RECON: TNO occultation with 568573

Event between (568573) 04HN79 and star GA0600:09716373 with event index number of 2761982

Geocentric closest approach at 2029/05/06 07:21:13 UTC

J2000 position of star is 16:36:24.7 -29:36:06
Equinox of date position of star is 16:37:48.6 -29:38:44
Stellar brightness G=15.4, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 75 degrees from the moon. Moon is 41% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 35.2 AU from the Sun and 34.3 AU from the Earth.
The TNO is moving 21.0 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 353 seconds.
The 1-sigma cross-track error in the shadow position is 2730 km.
The sky-plane scale is 24905.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.1
Diameter=231.2 km assuming a 5% albedo -- 11.0 sec chord
Diameter=94.4 km assuming a 30% albedo -- 4.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 568573, (2029/05/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.7 -26:29:40  0.9  3.53  77
23Tau Sco      16:37:42.9 -28:16:27  2.8  1.39  75
PPM 265803     16:43:27.4 -27:51:51  6.5  2.13  74
PPM 265693     16:37:16.0 -29:35:21  8.1  0.23  75
PPM 265729     16:38:54.0 -29:45:48  9.5  0.17  75
PPM 265702     16:37:44.5 -29:44:09 10.3  0.14  75
568573         16:38:15.8 -29:39:34 15.4        75
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 2.6 sigma about the mid-time.
The median site spacing is 13.4 km RECON observability=0.1 and success probability=1.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 07:22:22 -21.1 Dark Down 6.5 162.6 Really Low 07:07:22 - 07:37:22 3417
Kamloops 07:23:06 -22.2 Dark Down 4.2 150.6 Really Low 07:08:06 - 07:38:06 3144
Kelowna 07:23:05 -23.1 Dark Down 5.2 151.3 Really Low 07:08:05 - 07:38:05 3140
Peachland 07:23:07 -23.2 Dark Down 5.2 151.1 Really Low 07:08:07 - 07:38:07 3131
Penticton 07:23:06 -23.5 Dark Down 5.5 151.2 Really Low 07:08:06 - 07:38:06 3129
Summerland 07:23:07 -23.4 Dark Down 5.4 151.1 Really Low 07:08:07 - 07:38:07 3128
Oliver 07:23:08 -23.8 Dark Down 5.8 151.2 Really Low 07:08:08 - 07:38:08 3118
Anarchist Mountain Observatory 07:23:07 -24.0 Dark Down 6.0 151.4 Really Low 07:08:07 - 07:38:07 3118
Tonasket 07:23:08 -24.3 Dark Down 6.2 151.3 Really Low 07:08:08 - 07:38:08 3107
Okanogan 07:23:09 -24.6 Dark Down 6.5 151.2 Really Low 07:08:09 - 07:38:09 3093
Dunrhomin 07:22:22 -32.8 Dark Down 17.9 162.5 Really Low 07:07:22 - 07:37:22 3086
Brewster 07:23:10 -24.9 Dark Down 6.6 151.0 Really Low 07:08:10 - 07:38:10 3081
CU-SBO 07:22:22 -33.1 Dark Down 18.1 162.4 Really Low 07:07:22 - 07:37:22 3076
Manson/Chelan 07:23:12 -25.0 Dark Down 6.7 150.7 Really Low 07:08:12 - 07:38:12 3066
Wenatchee 07:23:13 -25.5 Dark Down 7.1 150.5 Really Low 07:08:13 - 07:38:13 3047
PNWRO 07:23:12 -27.0 Dark Down 8.8 151.6 Really Low 07:08:12 - 07:38:12 3032
Ellensburg 07:23:15 -25.9 Dark Down 7.4 150.3 Really Low 07:08:15 - 07:38:15 3029
Yakima 07:23:16 -26.3 Dark Down 7.7 150.3 Really Low 07:08:16 - 07:38:16 3015
Victoria 07:23:19 -24.0 Dark Down 5.1 148.1 Really Low 07:08:19 - 07:38:19 3014
Toppenish/White Swan 07:23:16 -26.5 Dark Down 8.0 150.4 Really Low 07:08:16 - 07:38:16 3011
Goldendale 07:23:18 -27.0 Dark Down 8.3 150.0 Really Low 07:08:18 - 07:38:18 2982
The Dalles 07:23:20 -27.2 Dark Down 8.4 149.7 Really Low 07:08:20 - 07:38:20 2966
Maupin 07:23:21 -27.6 Dark Down 8.8 149.8 Really Low 07:08:21 - 07:38:21 2953
Sisters 07:23:24 -28.4 Dark Down 9.3 149.3 Really Low 07:08:24 - 07:38:24 2909
