RECON: TNO occultation with 470308

Event between (470308) 07JH43 and star GA0600:27603430 with event index number of 2741203

Geocentric closest approach at 2029/04/08 10:06:20 UTC

J2000 position of star is 17:34:33.0 -29:19:48
Equinox of date position of star is 17:36:06.6 -29:20:41
Stellar brightness G=16.6, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 55 degrees from the moon. Moon is 25% illuminated.
Apparent brightness V=21.0

[RECON map]
Object is 40.5 AU from the Sun and 40.1 AU from the Earth.
Apparent velocity is 8.4 km/sec on the sky relative to the star, or, 1.0 arcsec/hr.
The 1-sigma error in the time of the event is 483 seconds.
The 1-sigma cross-track error in the shadow position is 2256 km.
The sky-plane scale is 29066.6 km/arcsec.

The object has an absolute magnitude Hv=4.8
Diameter=758.6 km assuming a 5% albedo -- 78.2 sec chord
Diameter=309.7 km assuming a 30% albedo -- 31.9 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 470308, (2029/04/08 10:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:31:12.4 -26:29:39  0.9 14.67  69
34Ups Sco      17:32:45.4 -37:18:58  2.7  8.01  57
PPM 266892     17:29:29.6 -29:44:49  6.4  1.56  57
PPM 267008     17:35:46.0 -29:14:28  8.4  0.18  55
PPM 267024     17:36:31.8 -29:16:23  8.7  0.08  55
470308         17:36:24.8 -29:20:51 16.6        55
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 1.9 sigma about the mid-time.
The median site spacing is 26.7 km RECON observability=0.1 and success probability=0.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 10:05:41 -29.1 Dark Down 4.8 146.9 Really Low 09:50:41 - 10:20:41 3146
Kamloops 10:05:06 -26.3 Dark Down 4.0 149.3 Really Low 09:50:06 - 10:20:06 3129
Peachland 10:05:05 -26.8 Dark Down 5.0 149.7 Really Low 09:50:05 - 10:20:05 3122
Summerland 10:05:07 -26.9 Dark Down 5.1 149.8 Really Low 09:50:07 - 10:20:07 3121
Kelowna 10:05:04 -26.6 Dark Down 5.0 150.0 Really Low 09:50:04 - 10:20:04 3119
Penticton 10:05:06 -26.9 Dark Down 5.2 149.9 Really Low 09:50:06 - 10:20:06 3119
Oliver 10:05:12 -27.2 Dark Down 5.5 149.9 Really Low 09:50:12 - 10:20:12 3118
Manson/Chelan 10:05:23 -28.4 Dark Down 6.5 149.4 Really Low 09:50:23 - 10:20:23 3117
Anarchist Mountain Observatory 10:05:09 -27.2 Dark Down 5.7 150.0 Really Low 09:50:09 - 10:20:09 3116
Wenatchee 10:05:28 -28.9 Dark Down 6.8 149.2 Really Low 09:50:28 - 10:20:28 3116
Brewster 10:05:17 -28.1 Dark Down 6.4 149.7 Really Low 09:50:17 - 10:20:17 3115
Ellensburg 10:05:31 -29.3 Dark Down 7.1 149.0 Really Low 09:50:31 - 10:20:31 3115
Okanogan 10:05:15 -27.8 Dark Down 6.2 149.8 Really Low 09:50:15 - 10:20:15 3115
Yakima 10:05:34 -29.6 Dark Down 7.5 149.0 Really Low 09:50:34 - 10:20:34 3111
Toppenish/White Swan 10:05:33 -29.8 Dark Down 7.7 149.1 Really Low 09:50:33 - 10:20:33 3108
The Dalles 10:05:45 -30.7 Dark Down 8.1 148.5 Really Low 09:50:45 - 10:20:45 3107
Maupin 10:05:48 -31.0 Dark Down 8.5 148.5 Really Low 09:50:48 - 10:20:48 3102
Sisters 10:05:57 -31.9 Dark Down 9.1 148.1 Really Low 09:50:57 - 10:20:57 3097
