RECON: TNO occultation with 00CE105

Event between 00CE105 and star GA1040:03294849 with event index number of 1061959

Geocentric closest approach at 2022/01/04 09:57:51 UTC

J2000 position of star is 09:26:17.8 +15:35:52
Equinox of date position of star is 09:27:30.2 +15:30:07
Stellar brightness G=16.1, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon. Moon is 4% illuminated.
TNO apparent brightness V=23.3

[RECON map]
TNO is 41.8 AU from the Sun and 41.0 AU from the Earth.
The TNO is moving 20.0 km/sec on the sky relative to the star, or, 2.4 arcsec/hr.
The 1-sigma error in the time of the event is 377 seconds.
The 1-sigma cross-track error in the shadow position is 3274 km.
The sky-plane scale is 29709.8 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=238.8 km assuming a 5% albedo -- 11.9 sec chord
Diameter=97.5 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 00CE105, (2022/01/04 09:57UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:09:32.5 +11:51:32  1.3 10.84 157
PPM 126439     09:26:45.5 +16:29:22  6.3  1.00 168
PPM 126489     09:29:37.8 +15:04:07  8.4  0.67 167
PPM 126469     09:28:25.3 +15:14:00  9.5  0.35 167
PPM 126441     09:26:47.9 +15:45:51 11.5  0.31 168
00CE105        09:27:30.5 +15:30:05 16.1       167
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 2.4 sigma about the mid-time.
The median site spacing is 27.1 km RECON observability=1.0 and success probability=7.1%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sleaford 09:58:30 -46.3 Dark Down 53.2 189.9 Up 09:43:30 - 10:13:30 7273
Kamloops 09:59:16 -54.5 Dark Down 54.3 166.5 Up 09:44:16 - 10:14:16 6839
Kelowna 09:59:12 -54.5 Dark Down 55.2 167.7 Up 09:44:12 - 10:14:12 6784
Peachland 09:59:13 -54.8 Dark Down 55.3 167.2 Up 09:44:13 - 10:14:13 6768
Summerland 09:59:12 -54.8 Dark Down 55.5 167.3 Up 09:44:12 - 10:14:12 6756
Penticton 09:59:11 -54.8 Dark Down 55.5 167.4 Up 09:44:11 - 10:14:11 6752
Oliver 09:59:11 -55.0 Dark Down 55.9 167.3 Up 09:44:11 - 10:14:11 6720
Anarchist Mountain Observatory 09:59:11 -55.0 Dark Down 56.1 167.6 Up 09:44:11 - 10:14:11 6709
Tonasket 09:59:12 -55.3 Dark Down 56.4 167.4 Up 09:44:12 - 10:14:12 6679
Okanogan 09:59:12 -55.5 Dark Down 56.7 167.0 Up 09:44:12 - 10:14:12 6645
Brewster 09:59:12 -55.8 Dark Down 56.9 166.6 Up 09:44:12 - 10:14:12 6616
Manson/Chelan 09:59:13 -56.1 Dark Down 57.1 165.9 Up 09:44:13 - 10:14:13 6589
Victoria 09:59:25 -57.3 Dark Down 55.8 160.6 Up 09:44:25 - 10:14:25 6583
Wenatchee 09:59:14 -56.5 Dark Down 57.5 165.4 Up 09:44:14 - 10:14:14 6541
Ellensburg 09:59:13 -56.9 Dark Down 57.8 164.8 Up 09:44:13 - 10:14:13 6498
Yakima 09:59:13 -57.1 Dark Down 58.2 164.6 Up 09:44:13 - 10:14:13 6460
Pasco 09:59:08 -56.5 Dark Down 58.8 167.1 Up 09:44:08 - 10:14:08 6459
Toppenish/White Swan 09:59:11 -57.2 Dark Down 58.5 164.8 Up 09:44:11 - 10:14:11 6443
PNWRO 09:59:06 -56.6 Dark Down 59.1 167.4 Up 09:44:06 - 10:14:06 6441
Goldendale 09:59:13 -57.7 Dark Down 58.9 163.8 Up 09:44:13 - 10:14:13 6382
The Dalles 09:59:13 -58.1 Dark Down 59.1 163.0 Up 09:44:13 - 10:14:13 6353
Maupin 09:59:13 -58.3 Dark Down 59.5 163.0 Up 09:44:13 - 10:14:13 6315
Dunrhomin 09:58:06 -49.7 Dark Down 64.6 195.4 Up 09:43:06 - 10:13:06 6255
Redmond 09:59:13 -58.8 Dark Down 60.3 162.4 Up 09:44:13 - 10:14:13 6227
Sisters 09:59:15 -59.1 Dark Down 60.2 161.7 Up 09:44:15 - 10:14:15 6220
Bend 09:59:14 -59.0 Dark Down 60.5 162.0 Up 09:44:14 - 10:14:14 6203
