RECON: TNO occultation with 04KV18

Event between 04KV18 and star GA0760:13840512 with event index number of 2564644

Geocentric closest approach at 2024/06/16 04:48:51 UTC

J2000 position of star is 18:28:58.7 -13:55:48
Equinox of date position of star is 18:30:14.4 -13:54:51
Stellar brightness G=16.9, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 80 degrees from the moon. Moon is 68% illuminated.
TNO apparent brightness V=23.6

[RECON map]
TNO is 30.8 AU from the Sun and 29.8 AU from the Earth.
The TNO is moving 23.6 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 278 seconds.
The 1-sigma cross-track error in the shadow position is 1898 km.
The sky-plane scale is 21639.7 km/arcsec.

The TNO has an absolute magnitude Hv=8.7
Diameter=110.2 km assuming a 5% albedo -- 4.7 sec chord
Diameter=45.0 km assuming a 30% albedo -- 1.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04KV18, (2024/06/16 04:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:54.7 -26:29:03  0.9 30.61  53
Nunki          18:56:46.8 -26:15:51  2.0 13.81  85
PPM 234686     18:34:07.1 -14:50:45  5.1  1.30  81
PPM 234541     18:28:20.4 -13:50:18  8.3  0.50  80
PPM 234616     18:31:17.4 -14:03:11  9.2  0.26  80
04KV18         18:30:22.0 -13:54:45 16.9        81
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 3.2 sigma about the mid-time.
The median site spacing is **** km RECON observability=0.1 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)
Sleaford 04:50:55 -9.1 NT Up 13.2 134.7 Really Low 04:35:55 - 05:05:55 9999
Kamloops 04:51:24 -4.9 CT Up 7.1 122.3 Really Low 04:36:24 - 05:06:24 9711
Kelowna 04:51:25 -5.9 CT Up 8.0 122.9 Really Low 04:36:25 - 05:06:25 9676
Peachland 04:51:26 -5.8 CT Up 7.9 122.7 Really Low 04:36:26 - 05:06:26 9665
Summerland 04:51:27 -6.0 CT Up 8.0 122.7 Really Low 04:36:27 - 05:06:27 9657
Penticton 04:51:27 -6.1 NT Up 8.1 122.8 Really Low 04:36:27 - 05:06:27 9655
Oliver 04:51:27 -6.3 NT Up 8.3 122.8 Really Low 04:36:27 - 05:06:27 9633
Anarchist Mountain Observatory 04:51:28 -6.5 NT Up 8.5 122.9 Really Low 04:36:28 - 05:06:28 9626
Tonasket 04:51:28 -6.7 NT Up 8.7 122.8 Really Low 04:36:28 - 05:06:28 9605
Okanogan 04:51:30 -6.9 NT Up 8.8 122.7 Really Low 04:36:30 - 05:06:30 9581
Brewster 04:51:31 -7.0 NT Up 8.8 122.5 Really Low 04:36:31 - 05:06:31 9561
Manson/Chelan 04:51:32 -7.0 NT Up 8.7 122.2 Really Low 04:36:32 - 05:06:32 9541
Victoria 04:51:35 -5.0 CT Up 6.5 119.7 Really Low 04:36:35 - 05:06:35 9528
Wenatchee 04:51:34 -7.3 NT Up 8.9 122.0 Really Low 04:36:34 - 05:06:34 9508
Ellensburg 04:51:35 -7.5 NT Up 8.9 121.7 Really Low 04:36:35 - 05:06:35 9477
Yakima 04:51:37 -7.8 NT Up 9.2 121.7 Really Low 04:36:37 - 05:06:37 9450
PNWRO 04:51:36 -9.0 NT Up 10.4 122.9 Really Low 04:36:36 - 05:06:36 9440
Toppenish/White Swan 04:51:36 -8.0 NT Up 9.4 121.8 Really Low 04:36:36 - 05:06:36 9439
Goldendale 04:51:39 -8.2 NT Up 9.4 121.4 Really Low 04:36:39 - 05:06:39 9394
The Dalles 04:51:41 -8.2 NT Up 9.3 121.1 Really Low 04:36:41 - 05:06:41 9373
Maupin 04:51:42 -8.6 NT Up 9.6 121.1 Really Low 04:36:42 - 05:06:42 9346
Sisters 04:51:45 -9.0 NT Up 9.8 120.6 Really Low 04:36:45 - 05:06:45 9277
Dunrhomin 04:51:21 -19.5 Dark Up 21.8 132.8 Low 04:36:21 - 05:06:21 9272
Bend 04:51:45 -9.3 NT Up 10.0 120.8 Really Low 04:36:45 - 05:06:45 9265