Bend 10:05:54 -32.0 Dark Down 9.4 148.3 Really Low 09:50:54 - 10:20:54 3091
Oregon Observatory 10:05:59 -32.2 Dark Down 9.5 148.2 Really Low 09:50:59 - 10:20:59 3090
PNWRO 10:05:22 -29.5 Dark Down 8.5 150.3 Really Low 09:50:22 - 10:20:22 3090
Chiloquin 10:06:11 -33.4 Dark Down 10.5 147.8 Really Low 09:51:11 - 10:21:11 3074
Klamath Falls 10:06:14 -33.6 Dark Down 10.8 147.8 Really Low 09:51:14 - 10:21:14 3068
Fall River/Burney 10:06:20 -34.4 Dark Down 11.9 148.0 Really Low 09:51:20 - 10:21:20 3043
Cedarville 10:06:07 -33.5 Dark Down 12.0 149.0 Really Low 09:51:07 - 10:21:07 3041
Greenville 10:06:20 -34.9 Dark Down 12.9 148.2 Really Low 09:51:20 - 10:21:20 3021
Gimple 10:06:19 -34.9 Dark Down 12.9 148.3 Really Low 09:51:19 - 10:21:19 3020
Quincy 10:06:20 -35.1 Dark Down 13.1 148.2 Really Low 09:51:20 - 10:21:20 3017
Portola 10:06:19 -35.0 Dark Down 13.4 148.6 Really Low 09:51:19 - 10:21:19 3010
Reno 10:06:16 -34.9 Dark Down 13.8 149.1 Really Low 09:51:16 - 10:21:16 2997
Carson City 10:06:18 -35.1 Dark Down 14.2 149.0 Really Low 09:51:18 - 10:21:18 2989
Gardnerville 10:06:19 -35.3 Dark Down 14.4 149.0 Really Low 09:51:19 - 10:21:19 2983
Yerington 10:06:13 -35.0 Dark Down 14.6 149.5 Really Low 09:51:13 - 10:21:13 2977
Hawthorne 10:06:13 -35.1 Dark Down 15.2 149.9 Really Low 09:51:13 - 10:21:13 2960
Lee Vining 10:06:21 -35.7 Dark Down 15.5 149.4 Really Low 09:51:21 - 10:21:21 2952
Sleaford 10:03:17 -19.5 Dark Down 6.4 161.0 Really Low 09:48:17 - 10:18:17 2939
Bishop 10:06:17 -35.8 Dark Down 16.3 149.9 Really Low 09:51:17 - 10:21:17 2927
Beatty 10:06:07 -35.3 Dark Down 17.3 151.1 Really Low 09:51:07 - 10:21:07 2893
Wildwood 10:06:41 -38.3 Dark Down 19.1 149.3 Really Low 09:51:41 - 10:21:41 2833
Laughlin/Bullhead City 10:05:58 -35.3 Dark Down 19.7 152.6 Really Low 09:50:58 - 10:20:58 2808
Patrick 10:05:50 -34.7 Dark Down 19.7 153.2 Really Low 09:50:50 - 10:20:50 2804
Idyllwild 10:06:26 -37.5 Dark Down 20.1 150.7 Low 09:51:26 - 10:21:26 2796
Lake Havasu City 10:06:01 -35.6 Dark Down 20.4 152.7 Low 09:51:01 - 10:21:01 2782
Dunrhomin 10:04:06 -26.6 Dark Up 17.8 161.0 Really Low 09:49:06 - 10:19:06 2765
CU-SBO 10:04:08 -26.8 Dark Up 18.0 160.9 Really Low 09:49:08 - 10:19:08 2761
Nikitin 10:04:06 -26.8 Dark Up 18.0 161.0 Really Low 09:49:06 - 10:19:06 2761
Calipatria 10:06:22 -37.2 Dark Down 21.1 151.6 Low 09:51:22 - 10:21:22 2755
Yuma 10:06:13 -37.0 Dark Down 21.9 152.2 Low 09:51:13 - 10:21:13 2725
George/Scottsdale 10:05:41 -34.7 Dark Down 21.9 154.6 Low 09:50:41 - 10:20:41 2712

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 470308, (2029/04/08 10:06UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9 14.67  69
34Ups Sco      17:30:45.8 -37:17:46  2.7  8.01  57
PPM 266892     17:27:37.5 -29:43:29  6.4  1.56  57
PPM 267008     17:33:54.3 -29:13:24  8.4  0.18  55
PPM 267024     17:34:40.0 -29:15:21  8.7  0.08  55
470308         17:34:33.0 -29:19:48 16.6        55
Positions are for J2000

Event circumstances last updated at 2024/06/26 21:34:34 UT

Marc W. Buie, Southwest Research Institute

RECON