RECON: TNO occultation with 01QX322

Event between 01QX322 and star GA1200:00368479 with event index number of 1352865

Geocentric closest approach at 2024/10/26 02:35:17 UTC

J2000 position of star is 02:15:26.1 +31:23:33
Equinox of date position of star is 02:16:34.7 +31:28:56
Stellar brightness G=15.7, use SENSEUP=128
Star is 100 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 45.8 AU from the Sun and 44.9 AU from the Earth.
The TNO is moving 25.4 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 813 seconds.
The 1-sigma cross-track error in the shadow position is 5462 km.
The sky-plane scale is 32553.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.0
Diameter=380.2 km assuming a 5% albedo -- 14.9 sec chord
Diameter=155.2 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 01QX322, (2024/10/26 02:35UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:20.8 +16:33:27  0.8 35.17  74
Hamal          02:08:34.6 +23:34:44  2.0  8.14 105
5 Tri          02:12:52.5 +31:38:32  6.2  0.87 100
PPM 067143     02:17:49.9 +31:09:29  7.9  0.40 100
PPM 067126     02:16:57.4 +31:33:09 10.3  0.05 100
01QX322        02:16:53.8 +31:30:25 15.7        99
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 1.1 sigma about the mid-time.
The median site spacing is 9.2 km RECON observability=1.0 and success probability=5.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Summerland 02:36:53 -18.3 Dark Down 29.9 75.5 Low 02:21:53 - 02:51:53 -1166
Kelowna 02:36:52 -18.5 Dark Down 30.2 75.8 Up 02:21:52 - 02:51:52 -1167
Penticton 02:36:53 -18.4 Dark Down 30.0 75.5 Low 02:21:53 - 02:51:53 -1173
Okanagan Falls 02:36:54 -18.4 Dark Down 29.9 75.4 Low 02:21:54 - 02:51:54 -1179
Oliver 02:36:55 -18.4 Dark Down 29.9 75.3 Low 02:21:55 - 02:51:55 -1185
Oroville 02:36:56 -18.5 Dark Down 29.9 75.3 Low 02:21:56 - 02:51:56 -1199
Anarchist Mountain Observatory 02:36:55 -18.5 Dark Down 30.0 75.4 Low 02:21:55 - 02:51:55 -1199
Tonasket 02:36:57 -18.5 Dark Down 29.9 75.1 Low 02:21:57 - 02:51:57 -1208
Manson/Chelan 02:37:00 -18.1 Dark Down 29.2 74.2 Low 02:22:00 - 02:52:00 -1209
Okanogan 02:36:58 -18.4 Dark Down 29.7 74.9 Low 02:21:58 - 02:51:58 -1214
Entiat 02:37:01 -18.0 Dark Down 29.1 74.1 Low 02:22:01 - 02:52:01 -1214
Brewster 02:36:59 -18.3 Dark Down 29.5 74.6 Low 02:21:59 - 02:51:59 -1216
Wenatchee 02:37:02 -18.0 AT Down 29.0 73.9 Low 02:22:02 - 02:52:02 -1219
Ellensburg 02:37:03 -17.8 AT Down 28.7 73.5 Low 02:22:03 - 02:52:03 -1226
Yakima 02:37:05 -17.8 AT Down 28.6 73.3 Low 02:22:05 - 02:52:05 -1241
The Dalles 02:37:09 -17.4 AT Down 27.9 72.4 Low 02:22:09 - 02:52:09 -1254
Toppenish/White Swan 02:37:06 -17.9 AT Down 28.6 73.3 Low 02:22:06 - 02:52:06 -1256
Goldendale 02:37:08 -17.6 AT Down 28.2 72.8 Low 02:22:08 - 02:52:08 -1261
Maupin 02:37:10 -17.5 AT Down 27.8 72.3 Low 02:22:10 - 02:52:10 -1275
Sisters 02:37:14 -17.1 AT Down 27.2 71.6 Low 02:22:14 - 02:52:14 -1290
Madras/Culver 02:37:13 -17.4 AT Down 27.6 72.0 Low 02:22:13 - 02:52:13 -1296
Redmond 02:37:14 -17.4 AT Down 27.5 71.8 Low 02:22:14 - 02:52:14 -1309
Bend 02:37:15 -17.3 AT Down 27.3 71.6 Low 02:22:15 - 02:52:15 -1312
Oregon Observatory 02:37:16 -17.2 AT Down 27.2 71.4 Low 02:22:16 - 02:52:16 -1313
Pasco 02:37:06 -18.8 Dark Down 29.4 74.0 Low 02:22:06 - 02:52:06 -1315
George/Umatilla 02:37:08 -18.7 Dark Down 29.2 73.7 Low 02:22:08 - 02:52:08 -1319
La Pine/Gilchrist 02:37:16 -17.2 AT Down 27.1 71.3 Low 02:22:16 - 02:52:16 -1319
PNWRO 02:37:07 -19.0 Dark Down 29.5 74.0 Low 02:22:07 - 02:52:07 -1334
Chiloquin 02:37:20 -16.9 AT Down 26.5 70.6 Low 02:22:20 - 02:52:20 -1352
