RECON: TNO occultation with 02VD130

Event between 02VD130 and star GA1140:02888971 with event index number of 1356251

Geocentric closest approach at 2024/11/20 12:06:28 UTC

J2000 position of star is 07:37:00.5 +25:25:09
Equinox of date position of star is 07:38:21.7 +25:22:05
Stellar brightness G=15.0, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 7 degrees from the moon. Moon is 75% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 32.8 AU from the Sun and 32.2 AU from the Earth.
The TNO is moving 12.4 km/sec on the sky relative to the star, or, 1.9 arcsec/hr.
The 1-sigma error in the time of the event is 1073 seconds.
The 1-sigma cross-track error in the shadow position is 3360 km.
The sky-plane scale is 23341.7 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=207.0 km assuming a 5% albedo -- 16.7 sec chord
Diameter=84.5 km assuming a 30% albedo -- 6.8 sec chord
Dynamical classification is 2:1E+4:2II
 
 
 
 
 
 

Star training set for 02VD130, (2024/11/20 12:06UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.3 +27:57:51  1.1  3.20   6
PPM 097796     07:40:42.1 +24:09:50  6.0  1.30   7
PPM 097701     07:36:21.3 +24:53:46  8.2  0.68   8
PPM 097725     07:37:25.4 +24:51:00  9.2  0.57   7
PPM 097754     07:38:38.7 +25:22:40 11.1  0.03   7
02VD130        07:38:31.4 +25:21:43 15.0         7
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 0.8 sigma about the mid-time.
The median site spacing is 24.2 km RECON observability=1.0 and success probability=10.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 12:05:49 -22.2 Dark Up 58.8 219.3 Up 11:50:49 - 12:20:49 5716
Kamloops 12:06:54 -31.0 Dark Up 64.2 194.9 Up 11:51:54 - 12:21:54 5209
Kelowna 12:06:47 -30.5 Dark Up 64.8 197.1 Up 11:51:47 - 12:21:47 5155
Peachland 12:06:48 -30.7 Dark Up 65.0 196.6 Up 11:51:48 - 12:21:48 5137
Summerland 12:06:47 -30.7 Dark Up 65.1 196.9 Up 11:51:47 - 12:21:47 5125
Penticton 12:06:46 -30.6 Dark Up 65.1 197.1 Up 11:51:46 - 12:21:46 5122
Oliver 12:06:45 -30.7 Dark Up 65.5 197.3 Up 11:51:45 - 12:21:45 5089
Anarchist Mountain Observatory 12:06:43 -30.6 Dark Up 65.6 197.8 Up 11:51:43 - 12:21:43 5078
Tonasket 12:06:43 -30.6 Dark Up 65.9 197.9 Up 11:51:43 - 12:21:43 5047
Okanogan 12:06:42 -30.8 Dark Up 66.2 197.8 Up 11:51:42 - 12:21:42 5011
Brewster 12:06:43 -30.9 Dark Up 66.5 197.6 Up 11:51:43 - 12:21:43 4981
Manson/Chelan 12:06:44 -31.2 Dark Up 66.8 196.9 Up 11:51:44 - 12:21:44 4951
Victoria 12:07:04 -33.2 Dark Up 66.7 189.4 Up 11:52:04 - 12:22:04 4932
Wenatchee 12:06:42 -31.3 Dark Up 67.3 196.8 Up 11:51:42 - 12:21:42 4902
Ellensburg 12:06:42 -31.5 Dark Up 67.7 196.6 Up 11:51:42 - 12:21:42 4857
Yakima 12:06:42 -31.5 Dark Up 68.1 196.8 Up 11:51:42 - 12:21:42 4817
PNWRO 12:06:30 -30.5 Dark Up 68.3 201.1 Up 11:51:30 - 12:21:30 4805
Toppenish/White Swan 12:06:41 -31.4 Dark Up 68.3 197.4 Up 11:51:41 - 12:21:41 4801
Goldendale 12:06:42 -31.8 Dark Up 68.9 196.8 Up 11:51:42 - 12:21:42 4736
The Dalles 12:06:43 -32.0 Dark Up 69.2 196.1 Up 11:51:43 - 12:21:43 4705
Dunrhomin 12:04:48 -20.4 Dark Up 66.6 237.4 Up 11:49:48 - 12:19:48 4691
Maupin 12:06:40 -32.0 Dark Up 69.6 196.6 Up 11:51:40 - 12:21:40 4667
CU-SBO 12:04:48 -20.5 Dark Up 66.8 237.7 Up 11:49:48 - 12:19:48 4664
