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 12:11:21 UTC

J2000 position of star is 07:37:00.5 +25:25:09
Equinox of date position of star is 07:38:11.5 +25:22:29
Stellar brightness G=15.0, use SENSEUP=128
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 1181 seconds.
The 1-sigma cross-track error in the shadow position is 5015 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 12:11UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:46:50.4 +27:57:51  1.1  3.20   6
PPM 097796     07:40:42.1 +24:09:50  6.0  1.30   7
PPM 097701     07:36:21.2 +24:53:47  8.2  0.68   8
PPM 097725     07:37:25.4 +24:51:00  9.2  0.57   8
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 20.9 km RECON observability=1.0 and success probability=8.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 12:11:34 -29.7 Dark Up 64.5 199.7 Up 11:56:34 - 12:26:34 2851
Summerland 12:11:35 -29.9 Dark Up 64.8 199.4 Up 11:56:35 - 12:26:35 2816
Penticton 12:11:33 -29.9 Dark Up 64.9 199.6 Up 11:56:33 - 12:26:33 2813
Okanagan Falls 12:11:33 -29.9 Dark Up 65.1 199.7 Up 11:56:33 - 12:26:33 2795
Oliver 12:11:33 -29.9 Dark Up 65.2 199.9 Up 11:56:33 - 12:26:33 2780
Anarchist Mountain Observatory 12:11:30 -29.8 Dark Up 65.3 200.4 Up 11:56:30 - 12:26:30 2769
Oroville 12:11:31 -29.8 Dark Up 65.4 200.3 Up 11:56:31 - 12:26:31 2760
Tonasket 12:11:30 -29.8 Dark Up 65.6 200.5 Up 11:56:30 - 12:26:30 2738
Okanogan 12:11:30 -30.0 Dark Up 66.0 200.4 Up 11:56:30 - 12:26:30 2703
Brewster 12:11:30 -30.1 Dark Up 66.3 200.2 Up 11:56:30 - 12:26:30 2672
Manson/Chelan 12:11:32 -30.4 Dark Up 66.6 199.6 Up 11:56:32 - 12:26:32 2643
Entiat 12:11:31 -30.4 Dark Up 66.8 199.6 Up 11:56:31 - 12:26:31 2620
Wenatchee 12:11:31 -30.5 Dark Up 67.0 199.5 Up 11:56:31 - 12:26:31 2594
Ellensburg 12:11:30 -30.7 Dark Up 67.5 199.4 Up 11:56:30 - 12:26:30 2548
Pasco 12:11:20 -29.8 Dark Up 67.8 203.2 Up 11:56:20 - 12:26:20 2516
Yakima 12:11:29 -30.7 Dark Up 67.9 199.6 Up 11:56:29 - 12:26:29 2509
PNWRO 12:11:19 -29.6 Dark Up 68.0 203.9 Up 11:56:19 - 12:26:19 2498
Toppenish/White Swan 12:11:28 -30.6 Dark Up 68.0 200.2 Up 11:56:28 - 12:26:28 2493
George/Umatilla 12:11:20 -29.9 Dark Up 68.2 203.0 Up 11:56:20 - 12:26:20 2478
Goldendale 12:11:29 -30.9 Dark Up 68.7 199.7 Up 11:56:29 - 12:26:29 2429
The Dalles 12:11:29 -31.2 Dark Up 69.0 199.0 Up 11:56:29 - 12:26:29 2397
Niwot 12:09:36 -19.5 Dark Up 65.8 239.5 Up 11:54:36 - 12:24:36 2381
SwRI 12:09:36 -19.6 Dark Up 66.0 239.6 Up 11:54:36 - 12:24:36 2368
Maupin 12:11:28 -31.2 Dark Up 69.3 199.6 Up 11:56:28 - 12:26:28 2359
Madras/Culver 12:11:26 -31.2 Dark Up 69.9 200.0 Up 11:56:26 - 12:26:26 2305
Redmond 12:11:25 -31.3 Dark Up 70.2 200.2 Up 11:56:25 - 12:26:25 2269
Sisters 12:11:28 -31.5 Dark Up 70.3 199.1 Up 11:56:28 - 12:26:28 2260
Bend 12:11:25 -31.4 Dark Up 70.4 200.0 Up 11:56:25 - 12:26:25 2244
Oregon Observatory 12:11:27 -31.5 Dark Up 70.6 199.9 Up 11:56:27 - 12:26:27 2224
La Pine/Gilchrist 12:11:25 -31.5 Dark Up 70.8 199.9 Up 11:56:25 - 12:26:25 2202
North Lake 12:11:21 -31.1 Dark Up 71.1 201.9 Up 11:56:21 - 12:26:21 2176