CU-SBO 04:51:22 -19.7 Dark Up 21.9 132.6 Low 04:36:22 - 05:06:22 9252
Oregon Observatory 04:51:46 -9.3 NT Up 10.0 120.6 Really Low 04:36:46 - 05:06:46 9251
North Lake 04:51:47 -10.0 NT Up 10.7 121.0 Really Low 04:36:47 - 05:06:47 9215
Lakeview 04:51:49 -11.1 NT Up 11.6 121.2 Really Low 04:36:49 - 05:06:49 9149
Chiloquin 04:51:50 -10.0 NT Up 10.5 120.1 Really Low 04:36:50 - 05:06:50 9149
Klamath Falls 04:51:51 -10.3 NT Up 10.7 120.1 Really Low 04:36:51 - 05:06:51 9125
Cedarville 04:51:49 -11.7 NT Up 12.1 121.2 Really Low 04:36:49 - 05:06:49 9104
Fall River/Burney 04:51:53 -11.4 NT Up 11.5 120.2 Really Low 04:36:53 - 05:06:53 9046
Susanville 04:51:54 -12.2 AT Up 12.3 120.7 Really Low 04:36:54 - 05:06:54 9013
Gimple 04:51:54 -12.3 AT Up 12.3 120.5 Really Low 04:36:54 - 05:06:54 8988
Greenville 04:51:55 -12.3 AT Up 12.3 120.4 Really Low 04:36:55 - 05:06:55 8986
Quincy 04:51:56 -12.4 AT Up 12.4 120.4 Really Low 04:36:56 - 05:06:56 8971
Portola 04:51:56 -12.8 AT Up 12.8 120.7 Really Low 04:36:56 - 05:06:56 8971
Reno 04:51:54 -13.3 AT Up 13.3 121.1 Really Low 04:36:54 - 05:06:54 8963
Carson City 04:51:55 -13.6 AT Up 13.5 121.1 Really Low 04:36:55 - 05:06:55 8936
Yerington 04:51:55 -14.1 AT Up 14.1 121.5 Really Low 04:36:55 - 05:06:55 8933
Gardnerville 04:51:56 -13.8 AT Up 13.7 121.0 Really Low 04:36:56 - 05:06:56 8918
Hawthorne 04:51:54 -14.7 AT Up 14.7 121.8 Really Low 04:36:54 - 05:06:54 8907
Tonopah 04:51:53 -15.8 AT Up 15.8 122.7 Really Low 04:36:53 - 05:06:53 8898
Lee Vining 04:51:57 -14.8 AT Up 14.6 121.3 Really Low 04:36:57 - 05:06:57 8855
Bishop 04:51:57 -15.7 AT Up 15.4 121.7 Really Low 04:36:57 - 05:06:57 8821
Beatty 04:51:54 -16.9 AT Up 16.8 122.7 Really Low 04:36:54 - 05:06:54 8816
Indian Springs 04:51:53 -17.7 AT Up 17.7 123.4 Really Low 04:36:53 - 05:06:53 8811
Henderson 04:51:53 -18.5 Dark Up 18.4 123.8 Really Low 04:36:53 - 05:06:53 8782
Patrick 04:51:52 -19.5 Dark Up 19.5 124.5 Really Low 04:36:52 - 05:06:52 8753
Kingman/Dolan Springs 04:51:53 -19.6 Dark Up 19.5 124.3 Really Low 04:36:53 - 05:06:53 8732
Laughlin/Bullhead City 04:51:54 -19.3 Dark Up 19.2 123.9 Really Low 04:36:54 - 05:06:54 8720
Mohave Valley 04:51:55 -19.5 Dark Up 19.4 123.8 Really Low 04:36:55 - 05:06:55 8698
Lake Havasu City 04:51:55 -20.0 Dark Up 19.8 123.9 Really Low 04:36:55 - 05:06:55 8670
George/Scottsdale 04:51:51 -21.9 Dark Up 21.9 125.4 Low 04:36:51 - 05:06:51 8654
Parker 04:51:55 -20.3 Dark Up 20.0 123.8 Really Low 04:36:55 - 05:06:55 8642
Idyllwild 04:52:01 -19.3 Dark Up 18.5 121.9 Really Low 04:37:01 - 05:07:01 8562
Wildwood 04:52:05 -17.9 AT Up 17.0 120.7 Really Low 04:37:05 - 05:07:05 8554
Calipatria 04:52:00 -20.4 Dark Up 19.7 122.6 Really Low 04:37:00 - 05:07:00 8534
Yuma 04:51:58 -21.2 Dark Up 20.5 123.1 Low 04:36:58 - 05:06:58 8516

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 04KV18, (2024/06/16 04:49UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 30.61  53
Nunki          18:55:15.9 -26:17:49  2.0 13.81  85
PPM 234686     18:32:43.3 -14:51:57  5.1  1.30  81
PPM 234541     18:26:57.2 -13:51:17  8.3  0.50  80
PPM 234616     18:29:54.0 -14:04:16  9.2  0.26  80
04KV18         18:28:58.7 -13:55:48 16.9        80
Positions are for J2000

Event circumstances last updated at 2022/03/27 23:28:28 UT

Marc W. Buie, Southwest Research Institute

RECON