Bend 07:23:24 -28.7 Dark Down 9.6 149.5 Really Low 07:08:24 - 07:38:24 2906
Oregon Observatory 07:23:24 -28.8 Dark Down 9.7 149.4 Really Low 07:08:24 - 07:38:24 2896
North Lake 07:23:24 -29.5 Dark Down 10.5 149.8 Really Low 07:08:24 - 07:38:24 2884
Lakeview 07:23:24 -30.6 Dark Down 11.6 150.1 Really Low 07:08:24 - 07:38:24 2854
Chiloquin 07:23:28 -30.1 Dark Down 10.7 148.9 Really Low 07:08:28 - 07:38:28 2833
Cedarville 07:23:25 -31.3 Dark Down 12.3 150.2 Really Low 07:08:25 - 07:38:25 2831
Klamath Falls 07:23:28 -30.4 Dark Down 11.1 149.0 Really Low 07:08:28 - 07:38:28 2821
Fall River/Burney 07:23:30 -31.6 Dark Down 12.2 149.2 Really Low 07:08:30 - 07:38:30 2779
Susanville 07:23:29 -32.3 Dark Down 13.0 149.7 Really Low 07:08:29 - 07:38:29 2770
Gimple 07:23:30 -32.6 Dark Down 13.2 149.5 Really Low 07:08:30 - 07:38:30 2752
Reno 07:23:28 -33.3 Dark Down 14.1 150.2 Really Low 07:08:28 - 07:38:28 2751
Greenville 07:23:30 -32.6 Dark Down 13.2 149.4 Really Low 07:08:30 - 07:38:30 2750
Portola 07:23:29 -33.0 Dark Down 13.6 149.8 Really Low 07:08:29 - 07:38:29 2748
Tonopah 07:23:21 -35.1 Dark Down 16.4 152.1 Really Low 07:08:21 - 07:38:21 2745
Yerington 07:23:26 -33.9 Dark Down 14.8 150.7 Really Low 07:08:26 - 07:38:26 2742
Quincy 07:23:30 -32.8 Dark Down 13.3 149.4 Really Low 07:08:30 - 07:38:30 2741
Carson City 07:23:28 -33.7 Dark Down 14.4 150.2 Really Low 07:08:28 - 07:38:28 2735
Hawthorne 07:23:26 -34.5 Dark Down 15.5 151.1 Really Low 07:08:26 - 07:38:26 2733
Gardnerville 07:23:29 -33.9 Dark Down 14.7 150.2 Really Low 07:08:29 - 07:38:29 2725
Indian Springs 07:23:18 -36.7 Dark Down 18.3 153.2 Really Low 07:08:18 - 07:38:18 2708
Beatty 07:23:22 -36.2 Dark Down 17.6 152.4 Really Low 07:08:22 - 07:38:22 2699
Henderson 07:23:16 -37.2 Dark Down 19.0 153.7 Really Low 07:08:16 - 07:38:16 2697
Lee Vining 07:23:28 -35.0 Dark Down 15.8 150.6 Really Low 07:08:28 - 07:38:28 2695
Patrick 07:23:13 -37.9 Dark Down 19.9 154.5 Really Low 07:08:13 - 07:38:13 2691
Bishop 07:23:26 -35.6 Dark Down 16.6 151.1 Really Low 07:08:26 - 07:38:26 2683
Kingman/Dolan Springs 07:23:14 -38.1 Dark Down 20.1 154.3 Low 07:08:14 - 07:38:14 2675
Laughlin/Bullhead City 07:23:16 -38.1 Dark Down 19.9 153.9 Really Low 07:08:16 - 07:38:16 2662
Mohave Valley 07:23:17 -38.4 Dark Down 20.2 153.9 Low 07:08:17 - 07:38:17 2648
George/Scottsdale 07:23:08 -39.6 Dark Down 22.2 155.9 Low 07:08:08 - 07:38:08 2646
Lake Havasu City 07:23:16 -38.8 Dark Down 20.6 154.0 Low 07:08:16 - 07:38:16 2632
Parker 07:23:17 -39.2 Dark Down 20.9 154.0 Low 07:08:17 - 07:38:17 2614
Idyllwild 07:23:27 -39.4 Dark Down 20.4 151.9 Low 07:08:27 - 07:38:27 2537
Calipatria 07:23:23 -40.1 Dark Down 21.4 152.8 Low 07:08:23 - 07:38:23 2531
Yuma 07:23:20 -40.6 Dark Down 22.1 153.4 Low 07:08:20 - 07:38:20 2528
Wildwood 07:23:33 -38.8 Dark Down 19.3 150.4 Really Low 07:08:33 - 07:38:33 2508

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 568573, (2029/05/06 07:21UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  3.53  77
23Tau Sco      16:35:52.9 -28:12:58  2.8  1.39  75
PPM 265803     16:41:37.6 -27:48:36  6.5  2.13  74
PPM 265693     16:35:25.0 -29:31:51  8.1  0.23  75
PPM 265729     16:37:02.8 -29:42:22  9.5  0.17  75
PPM 265702     16:35:53.3 -29:40:41 10.3  0.14  75
568573         16:36:24.7 -29:36:06 15.4        75
Positions are for J2000

Event circumstances last updated at 2022/02/27 03:53:32 UT

Marc W. Buie, Southwest Research Institute

RECON