Paisley 12:11:17 -30.9 Dark Up 71.5 203.4 Up 11:56:17 - 12:26:17 2132
Lakeview 12:11:14 -30.7 Dark Up 71.9 204.6 Up 11:56:14 - 12:26:14 2087
Chiloquin 12:11:24 -31.8 Dark Up 72.0 200.0 Up 11:56:24 - 12:26:24 2083
Klamath Falls 12:11:22 -31.8 Dark Up 72.3 200.6 Up 11:56:22 - 12:26:22 2051
Tulelake 12:11:20 -31.6 Dark Up 72.5 201.7 Up 11:56:20 - 12:26:20 2033
Cedarville 12:11:12 -30.6 Dark Up 72.5 205.9 Up 11:56:12 - 12:26:12 2028
Fall River/Burney 12:11:17 -31.5 Dark Up 73.3 203.1 Up 11:56:17 - 12:26:17 1945
Susanville 12:11:10 -31.0 Dark Up 73.6 206.1 Up 11:56:10 - 12:26:10 1903
Gimple 12:11:11 -31.1 Dark Up 73.9 205.9 Up 11:56:11 - 12:26:11 1869
Greenville 12:11:12 -31.2 Dark Up 74.0 205.6 Up 11:56:12 - 12:26:12 1867
Portola 12:11:06 -30.8 Dark Up 74.1 207.5 Up 11:56:06 - 12:26:06 1848
Quincy 12:11:10 -31.2 Dark Up 74.2 205.9 Up 11:56:10 - 12:26:10 1847
Reno 12:11:02 -30.4 Dark Up 74.1 209.9 Up 11:56:02 - 12:26:02 1841
Carson City 12:11:01 -30.3 Dark Up 74.4 210.6 Up 11:56:01 - 12:26:01 1806
Yerington 12:10:56 -29.8 Dark Up 74.3 212.8 Up 11:55:56 - 12:25:56 1806
Gardnerville 12:11:00 -30.3 Dark Up 74.6 211.2 Up 11:56:00 - 12:26:00 1783
Hawthorne 12:10:51 -29.4 Dark Up 74.5 215.2 Up 11:55:51 - 12:25:51 1776
Tonopah 12:10:41 -28.3 Dark Up 74.2 220.1 Up 11:55:41 - 12:25:41 1773
Lee Vining 12:10:52 -29.8 Dark Up 75.2 215.0 Up 11:55:52 - 12:25:52 1704
Indian Springs 12:10:25 -27.0 Dark Up 74.5 227.7 Up 11:55:25 - 12:25:25 1676
Beatty 12:10:33 -27.9 Dark Up 74.8 224.1 Up 11:55:33 - 12:25:33 1673
Bishop 12:10:45 -29.2 Dark Up 75.3 218.4 Up 11:55:45 - 12:25:45 1667
Henderson 12:10:19 -26.4 Dark Up 74.4 230.8 Up 11:55:19 - 12:25:19 1646
Patrick 12:10:10 -25.5 Dark Up 74.1 235.1 Up 11:55:10 - 12:25:10 1621
DCO 12:10:04 -24.9 Dark Up 73.8 237.5 Up 11:55:04 - 12:25:04 1616
Lone Pine 12:10:41 -28.9 Dark Up 75.7 221.3 Up 11:55:41 - 12:25:41 1601
Kingman/Dolan Springs 12:10:11 -25.6 Dark Up 74.3 235.3 Up 11:55:11 - 12:25:11 1593
Searchlight/Boulder City 12:10:17 -26.3 Dark Up 74.7 232.6 Up 11:55:17 - 12:25:17 1591
Laughlin/Bullhead City 12:10:13 -26.0 Dark Up 74.7 234.2 Up 11:55:13 - 12:25:13 1573
Mohave Valley 12:10:13 -26.0 Dark Up 74.8 235.1 Up 11:55:13 - 12:25:13 1546
Lake Havasu City 12:10:09 -25.8 Dark Up 74.9 236.8 Up 11:55:09 - 12:25:09 1514
Parker 12:10:08 -25.7 Dark Up 75.1 238.0 Up 11:55:08 - 12:25:08 1480
Blythe 12:10:08 -25.9 Dark Up 75.6 239.0 Up 11:55:08 - 12:25:08 1417
CPSLO 12:10:54 -30.9 Dark Up 78.0 216.4 Up 11:55:54 - 12:25:54 1388
Idyllwild 12:10:22 -27.6 Dark Up 76.9 233.6 Up 11:55:22 - 12:25:22 1356
Calipatria 12:10:13 -26.6 Dark Up 76.5 238.6 Up 11:55:13 - 12:25:13 1335
Wildwood 12:10:37 -29.1 Dark Up 77.9 227.0 Up 11:55:37 - 12:25:37 1330
Yuma 12:10:05 -25.8 Dark Up 76.1 242.1 Up 11:55:05 - 12:25:05 1323

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 12:11UT)
Object            RA         Dec     mag  sep  mel
Pollux         07:45:18.0 +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   8
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 2019/06/08 09:28:21 UT

Marc W. Buie, Southwest Research Institute

RECON