RECON: TNO occultation with 98WX24

Event between 98WX24 and star GA1120:01184089 with event index number of 1222180

Geocentric closest approach at 2022/11/04 10:12:52 UTC

J2000 position of star is 05:27:09.4 +23:33:33
Equinox of date position of star is 05:28:20.4 +23:34:27
Stellar brightness G=14.1, use SENSEUP=64
Star is 90 degrees from the moon. Moon is 83% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 44.9 AU from the Sun and 44.2 AU from the Earth.
The TNO is moving 18.6 km/sec on the sky relative to the star, or, 2.1 arcsec/hr.
The 1-sigma error in the time of the event is 679 seconds.
The 1-sigma cross-track error in the shadow position is 2595 km.
The sky-plane scale is 32047.2 km/arcsec.

The TNO has an absolute magnitude Hv=6.7
Diameter=279.3 km assuming a 5% albedo -- 15.0 sec chord
Diameter=114.0 km assuming a 30% albedo -- 6.1 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 98WX24, (2022/11/04 10:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:14.0 +16:33:13  0.8 13.94  77
Alnath         05:27:44.3 +28:37:29  1.6  5.05  90
114 Tau        05:29:00.5 +21:57:16  4.7  1.63  90
PPM 094385     05:29:18.6 +23:18:37  8.4  0.32  90
98WX24         05:28:32.8 +23:34:37 14.1        90
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 1.3 sigma about the mid-time.
The median site spacing is 22.5 km RECON observability=1.0 and success probability=7.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 10:13:03 -43.9 Dark Down 63.5 171.2 Up 09:58:03 - 10:28:03 6046
Summerland 10:13:04 -44.2 Dark Down 63.7 170.6 Up 09:58:04 - 10:28:04 6018
Penticton 10:13:03 -44.2 Dark Down 63.8 170.8 Up 09:58:03 - 10:28:03 6011
Okanagan Falls 10:13:04 -44.3 Dark Down 64.0 170.7 Up 09:58:04 - 10:28:04 5992
Oliver 10:13:04 -44.4 Dark Down 64.1 170.6 Up 09:58:04 - 10:28:04 5976
Anarchist Mountain Observatory 10:13:03 -44.3 Dark Down 64.3 171.0 Up 09:58:03 - 10:28:03 5957
Oroville 10:13:04 -44.4 Dark Down 64.4 170.8 Up 09:58:04 - 10:28:04 5950
Tonasket 10:13:05 -44.6 Dark Down 64.6 170.7 Up 09:58:05 - 10:28:05 5927
Okanogan 10:13:06 -44.8 Dark Up 64.9 170.3 Up 09:58:06 - 10:28:06 5894
Brewster 10:13:06 -45.1 Dark Up 65.2 169.8 Up 09:58:06 - 10:28:06 5868
Manson/Chelan 10:13:08 -45.4 Dark Up 65.3 168.9 Up 09:58:08 - 10:28:08 5849
Entiat 10:13:08 -45.6 Dark Up 65.6 168.7 Up 09:58:08 - 10:28:08 5827
Wenatchee 10:13:09 -45.8 Dark Up 65.8 168.3 Up 09:58:09 - 10:28:09 5802
Ellensburg 10:13:10 -46.1 Dark Up 66.2 167.7 Up 09:58:10 - 10:28:10 5762
Yakima 10:13:10 -46.3 Dark Up 66.6 167.4 Up 09:58:10 - 10:28:10 5721
Toppenish/White Swan 10:13:09 -46.4 Dark Up 66.8 167.7 Up 09:58:09 - 10:28:09 5698
Pasco 10:13:05 -45.7 Dark Up 67.1 170.6 Up 09:58:05 - 10:28:05 5678
PNWRO 10:13:03 -45.7 Dark Down 67.3 171.0 Up 09:58:03 - 10:28:03 5651
George/Umatilla 10:13:06 -46.0 Dark Up 67.4 169.9 Up 09:58:06 - 10:28:06 5645
Goldendale 10:13:11 -46.9 Dark Up 67.3 166.4 Up 09:58:11 - 10:28:11 5644
The Dalles 10:13:13 -47.2 Dark Up 67.4 165.5 Up 09:58:13 - 10:28:13 5623
Maupin 10:13:13 -47.4 Dark Up 67.9 165.5 Up 09:58:13 - 10:28:13 5580
Madras/Culver 10:13:13 -47.7 Dark Up 68.4 165.0 Up 09:58:13 - 10:28:13 5524
Sisters 10:13:16 -48.2 Dark Up 68.6 163.7 Up 09:58:16 - 10:28:16 5492
Redmond 10:13:13 -47.9 Dark Up 68.7 164.7 Up 09:58:13 - 10:28:13 5487
Bend 10:13:15 -48.1 Dark Up 68.9 164.2 Up 09:58:15 - 10:28:15 5466
Oregon Observatory 10:13:16 -48.3 Dark Up 69.0 163.7 Up 09:58:16 - 10:28:16 5449
La Pine/Gilchrist 10:13:16 -48.4 Dark Up 69.2 163.4 Up 09:58:16 - 10:28:16 5428