North Lake 02:37:18 -17.6 AT Down 27.4 71.4 Low 02:22:18 - 02:52:18 -1364
Klamath Falls 02:37:22 -16.9 AT Down 26.4 70.5 Low 02:22:22 - 02:52:22 -1370
Tulelake 02:37:23 -17.2 AT Down 26.6 70.5 Low 02:22:23 - 02:52:23 -1396
Paisley 02:37:20 -17.9 AT Down 27.5 71.4 Low 02:22:20 - 02:52:20 -1404
Lakeview 02:37:22 -18.0 AT Down 27.4 71.2 Low 02:22:22 - 02:52:22 -1436
Fall River/Burney 02:37:26 -17.2 AT Down 26.3 70.1 Low 02:22:26 - 02:52:26 -1441
Cedarville 02:37:24 -18.1 Dark Down 27.4 71.0 Low 02:22:24 - 02:52:24 -1474
Greenville 02:37:29 -17.5 AT Down 26.4 70.0 Low 02:22:29 - 02:52:29 -1504
Susanville 02:37:29 -17.8 AT Down 26.7 70.2 Low 02:22:29 - 02:52:29 -1504
Gimple 02:37:30 -17.6 AT Down 26.4 70.0 Low 02:22:30 - 02:52:30 -1508
Quincy 02:37:30 -17.5 AT Down 26.3 69.9 Low 02:22:30 - 02:52:30 -1514
Portola 02:37:31 -17.9 AT Down 26.6 70.1 Low 02:22:31 - 02:52:31 -1542
Reno 02:37:32 -18.4 Dark Down 27.0 70.3 Low 02:22:32 - 02:52:32 -1586
Carson City 02:37:33 -18.4 Dark Down 26.9 70.1 Low 02:22:33 - 02:52:33 -1604
Gardnerville 02:37:34 -18.4 Dark Down 26.8 70.0 Low 02:22:34 - 02:52:34 -1619
Yerington 02:37:34 -18.9 Dark Down 27.3 70.3 Low 02:22:34 - 02:52:34 -1644
Hawthorne 02:37:35 -19.3 Dark Down 27.5 70.4 Low 02:22:35 - 02:52:35 -1693
Lee Vining 02:37:38 -18.9 Dark Down 27.0 69.9 Low 02:22:38 - 02:52:38 -1699
Bishop 02:37:40 -19.5 Dark Down 27.3 69.9 Low 02:22:40 - 02:52:40 -1766
CPSLO 02:37:47 -17.6 AT Down 24.9 68.0 Low 02:22:47 - 02:52:47 -1766
Tonopah 02:37:37 -20.4 Dark Down 28.4 70.8 Low 02:22:37 - 02:52:37 -1786
Lone Pine 02:37:42 -19.7 Dark Down 27.3 69.7 Low 02:22:42 - 02:52:42 -1823
Beatty 02:37:41 -20.8 Dark Down 28.4 70.4 Low 02:22:41 - 02:52:41 -1872
Wildwood 02:37:51 -19.2 Dark Down 26.0 68.3 Low 02:22:51 - 02:52:51 -1937
Indian Springs 02:37:42 -21.6 Dark Down 29.1 70.8 Low 02:22:42 - 02:52:42 -1944
Henderson 02:37:44 -22.2 Dark Down 29.4 70.8 Low 02:22:44 - 02:52:44 -2009
Searchlight/Boulder City 02:37:46 -22.3 Dark Down 29.3 70.5 Low 02:22:46 - 02:52:46 -2046
Idyllwild 02:37:52 -20.8 Dark Down 27.3 68.9 Low 02:22:52 - 02:52:52 -2055
Laughlin/Bullhead City 02:37:47 -22.6 Dark Down 29.5 70.5 Low 02:22:47 - 02:52:47 -2081
Mohave Valley 02:37:48 -22.6 Dark Down 29.4 70.4 Low 02:22:48 - 02:52:48 -2097
Patrick 02:37:46 -23.1 Dark Down 30.1 70.9 Up 02:22:46 - 02:52:46 -2103
Kingman/Dolan Springs 02:37:47 -23.0 Dark Down 29.9 70.7 Low 02:22:47 - 02:52:47 -2106
Lake Havasu City 02:37:49 -22.8 Dark Down 29.5 70.3 Low 02:22:49 - 02:52:49 -2134
Calipatria 02:37:54 -21.8 Dark Down 28.1 69.1 Low 02:22:54 - 02:52:54 -2153
Parker 02:37:51 -22.8 Dark Down 29.4 70.1 Low 02:22:51 - 02:52:51 -2157
DCO 02:37:47 -23.7 Dark Down 30.6 71.1 Up 02:22:47 - 02:52:47 -2158
Blythe 02:37:52 -22.6 Dark Down 29.0 69.7 Low 02:22:52 - 02:52:52 -2173
Yuma 02:37:55 -22.5 Dark Down 28.6 69.2 Low 02:22:55 - 02:52:55 -2227
Niwot 02:37:25 -29.5 Dark Down 37.9 78.0 Up 02:22:25 - 02:52:25 -2272
SwRI 02:37:25 -29.5 Dark Down 37.8 77.9 Up 02:22:25 - 02:52:25 -2273

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 01QX322, (2024/10/26 02:35UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 35.17  74
Hamal          02:07:10.7 +23:27:42  2.0  8.14 105
5 Tri          02:11:25.1 +31:31:35  6.2  0.87 100
PPM 067143     02:16:22.3 +31:02:38  7.9  0.40 100
PPM 067126     02:15:29.7 +31:26:17 10.3  0.05 100
01QX322        02:15:26.1 +31:23:33 15.7       100
Positions are for J2000

Event circumstances last updated at 2019/06/08 09:17:23 UT

Marc W. Buie, Southwest Research Institute

RECON