Sisters 12:06:42 -32.4 Dark Up 70.5 196.0 Up 11:51:42 - 12:21:42 4568
Bend 12:06:39 -32.2 Dark Up 70.7 196.9 Up 11:51:39 - 12:21:39 4551
Oregon Observatory 12:06:39 -32.3 Dark Up 70.9 196.7 Up 11:51:39 - 12:21:39 4531
North Lake 12:06:35 -32.0 Dark Up 71.4 198.7 Up 11:51:35 - 12:21:35 4483
Lakeview 12:06:28 -31.6 Dark Up 72.3 201.2 Up 11:51:28 - 12:21:28 4393
Chiloquin 12:06:38 -32.7 Dark Up 72.3 196.6 Up 11:51:38 - 12:21:38 4389
Klamath Falls 12:06:38 -32.7 Dark Up 72.6 197.2 Up 11:51:38 - 12:21:38 4358
Cedarville 12:06:23 -31.5 Dark Up 72.8 202.5 Up 11:51:23 - 12:21:23 4333
Fall River/Burney 12:06:30 -32.4 Dark Up 73.6 199.5 Up 11:51:30 - 12:21:30 4250
Susanville 12:06:24 -31.9 Dark Up 74.0 202.4 Up 11:51:24 - 12:21:24 4208
Gimple 12:06:24 -32.1 Dark Up 74.3 202.2 Up 11:51:24 - 12:21:24 4174
Greenville 12:06:25 -32.1 Dark Up 74.3 201.9 Up 11:51:25 - 12:21:25 4172
Portola 12:06:19 -31.8 Dark Up 74.5 203.8 Up 11:51:19 - 12:21:19 4153
Quincy 12:06:24 -32.1 Dark Up 74.5 202.2 Up 11:51:24 - 12:21:24 4152
Reno 12:06:16 -31.3 Dark Up 74.5 206.2 Up 11:51:16 - 12:21:16 4145
Carson City 12:06:15 -31.3 Dark Up 74.9 206.9 Up 11:51:15 - 12:21:15 4110
Yerington 12:06:09 -30.8 Dark Up 74.8 209.1 Up 11:51:09 - 12:21:09 4109
Gardnerville 12:06:13 -31.2 Dark Up 75.1 207.4 Up 11:51:13 - 12:21:13 4086
Hawthorne 12:06:04 -30.4 Dark Up 75.0 211.6 Up 11:51:04 - 12:21:04 4078
Tonopah 12:05:54 -29.3 Dark Up 74.8 216.7 Up 11:50:54 - 12:20:54 4075
Lee Vining 12:06:06 -30.7 Dark Up 75.7 211.2 Up 11:51:06 - 12:21:06 4007
Indian Springs 12:05:39 -28.0 Dark Up 75.1 224.5 Up 11:50:39 - 12:20:39 3975
Beatty 12:05:46 -28.9 Dark Up 75.5 220.7 Up 11:50:46 - 12:20:46 3973
Bishop 12:06:00 -30.1 Dark Up 75.9 214.7 Up 11:51:00 - 12:21:00 3968
Henderson 12:05:33 -27.4 Dark Up 75.1 227.8 Up 11:50:33 - 12:20:33 3945
Patrick 12:05:24 -26.5 Dark Up 74.9 232.3 Up 11:50:24 - 12:20:24 3919
Kingman/Dolan Springs 12:05:23 -26.6 Dark Up 75.1 232.5 Up 11:50:23 - 12:20:23 3891
Laughlin/Bullhead City 12:05:27 -27.0 Dark Up 75.5 231.3 Up 11:50:27 - 12:20:27 3871
Mohave Valley 12:05:25 -27.0 Dark Up 75.6 232.2 Up 11:50:25 - 12:20:25 3844
George/Scottsdale 12:05:04 -24.7 Dark Up 74.4 241.8 Up 11:50:04 - 12:20:04 3820
Lake Havasu City 12:05:23 -26.7 Dark Up 75.7 234.0 Up 11:50:23 - 12:20:23 3812
Parker 12:05:21 -26.7 Dark Up 75.9 235.2 Up 11:50:21 - 12:20:21 3778
Idyllwild 12:05:37 -28.6 Dark Up 77.7 230.2 Up 11:50:37 - 12:20:37 3655
Calipatria 12:05:25 -27.6 Dark Up 77.3 235.6 Up 11:50:25 - 12:20:25 3633
Wildwood 12:05:51 -30.1 Dark Up 78.6 223.0 Up 11:50:51 - 12:20:51 3630
Yuma 12:05:18 -26.8 Dark Up 76.9 239.4 Up 11:50:18 - 12:20:18 3620

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 02VD130, (2024/11/20 12:06UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:17.9 +28:01:33  1.1  3.20   6
PPM 097796     07:39:12.0 +24:13:21  6.0  1.30   7
PPM 097701     07:34:50.6 +24:57:09  8.2  0.68   8
PPM 097725     07:35:54.8 +24:54:25  9.2  0.57   7
PPM 097754     07:37:07.8 +25:26:07 11.1  0.03   7
02VD130        07:37:00.5 +25:25:09 15.0         7
Positions are for J2000

Event circumstances last updated at 2022/03/30 23:18:01 UT

Marc W. Buie, Southwest Research Institute

RECON