Oregon Observatory 09:59:14 -59.2 Dark Down 60.6 161.7 Up 09:44:14 - 10:14:14 6184
La Pine/Gilchrist 09:59:13 -59.4 Dark Down 60.8 161.4 Up 09:44:13 - 10:14:13 6163
North Lake 09:59:11 -59.3 Dark Down 61.4 162.3 Up 09:44:11 - 10:14:11 6134
Paisley 09:59:08 -59.3 Dark Down 62.0 162.7 Up 09:44:08 - 10:14:08 6088
Chiloquin 09:59:14 -60.2 Dark Down 61.8 160.1 Up 09:44:14 - 10:14:14 6047
Lakeview 09:59:09 -59.5 Dark Down 62.5 162.8 Up 09:44:09 - 10:14:09 6043
Klamath Falls 09:59:13 -60.4 Dark Down 62.1 160.0 Up 09:44:13 - 10:14:13 6015
Cedarville 09:59:06 -59.7 Dark Down 63.2 162.8 Up 09:44:06 - 10:14:06 5983
Fall River/Burney 09:59:10 -60.7 Dark Down 63.3 160.0 Up 09:44:10 - 10:14:10 5908
Susanville 09:59:07 -60.6 Dark Down 64.1 161.1 Up 09:44:07 - 10:14:07 5862
Gimple 09:59:07 -60.8 Dark Down 64.3 160.4 Up 09:44:07 - 10:14:07 5830
Greenville 09:59:08 -60.9 Dark Down 64.3 160.3 Up 09:44:08 - 10:14:08 5828
Quincy 09:59:07 -61.0 Dark Down 64.5 160.1 Up 09:44:07 - 10:14:07 5808
Portola 09:59:05 -60.7 Dark Down 64.7 161.1 Up 09:44:05 - 10:14:05 5807
Reno 09:59:02 -60.4 Dark Down 65.1 162.3 Up 09:44:02 - 10:14:02 5796
Carson City 09:59:04 -60.5 Dark Down 65.5 162.1 Up 09:44:04 - 10:14:04 5761
Yerington 09:58:59 -60.2 Dark Down 65.8 163.4 Up 09:43:59 - 10:13:59 5757
Gardnerville 09:59:01 -60.6 Dark Down 65.7 162.0 Up 09:44:01 - 10:14:01 5738
Hawthorne 09:58:57 -60.0 Dark Down 66.4 164.3 Up 09:43:57 - 10:13:57 5724
Tonopah 09:58:50 -59.2 Dark Down 67.1 167.3 Up 09:43:50 - 10:13:50 5713
Lee Vining 09:58:57 -60.6 Dark Down 66.8 162.8 Up 09:43:57 - 10:13:57 5656
Bishop 09:58:54 -60.3 Dark Down 67.5 164.1 Up 09:43:54 - 10:13:54 5614
Beatty 09:58:46 -59.2 Dark Down 68.3 167.8 Up 09:43:46 - 10:13:46 5610
Indian Springs 09:58:42 -58.5 Dark Down 68.8 170.4 Up 09:43:42 - 10:13:42 5606
Henderson 09:58:37 -58.1 Dark Down 69.4 172.0 Up 09:43:37 - 10:13:37 5571
Patrick 09:58:33 -57.4 Dark Down 70.1 174.9 Up 09:43:33 - 10:13:33 5539
Kingman/Dolan Springs 09:58:33 -57.6 Dark Down 70.3 174.3 Up 09:43:33 - 10:13:33 5512
Laughlin/Bullhead City 09:58:34 -58.1 Dark Down 70.3 172.8 Up 09:43:34 - 10:13:34 5495
Mohave Valley 09:58:35 -58.1 Dark Down 70.6 172.7 Up 09:43:35 - 10:13:35 5468
Lake Havasu City 09:58:33 -58.0 Dark Down 71.0 173.3 Up 09:43:33 - 10:13:33 5434
George/Scottsdale 09:58:22 -56.2 Dark Down 71.9 180.5 Up 09:43:22 - 10:13:22 5427
Parker 09:58:33 -58.1 Dark Down 71.3 173.3 Up 09:43:33 - 10:13:33 5400
CPSLO 09:59:01 -62.7 Dark Down 68.9 156.8 Up 09:44:01 - 10:14:01 5349
Blythe 09:58:32 -58.4 Dark Down 71.8 172.2 Up 09:43:32 - 10:13:32 5338
Idyllwild 09:58:42 -60.1 Dark Down 71.4 165.9 Up 09:43:42 - 10:13:42 5292
Wildwood 09:58:51 -61.5 Dark Down 70.6 160.9 Up 09:43:51 - 10:13:51 5278
Calipatria 09:58:36 -59.3 Dark Down 72.2 169.1 Up 09:43:36 - 10:13:36 5262
Yuma 09:58:32 -58.6 Dark Down 72.7 171.6 Up 09:43:32 - 10:13:32 5244

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 00CE105, (2022/01/04 09:57UT)
Object            RA         Dec     mag  sep  mel
Regulus        10:08:22.0 +11:58:02  1.3 10.84 157
PPM 126439     09:25:32.4 +16:35:07  6.3  1.00 168
PPM 126489     09:28:25.2 +15:09:56  8.4  0.67 167
PPM 126469     09:27:12.7 +15:19:47  9.5  0.35 167
PPM 126441     09:25:35.1 +15:51:36 11.5  0.31 168
00CE105        09:26:17.8 +15:35:52 16.1       167
Positions are for J2000

Event circumstances last updated at 2021/12/03 01:43:43 UT

Marc W. Buie, Southwest Research Institute

RECON