RECON: TNO occultation with 10SB41

Event between 10SB41 and star GA0980:00223509 with event index number of 2102860

Geocentric closest approach at 2022/10/15 03:51:27 UTC

J2000 position of star is 02:37:08.1 +09:45:40
Equinox of date position of star is 02:38:18.7 +09:51:19
Stellar brightness G=15.2, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 45 degrees from the moon. Moon is 73% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 28.5 AU from the Sun and 27.6 AU from the Earth.
The TNO is moving 22.2 km/sec on the sky relative to the star, or, 4.0 arcsec/hr.
The 1-sigma error in the time of the event is 88 seconds.
The 1-sigma cross-track error in the shadow position is 1350 km.
The sky-plane scale is 20011.8 km/arcsec.

The TNO has an absolute magnitude Hv=8.0
Diameter=150.0 km assuming a 5% albedo -- 6.8 sec chord
Diameter=61.2 km assuming a 30% albedo -- 2.8 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10SB41, (2022/10/15 03:49UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:13.8 +16:33:12  0.8 29.66  17
Menkar         03:03:28.4 +04:10:40  2.5  8.43  42
PPM 118474     02:43:42.8 +10:50:15  6.3  1.64  43
PPM 145777     02:40:12.7 +09:01:01  7.6  0.96  45
PPM 145759     02:38:38.7 +09:39:34  9.0  0.21  45
PPM 145754     02:38:17.2 +09:58:56 11.4  0.12  45
10SB41         02:38:21.5 +09:51:33 15.2        44
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 5.0 sigma about the mid-time.
The median site spacing is 27.2 km RECON observability=0.2 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kamloops 03:53:02 -26.2 Dark Up 15.3 93.3 Really Low 03:45:15 - 04:00:50 8582
Victoria 03:53:13 -25.0 Dark Up 13.4 90.4 Really Low 03:45:26 - 04:01:01 8543
Peachland 03:53:07 -26.9 Dark Up 15.8 93.5 Really Low 03:45:19 - 04:00:54 8535
Kelowna 03:53:06 -27.0 Dark Up 15.9 93.7 Really Low 03:45:18 - 04:00:53 8534
Summerland 03:53:07 -27.0 Dark Up 15.8 93.5 Really Low 03:45:20 - 04:00:55 8527
Penticton 03:53:07 -27.1 Dark Up 15.9 93.6 Really Low 03:45:20 - 04:00:55 8522
Oliver 03:53:08 -27.2 Dark Up 15.9 93.5 Really Low 03:45:21 - 04:00:56 8508
Anarchist Mountain Observatory 03:53:09 -27.4 Dark Up 16.1 93.6 Really Low 03:45:22 - 04:00:57 8498
Tonasket 03:53:11 -27.4 Dark Up 16.0 93.4 Really Low 03:45:24 - 04:00:59 8485
Okanogan 03:53:13 -27.5 Dark Up 16.0 93.2 Really Low 03:45:26 - 04:01:01 8473
Brewster 03:53:14 -27.4 Dark Up 15.9 93.0 Really Low 03:45:27 - 04:01:02 8465
Manson/Chelan 03:53:16 -27.3 Dark Up 15.6 92.7 Really Low 03:45:29 - 04:01:04 8462
Wenatchee 03:53:18 -27.3 Dark Up 15.5 92.4 Really Low 03:45:30 - 04:01:05 8444
Ellensburg 03:53:19 -27.3 Dark Up 15.4 92.2 Really Low 03:45:32 - 04:01:07 8429
Yakima 03:53:21 -27.4 Dark Up 15.4 92.0 Really Low 03:45:34 - 04:01:09 8411
Toppenish/White Swan 03:53:22 -27.6 Dark Up 15.5 92.1 Really Low 03:45:35 - 04:01:10 8398
Goldendale 03:53:25 -27.5 Dark Down 15.3 91.7 Really Low 03:45:37 - 04:01:12 8380
The Dalles 03:53:26 -27.3 Dark Down 15.0 91.3 Really Low 03:45:39 - 04:01:14 8375
Sleaford 03:52:45 -33.5 Dark Up 23.9 105.5 Low 03:44:57 - 04:00:32 8374
Pasco 03:53:22 -28.5 Dark Up 16.4 93.0 Really Low 03:45:35 - 04:01:10 8369
PNWRO 03:53:23 -28.7 Dark Up 16.6 93.1 Really Low 03:45:36 - 04:01:11 8354
Maupin 03:53:28 -27.5 Dark Down 15.1 91.3 Really Low 03:45:40 - 04:01:15 8353
Sisters 03:53:32 -27.4 Dark Down 14.8 90.7 Really Low 03:45:44 - 04:01:19 8319
Redmond 03:53:32 -27.7 Dark Down 15.1 91.0 Really Low 03:45:44 - 04:01:19 8311
Bend 03:53:33 -27.7 Dark Down 15.0 90.9 Really Low 03:45:46 - 04:01:21 8303
Oregon Observatory 03:53:34 -27.6 Dark Down 14.9 90.7 Really Low 03:45:46 - 04:01:21 8297
