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 02:16:37.4 +31:29:08
Stellar brightness G=15.7, use SENSEUP=128
Star is 100 degrees from the moon. Moon is 33% illuminated.
TNO apparent brightness V=26.6

[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=10.0
Diameter=380.2 km assuming a 5% albedo -- 2.4 sec chord
Diameter=155.2 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 01QX322, (2024/10/26 02:35UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:20.9 +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 13.2 km RECON observability=1.0 and success probability=6.3%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 02:36:57 -15.9 AT Down 27.3 72.5 Low 02:21:57 - 02:51:57 -1057
Peachland 02:36:52 -18.2 Dark Down 29.9 75.5 Low 02:21:52 - 02:51:52 -1157
Clarence Fulton 02:36:50 -18.5 Dark Down 30.3 76.1 Up 02:21:50 - 02:51:50 -1158
Kelowna 02:36:52 -18.4 Dark Down 30.1 75.8 Up 02:21:52 - 02:51:52 -1165
Summerland 02:36:53 -18.3 Dark Down 29.9 75.5 Low 02:21:53 - 02:51:53 -1166
Penticton 02:36:53 -18.4 Dark Down 30.0 75.5 Low 02:21:53 - 02:51:53 -1173
Oliver 02:36:55 -18.4 Dark Down 29.9 75.3 Low 02:21:55 - 02:51:55 -1185
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 -1207
Manson/Chelan 02:37:00 -18.1 Dark Down 29.2 74.2 Low 02:22:00 - 02:52:00 -1208
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 -1260
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
Redmond 02:37:14 -17.4 AT Down 27.5 71.8 Low 02:22:14 - 02:52:14 -1308
Bend 02:37:15 -17.3 AT Down 27.3 71.6 Low 02:22:15 - 02:52:15 -1311
Oregon Observatory 02:37:15 -17.2 AT Down 27.2 71.4 Low 02:22:15 - 02:52:15 -1312
Pasco 02:37:06 -18.8 Dark Down 29.4 74.0 Low 02:22:06 - 02:52:06 -1315
La Pine/Gilchrist 02:37:16 -17.2 AT Down 27.1 71.3 Low 02:22:16 - 02:52:16 -1318
PNWRO 02:37:07 -19.0 Dark Down 29.5 74.0 Low 02:22:07 - 02:52:07 -1334
North Lake 02:37:18 -17.6 AT Down 27.4 71.4 Low 02:22:18 - 02:52:18 -1363
Klamath Falls 02:37:22 -16.9 AT Down 26.4 70.5 Low 02:22:22 - 02:52:22 -1369
Paisley 02:37:20 -17.9 AT Down 27.5 71.4 Low 02:22:20 - 02:52:20 -1403
Lakeview 02:37:22 -18.0 AT Down 27.4 71.2 Low 02:22:22 - 02:52:22 -1435
Fall River/Burney 02:37:26 -17.2 AT Down 26.3 70.1 Low 02:22:26 - 02:52:26 -1440
Cedarville 02:37:24 -18.1 Dark Down 27.4 71.0 Low 02:22:24 - 02:52:24 -1473
Greenville 02:37:29 -17.5 AT Down 26.4 70.0 Low 02:22:29 - 02:52:29 -1503
Susanville 02:37:28 -17.7 AT Down 26.7 70.2 Low 02:22:28 - 02:52:28 -1503
Gimple 02:37:30 -17.6 AT Down 26.4 70.0 Low 02:22:30 - 02:52:30 -1507
Quincy 02:37:30 -17.5 AT Down 26.3 69.9 Low 02:22:30 - 02:52:30 -1513
Portola 02:37:31 -17.9 AT Down 26.6 70.1 Low 02:22:31 - 02:52:31 -1541
Reno 02:37:32 -18.4 Dark Down 27.0 70.3 Low 02:22:32 - 02:52:32 -1584
Carson City 02:37:33 -18.4 Dark Down 26.9 70.1 Low 02:22:33 - 02:52:33 -1603
Gardnerville 02:37:34 -18.4 Dark Down 26.8 70.0 Low 02:22:34 - 02:52:34 -1618
Yerington 02:37:34 -18.9 Dark Down 27.3 70.3 Low 02:22:34 - 02:52:34 -1643
Hawthorne 02:37:36 -19.3 Dark Down 27.5 70.4 Low 02:22:36 - 02:52:36 -1692
Lee Vining 02:37:37 -18.9 Dark Down 27.0 69.9 Low 02:22:37 - 02:52:37 -1698
Bishop 02:37:40 -19.5 Dark Down 27.3 69.9 Low 02:22:40 - 02:52:40 -1765
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 -1785
Beatty 02:37:41 -20.8 Dark Down 28.4 70.4 Low 02:22:41 - 02:52:41 -1871
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 -1943
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 -2045
Idyllwild 02:37:52 -20.8 Dark Down 27.3 68.9 Low 02:22:52 - 02:52:52 -2054
Laughlin/Bullhead City 02:37:47 -22.6 Dark Down 29.5 70.5 Low 02:22:47 - 02:52:47 -2081
Mohave Valley 02:37:47 -22.6 Dark Down 29.4 70.4 Low 02:22:47 - 02:52:47 -2097
Patrick 02:37:46 -23.1 Dark Down 30.1 70.9 Up 02:22:46 - 02:52:46 -2103
Kingman/Dolan Springs 02:37:46 -23.0 Dark Down 29.9 70.7 Low 02:22:46 - 02:52:46 -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 02:37:50 -22.8 Dark Down 29.4 70.1 Low 02:22:50 - 02:52:50 -2156
DCO 02:37:47 -23.7 Dark Down 30.6 71.1 Up 02:22:47 - 02:52:47 -2157
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 -2271
SwRI 02:37:25 -29.5 Dark Down 37.8 77.9 Up 02:22:25 - 02:52:25 -2272
George/Scottsdale 02:37:51 -24.8 Dark Down 31.1 70.8 Up 02:22:51 - 02:52:51 -2311

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 2020/03/08 00:01:16 UT

Marc W. Buie, Southwest Research Institute

RECON