North Lake 10:13:13 -48.3 Dark Up 69.8 164.6 Up 09:58:13 - 10:28:13 5379
Paisley 10:13:12 -48.3 Dark Up 70.4 165.2 Up 09:58:12 - 10:28:12 5319
Chiloquin 10:13:18 -49.2 Dark Up 70.2 161.6 Up 09:58:18 - 10:28:18 5315
Klamath Falls 10:13:18 -49.4 Dark Up 70.5 161.6 Up 09:58:18 - 10:28:18 5279
Lakeview 10:13:12 -48.5 Dark Up 70.9 165.3 Up 09:58:12 - 10:28:12 5264
Tulelake 10:13:17 -49.3 Dark Up 70.9 162.1 Up 09:58:17 - 10:28:17 5248
Cedarville 10:13:11 -48.7 Dark Up 71.5 165.3 Up 09:58:11 - 10:28:11 5194
Fall River/Burney 10:13:17 -49.7 Dark Up 71.8 161.5 Up 09:58:17 - 10:28:17 5152
Susanville 10:13:14 -49.5 Dark Up 72.5 163.0 Up 09:58:14 - 10:28:14 5080
Greenville 10:13:16 -49.8 Dark Up 72.7 161.9 Up 09:58:16 - 10:28:16 5053
Gimple 10:13:16 -49.8 Dark Up 72.7 162.1 Up 09:58:16 - 10:28:16 5052
Quincy 10:13:16 -49.9 Dark Up 72.9 161.7 Up 09:58:16 - 10:28:16 5032
Portola 10:13:14 -49.6 Dark Up 73.1 163.0 Up 09:58:14 - 10:28:14 5015
Niwot 10:12:05 -38.7 Dark Down 71.5 209.2 Up 09:57:05 - 10:27:05 5006
SwRI 10:12:05 -38.8 Dark Down 71.7 209.1 Up 09:57:05 - 10:27:05 4994
Reno 10:13:11 -49.3 Dark Up 73.5 164.7 Up 09:58:11 - 10:28:11 4982
Carson City 10:13:11 -49.5 Dark Up 73.9 164.5 Up 09:58:11 - 10:28:11 4944
Yerington 10:13:08 -49.1 Dark Up 74.2 166.3 Up 09:58:08 - 10:28:08 4919
Gardnerville 10:13:12 -49.5 Dark Up 74.1 164.4 Up 09:58:12 - 10:28:12 4917
Hawthorne 10:13:06 -48.9 Dark Up 74.7 167.7 Up 09:58:06 - 10:28:06 4866
Lee Vining 10:13:08 -49.5 Dark Up 75.2 165.6 Up 09:58:08 - 10:28:08 4809
Tonopah 10:13:00 -48.1 Dark Down 75.4 172.3 Up 09:58:00 - 10:28:00 4808
Bishop 10:13:06 -49.2 Dark Up 75.9 167.6 Up 09:58:06 - 10:28:06 4740
Beatty 10:12:58 -48.2 Dark Down 76.6 173.4 Up 09:57:58 - 10:27:58 4681
Lone Pine 10:13:04 -49.2 Dark Up 76.7 168.2 Up 09:58:04 - 10:28:04 4656
Indian Springs 10:12:53 -47.5 Dark Down 77.0 177.6 Up 09:57:53 - 10:27:53 4641
Henderson 10:12:50 -47.1 Dark Down 77.5 180.3 Up 09:57:50 - 10:27:50 4580
CPSLO 10:13:18 -51.6 Dark Up 77.3 156.5 Up 09:58:18 - 10:28:18 4534
Searchlight/Boulder City 10:12:50 -47.2 Dark Down 78.1 180.6 Up 09:57:50 - 10:27:50 4517
Patrick 10:12:45 -46.4 Dark Down 78.1 185.2 Up 09:57:45 - 10:27:45 4507
Kingman/Dolan Springs 10:12:46 -46.6 Dark Down 78.3 184.5 Up 09:57:46 - 10:27:46 4484
Laughlin/Bullhead City 10:12:49 -47.0 Dark Down 78.4 182.2 Up 09:57:49 - 10:27:49 4484
DCO 10:12:41 -46.0 Dark Down 78.3 188.5 Up 09:57:41 - 10:27:41 4472
Mohave Valley 10:12:49 -47.1 Dark Down 78.7 182.3 Up 09:57:49 - 10:27:49 4454
Lake Havasu City 10:12:48 -47.0 Dark Down 79.0 183.6 Up 09:57:48 - 10:27:48 4409
Wildwood 10:13:08 -50.5 Dark Up 79.0 163.1 Up 09:58:08 - 10:28:08 4388
Parker 10:12:47 -47.1 Dark Down 79.4 183.8 Up 09:57:47 - 10:27:47 4371
Idyllwild 10:12:59 -49.1 Dark Up 79.7 171.7 Up 09:57:59 - 10:27:59 4337
Blythe 10:12:49 -47.5 Dark Down 79.9 182.5 Up 09:57:49 - 10:27:49 4315
Calipatria 10:12:54 -48.3 Dark Down 80.4 177.5 Up 09:57:54 - 10:27:54 4265
Yuma 10:12:50 -47.7 Dark Down 80.9 182.5 Up 09:57:50 - 10:27:50 4214

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 98WX24, (2022/11/04 10:13UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 13.94  77
Alnath         05:26:17.5 +28:36:23  1.6  5.05  90
114 Tau        05:27:38.1 +21:56:13  4.7  1.63  90
PPM 094385     05:27:55.4 +23:17:34  8.4  0.32  90
98WX24         05:27:09.4 +23:33:33 14.1        90
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:19:39 UT

Marc W. Buie, Southwest Research Institute

RECON