La Pine/Gilchrist 03:53:34 -27.7 Dark Down 14.9 90.6 Really Low 03:45:47 - 04:01:22 8287
North Lake 03:53:37 -28.2 Dark Down 15.3 90.9 Really Low 03:45:49 - 04:01:24 8254
Chiloquin 03:53:40 -27.7 Dark Down 14.6 90.1 Really Low 03:45:52 - 04:01:27 8236
Paisley 03:53:39 -28.6 Dark Down 15.6 91.0 Really Low 03:45:51 - 04:01:26 8219
Klamath Falls 03:53:41 -27.9 Dark Down 14.7 90.1 Really Low 03:45:54 - 04:01:29 8217
Lakeview 03:53:41 -28.9 Dark Down 15.7 91.0 Really Low 03:45:54 - 04:01:29 8188
Cedarville 03:53:43 -29.2 Dark Down 15.9 91.0 Really Low 03:45:56 - 04:01:31 8149
Fall River/Burney 03:53:47 -28.5 Dark Down 15.0 90.0 Really Low 03:45:59 - 04:01:34 8146
Susanville 03:53:49 -29.2 Dark Down 15.6 90.3 Really Low 03:46:01 - 04:01:36 8097
Greenville 03:53:50 -29.0 Dark Down 15.3 90.1 Really Low 03:46:03 - 04:01:38 8087
Gimple 03:53:50 -29.1 Dark Down 15.4 90.1 Really Low 03:46:03 - 04:01:38 8085
Quincy 03:53:51 -29.1 Dark Down 15.3 90.0 Really Low 03:46:04 - 04:01:39 8075
Portola 03:53:52 -29.5 Dark Down 15.7 90.3 Really Low 03:46:04 - 04:01:39 8059
Reno 03:53:53 -30.0 Dark Down 16.2 90.6 Really Low 03:46:05 - 04:01:40 8030
Carson City 03:53:54 -30.1 Dark Down 16.2 90.6 Really Low 03:46:06 - 04:01:41 8009
Gardnerville 03:53:55 -30.2 Dark Down 16.3 90.5 Really Low 03:46:08 - 04:01:43 7994
Yerington 03:53:54 -30.7 Dark Down 16.7 90.9 Really Low 03:46:07 - 04:01:42 7985
Hawthorne 03:53:56 -31.2 Dark Down 17.2 91.1 Really Low 03:46:09 - 04:01:44 7946
Lee Vining 03:53:58 -31.0 Dark Down 16.8 90.6 Really Low 03:46:11 - 04:01:46 7923
Tonopah 03:53:57 -32.4 Dark Down 18.3 91.8 Really Low 03:46:10 - 04:01:45 7888
Bishop 03:54:01 -31.7 Dark Down 17.4 90.9 Really Low 03:46:13 - 04:01:48 7870
Beatty 03:54:02 -33.1 Dark Down 18.7 91.7 Really Low 03:46:14 - 04:01:49 7806
CPSLO 03:54:10 -30.4 Dark Down 15.6 89.0 Really Low 03:46:23 - 04:01:58 7787
Indian Springs 03:54:02 -34.0 Dark Down 19.6 92.3 Really Low 03:46:14 - 04:01:49 7761
Dunrhomin 03:53:35 -40.2 Dark Up 27.3 100.8 Low 03:45:47 - 04:01:22 7737
Henderson 03:54:03 -34.7 Dark Down 20.2 92.5 Low 03:46:16 - 04:01:51 7710
Wildwood 03:54:14 -32.3 Dark Down 17.3 89.8 Really Low 03:46:27 - 04:02:02 7664
Laughlin/Bullhead City 03:54:07 -35.3 Dark Down 20.6 92.5 Low 03:46:19 - 04:01:54 7643
Patrick 03:54:05 -35.7 Dark Down 21.1 93.0 Low 03:46:17 - 04:01:52 7643
Kingman/Dolan Springs 03:54:06 -35.7 Dark Down 21.0 92.8 Low 03:46:19 - 04:01:54 7633
Mohave Valley 03:54:08 -35.3 Dark Down 20.6 92.4 Low 03:46:20 - 04:01:55 7625
Idyllwild 03:54:14 -33.9 Dark Down 18.9 90.7 Really Low 03:46:27 - 04:02:02 7598
Lake Havasu City 03:54:09 -35.6 Dark Down 20.8 92.4 Low 03:46:22 - 04:01:57 7592
Parker 03:54:10 -35.8 Dark Down 20.8 92.2 Low 03:46:22 - 04:01:57 7567
Blythe 03:54:13 -35.7 Dark Down 20.6 91.9 Low 03:46:26 - 04:02:01 7539
Calipatria 03:54:15 -35.0 Dark Down 19.9 91.2 Really Low 03:46:28 - 04:02:03 7527
George/Scottsdale 03:54:10 -37.8 Dark Down 22.9 93.5 Low 03:46:22 - 04:01:57 7479
Yuma 03:54:16 -35.9 Dark Down 20.6 91.5 Low 03:46:29 - 04:02:04 7476

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 10SB41, (2022/10/15 03:49UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 29.66  17
Menkar         03:02:16.8 +04:05:21  2.5  8.43  42
PPM 118474     02:42:28.9 +10:44:29  6.3  1.64  43
PPM 145777     02:38:59.5 +08:55:11  7.6  0.96  45
PPM 145759     02:37:25.4 +09:33:41  9.0  0.21  45
PPM 145754     02:37:03.7 +09:53:03 11.4  0.12  45
10SB41         02:37:08.1 +09:45:40 15.2        45
Positions are for J2000

Event circumstances last updated at 2021/12/08 01:55:44 UT

Marc W. Buie, Southwest Research Institute

RECON