -31.7 Dark Up 43.2 186.3 Up 07:37:32 - 08:07:32 -802
Lake Havasu City 07:52:31 -32.1 Dark Up 43.5 186.7 Up 07:37:31 - 08:07:31 -829
CPSLO 07:52:55 -31.3 Dark Up 43.0 178.3 Up 07:37:55 - 08:07:55 -839
Parker 07:52:31 -32.4 Dark Up 43.9 186.8 Up 07:37:31 - 08:07:31 -856
Blythe 07:52:32 -33.0 Dark Up 44.4 186.5 Up 07:37:32 - 08:07:32 -899
Wildwood 07:52:47 -32.6 Dark Up 44.2 181.0 Up 07:37:47 - 08:07:47 -907
Idyllwild 07:52:39 -32.9 Dark Up 44.5 183.6 Up 07:37:39 - 08:07:39 -913
Calipatria 07:52:35 -33.5 Dark Up 45.0 185.2 Up 07:37:35 - 08:07:35 -947
Yuma 07:52:31 -33.9 Dark Up 45.4 186.5 Up 07:37:31 - 08:07:31 -971

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 04KJ19, (2022/06/15 07:52UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 20.44  26
35Eta Oph      17:10:22.7 -15:43:29  2.6  6.17  21
PPM 233365     17:38:09.5 -10:55:35  5.7  2.22  20
PPM 233145     17:29:48.3 -11:08:38  7.7  0.58  21
PPM 233150     17:29:57.7 -11:36:12  9.4  0.13  20
04KJ19         17:29:43.1 -11:43:22 13.8        20
Positions are for J2000

Event circumstances last updated at 2019/06/13 21:22:08 UT

Marc W. Buie, Southwest Research Institute

RECON