RECON: TNO occultation with 02VX130

Event between 02VX130 and star GA1140:01757550 with event index number of 2715825

Geocentric closest approach at 2027/11/26 08:20:33 UTC

J2000 position of star is 05:57:18.1 +24:04:52
Equinox of date position of star is 05:58:39.2 +24:04:56
Stellar brightness G=16.7, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 132 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=23.5

[RECON map]
TNO is 32.5 AU from the Sun and 31.6 AU from the Earth.
The TNO is moving 21.7 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 1156 seconds.
The 1-sigma cross-track error in the shadow position is 1246 km.
The sky-plane scale is 22919.0 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=129.4 km assuming a 5% albedo -- 6.0 sec chord
Diameter=52.8 km assuming a 30% albedo -- 2.4 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 02VX130, (2027/11/26 08:21UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:41.0 +07:24:35  0.4 16.68 129
Alnath         05:28:03.5 +28:37:43  1.6  8.29 140
PPM 095124     05:58:38.7 +24:15:04  5.8  0.19 133
PPM 095144     05:59:19.8 +24:36:51  7.7  0.54 132
PPM 095124     05:58:38.7 +24:15:04  5.8  0.19 133
02VX130        05:59:00.6 +24:04:57 16.7       132
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 32.1 km RECON observability=1.0 and success probability=34.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 08:20:49 -54.3 Dark Down 61.7 170.3 Up 08:05:49 - 08:35:49 2194
Kamloops 08:21:35 -59.5 Dark Down 59.5 143.6 Up 08:06:35 - 08:36:35 2144
Kelowna 08:21:34 -60.2 Dark Down 60.5 144.2 Up 08:06:34 - 08:36:34 2056
Peachland 08:21:35 -60.3 Dark Down 60.5 143.6 Up 08:06:35 - 08:36:35 2048
Summerland 08:21:34 -60.5 Dark Down 60.7 143.6 Up 08:06:34 - 08:36:34 2032
Penticton 08:21:34 -60.5 Dark Down 60.7 143.8 Up 08:06:34 - 08:36:34 2025
Oliver 08:21:35 -60.8 Dark Down 61.0 143.4 Up 08:06:35 - 08:36:35 1990
Anarchist Mountain Observatory 08:21:34 -61.0 Dark Down 61.2 143.5 Up 08:06:34 - 08:36:34 1971
Victoria 08:21:41 -62.1 Dark Down 59.9 136.3 Up 08:06:41 - 08:36:41 1970
Tonasket 08:21:35 -61.3 Dark Down 61.5 143.1 Up 08:06:35 - 08:36:35 1941
Okanogan 08:21:36 -61.6 Dark Down 61.7 142.4 Up 08:06:36 - 08:36:36 1909
Brewster 08:21:37 -61.9 Dark Down 61.8 141.8 Up 08:06:37 - 08:36:37 1884
Manson/Chelan 08:21:38 -62.2 Dark Down 61.8 140.9 Up 08:06:38 - 08:36:38 1867
Wenatchee 08:21:39 -62.7 Dark Down 62.1 140.1 Up 08:06:39 - 08:36:39 1821
Ellensburg 08:21:40 -63.1 Dark Down 62.3 139.2 Up 08:06:40 - 08:36:40 1782
Yakima 08:21:41 -63.5 Dark Down 62.6 138.7 Up 08:06:41 - 08:36:41 1741
Toppenish/White Swan 08:21:41 -63.7 Dark Down 62.9 138.7 Up 08:06:41 - 08:36:41 1717
Goldendale 08:21:41 -64.3 Dark Down 63.1 137.2 Up 08:06:41 - 08:36:41 1667
PNWRO 08:21:36 -63.7 Dark Down 63.8 140.8 Up 08:06:36 - 08:36:36 1665
The Dalles 08:21:41 -64.6 Dark Down 63.1 136.3 Up 08:06:41 - 08:36:41 1649
Maupin 08:21:41 -65.0 Dark Down 63.4 135.9 Up 08:06:41 - 08:36:41 1606
Sisters 08:21:41 -65.9 Dark Down 63.8 133.8 Up 08:06:41 - 08:36:41 1526
Bend 08:21:41 -66.1 Dark Down 64.1 133.9 Up 08:06:41 - 08:36:41 1498
Oregon Observatory 08:21:41 -66.3 Dark Down 64.2 133.4 Up 08:06:41 - 08:36:41 1483
North Lake 08:21:41 -66.8 Dark Down 64.9 133.3 Up 08:06:41 - 08:36:41 1409
Chiloquin 08:21:41 -67.6 Dark Down 64.8 130.6 Up 08:06:41 - 08:36:41 1362
Klamath Falls 08:21:41 -67.9 Dark Down 65.1 130.2 Up 08:06:41 - 08:36:41 1326
Lakeview 08:21:41 -67.6 Dark Down 65.9 132.6 Up 08:06:41 - 08:36:41 1292
Cedarville 08:21:41 -68.2 Dark Down 66.4 131.9 Up 08:06:41 - 08:36:41 1222
Fall River/Burney 08:21:41 -69.0 Dark Down 66.0 128.9 Up 08:06:41 - 08:36:41 1201
Susanville 08:21:41 -69.4 Dark Down 66.9 129.0 Up 08:06:41 - 08:36:41 1120
Greenville 08:21:41 -69.7 Dark Down 66.9 128.0 Up 08:06:41 - 08:36:41 1100
Gimple 08:21:41 -69.7 Dark Down 66.9 128.1 Up 08:06:41 - 08:36:41 1098
Quincy 08:21:41 -69.9 Dark Down 67.0 127.6 Up 08:06:41 - 08:36:41 1080
Portola 08:21:41 -69.9 Dark Down 67.4 128.2 Up 08:06:41 - 08:36:41 1055
Reno 08:21:41 -69.9 Dark Down 67.9 128.9 Up 08:06:41 - 08:36:41 1013
Dunrhomin 08:20:51 -62.3 Dark Down 73.4 166.3 Up 08:05:51 - 08:35:51 977
Carson City 08:21:41 -70.2 Dark Down 68.2 128.3 Up 08:06:41 - 08:36:41 976
Gardnerville 08:21:41 -70.4 Dark Down 68.3 127.9 Up 08:06:41 - 08:36:41 950
Yerington 08:21:41 -70.2 Dark Down 68.7 129.0 Up 08:06:41 - 08:36:41 943
Hawthorne 08:21:41 -70.4 Dark Down 69.3 129.1 Up 08:06:41 - 08:36:41 886
Lee Vining 08:21:41 -71.1 Dark Down 69.3 127.0 Up 08:06:41 - 08:36:41 836
Tonopah 08:21:38 -70.2 Dark Down 70.4 130.9 Up 08:06:38 - 08:36:38 820
Bishop 08:21:41 -71.3 Dark Down 70.2 127.1 Up 08:06:41 - 08:36:41 760
Beatty 08:21:37 -71.0 Dark Down 71.5 129.3 Up 08:06:37 - 08:36:37 692
Indian Springs 08:21:33 -70.7 Dark Down 72.3 130.9 Up 08:06:33 - 08:36:33 646
Henderson 08:21:31 -70.8 Dark Down 73.1 131.2 Up 08:06:31 - 08:36:31 582
Patrick 08:21:27 -70.6 Dark Down 74.2 132.2 Up 08:06:27 - 08:36:27 505
Laughlin/Bullhead City 08:21:30 -71.2 Dark Down 73.9 129.9 Up 08:06:30 - 08:36:30 485
Kingman/Dolan Springs 08:21:28 -70.9 Dark Down 74.2 131.2 Up 08:06:28 - 08:36:28 483
Mohave Valley 08:21:30 -71.4 Dark Down 74.1 129.2 Up 08:06:30 - 08:36:30 455
Wildwood 08:21:41 -74.1 Dark Down 71.8 118.7 Up 08:06:41 - 08:36:41 431
Lake Havasu City 08:21:30 -71.5 Dark Down 74.5 128.6 Up 08:06:30 - 08:36:30 409
Parker 08:21:30 -71.7 Dark Down 74.7 127.7 Up 08:06:30 - 08:36:30 371
Idyllwild 08:21:40 -73.4 Dark Down 73.3 121.3 Up 08:06:40 - 08:36:40 350
George/Scottsdale 08:21:20 -70.5 Dark Down 76.5 132.8 Up 08:06:20 - 08:36:20 305
Calipatria 08:21:35 -73.2 Dark Down 74.5 121.9 Up 08:06:35 - 08:36:35 272
Yuma 08:21:32 -72.9 Dark Down 75.3 122.5 Up 08:06:32 - 08:36:32 216

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 02VX130, (2027/11/26 08:21UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 16.68 129
Alnath         05:26:17.6 +28:36:23  1.6  8.29 140
PPM 095124     05:56:56.1 +24:14:59  5.8  0.19 133
PPM 095144     05:57:36.9 +24:36:47  7.7  0.54 132
PPM 095124     05:56:56.1 +24:14:59  5.8  0.19 133
02VX130        05:57:18.1 +24:04:52 16.7       132
Positions are for J2000

Event circumstances last updated at 2022/01/31 00:19:48 UT

Marc W. Buie, Southwest Research Institute

RECON