RECON: TNO occultation with 15PF312

Event between 15PF312 and star GA0900:00335967 with event index number of 2381516

Geocentric closest approach at 2028/11/23 09:17:35 UTC

J2000 position of star is 03:52:44.3 +01:53:59
Equinox of date position of star is 03:53:58.9 +01:58:11
Stellar brightness G=14.1, use SENSEUP=64 with the MallinCam and and exposure time of 1 seconds with the QHY174 camera.
Star is 93 degrees from the moon. Moon is 44% illuminated.
Apparent brightness V=22.2

[RECON map]
Object is 41.2 AU from the Sun and 40.2 AU from the Earth.
Apparent velocity is 25.2 km/sec on the sky relative to the star, or, 3.1 arcsec/hr.
The 1-sigma error in the time of the event is 145 seconds.
The 1-sigma cross-track error in the shadow position is 1758 km.
The sky-plane scale is 29173.6 km/arcsec.

The object has an absolute magnitude Hv=6.1
Diameter=353.2 km assuming a 5% albedo -- 14.1 sec chord
Diameter=144.2 km assuming a 30% albedo -- 5.8 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 15PF312, (2028/11/23 09:32UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:34.9 +16:33:55  0.8 18.06 105
Menkar         03:03:47.6 +04:12:05  2.5 12.79  80
PPM 146935     03:50:08.1 +00:18:53  5.9  1.96  91
PPM 146996     03:54:17.6 +01:49:57  8.3  0.15  92
PPM 147000     03:54:41.0 +02:00:36 10.1  0.11  93
15PF312        03:54:14.3 +01:59:03 14.1        93
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 28.3 km RECON observability=1.0 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 09:15:56 -55.2 Dark Down 37.4 209.8 Up 09:03:20 - 09:28:31 6464
Sleaford 09:15:24 -47.7 Dark Down 30.8 225.3 Up 09:02:48 - 09:27:59 6423
Kelowna 09:15:54 -55.5 Dark Down 37.8 211.2 Up 09:03:18 - 09:28:29 6389
Peachland 09:15:54 -55.7 Dark Down 38.0 210.9 Up 09:03:19 - 09:28:30 6384
Summerland 09:15:55 -55.8 Dark Down 38.1 211.1 Up 09:03:19 - 09:28:30 6371
Penticton 09:15:53 -55.8 Dark Down 38.1 211.2 Up 09:03:17 - 09:28:28 6364
Oliver 09:15:53 -56.0 Dark Down 38.4 211.4 Up 09:03:17 - 09:28:28 6336
Victoria 09:16:03 -58.1 Dark Down 40.2 207.0 Up 09:03:27 - 09:28:38 6330
Anarchist Mountain Observatory 09:15:52 -56.1 Dark Down 38.5 211.7 Up 09:03:17 - 09:28:28 6320
Okanogan 09:15:52 -56.7 Dark Down 39.1 211.7 Up 09:03:17 - 09:28:28 6270
Brewster 09:15:53 -57.0 Dark Down 39.4 211.6 Up 09:03:17 - 09:28:28 6250
Manson/Chelan 09:15:54 -57.3 Dark Down 39.7 211.2 Up 09:03:18 - 09:28:29 6238
Wenatchee 09:15:54 -57.7 Dark Down 40.2 211.2 Up 09:03:19 - 09:28:30 6201
Ellensburg 09:15:54 -58.1 Dark Down 40.6 211.1 Up 09:03:18 - 09:28:29 6170
Yakima 09:15:55 -58.4 Dark Down 41.0 211.3 Up 09:03:19 - 09:28:30 6136
Toppenish/White Swan 09:15:53 -58.5 Dark Down 41.1 211.6 Up 09:03:17 - 09:28:28 6116
PNWRO 09:15:49 -58.1 Dark Down 40.9 213.6 Up 09:03:13 - 09:28:24 6065
The Dalles 09:15:55 -59.5 Dark Down 42.1 211.0 Up 09:03:20 - 09:28:31 6060
Maupin 09:15:56 -59.7 Dark Down 42.4 211.3 Up 09:03:20 - 09:28:31 6023
Sisters 09:15:56 -60.6 Dark Down 43.3 211.1 Up 09:03:20 - 09:28:31 5955
Bend 09:15:55 -60.7 Dark Down 43.4 211.5 Up 09:03:19 - 09:28:30 5931
Oregon Observatory 09:15:55 -60.8 Dark Down 43.6 211.5 Up 09:03:19 - 09:28:30 5918
Chiloquin 09:15:56 -62.0 Dark Down 44.9 211.6 Up 09:03:21 - 09:28:32 5809
Klamath Falls 09:15:55 -62.2 Dark Down 45.2 211.9 Up 09:03:19 - 09:28:30 5777
Cedarville 09:15:51 -61.8 Dark Down 45.1 214.3 Up 09:03:15 - 09:28:26 5693
Fall River/Burney 09:15:54 -62.8 Dark Down 46.0 213.0 Up 09:03:19 - 09:28:30 5667
Greenville 09:15:52 -63.2 Dark Down 46.6 214.1 Up 09:03:16 - 09:28:27 5579
Gimple 09:15:52 -63.1 Dark Down 46.5 214.2 Up 09:03:16 - 09:28:27 5577
Quincy 09:15:52 -63.3 Dark Down 46.7 214.3 Up 09:03:16 - 09:28:27 5560
Portola 09:15:51 -63.1 Dark Down 46.6 215.0 Up 09:03:15 - 09:28:26 5542
Reno 09:15:48 -62.9 Dark Down 46.6 215.9 Up 09:03:13 - 09:28:24 5509
Carson City 09:15:48 -63.1 Dark Down 46.8 216.2 Up 09:03:13 - 09:28:24 5475
Gardnerville 09:15:48 -63.2 Dark Down 47.0 216.4 Up 09:03:12 - 09:28:23 5452
Yerington 09:15:46 -62.8 Dark Down 46.7 217.1 Up 09:03:10 - 09:28:21 5448
Hawthorne 09:15:44 -62.8 Dark Down 46.8 218.1 Up 09:03:09 - 09:28:20 5398
Dunrhomin 09:15:08 -52.9 Dark Down 38.3 232.1 Up 09:02:32 - 09:27:43 5385
Nikitin 09:15:08 -52.9 Dark Down 38.4 232.2 Up 09:02:32 - 09:27:43 5368
CU-SBO 09:15:08 -53.0 Dark Down 38.5 232.2 Up 09:02:32 - 09:27:43 5363
Lee Vining 09:15:45 -63.4 Dark Down 47.5 217.9 Up 09:03:10 - 09:28:21 5352
Bishop 09:15:43 -63.3 Dark Down 47.6 219.2 Up 09:03:07 - 09:28:18 5285
Beatty 09:15:39 -62.4 Dark Down 47.1 221.6 Up 09:03:03 - 09:28:14 5218
Patrick 09:15:29 -61.0 Dark Down 46.6 226.1 Up 09:02:54 - 09:28:05 5035
Laughlin/Bullhead City 09:15:30 -61.6 Dark Down 47.2 225.5 Up 09:02:55 - 09:28:06 5020
Wildwood 09:15:42 -65.0 Dark Down 50.2 221.3 Up 09:03:07 - 09:28:18 4976
Lake Havasu City 09:15:30 -61.7 Dark Down 47.5 226.3 Up 09:02:54 - 09:28:05 4952
Idyllwild 09:15:37 -63.8 Dark Down 49.4 224.0 Up 09:03:01 - 09:28:12 4913
George/Scottsdale 09:15:21 -60.1 Dark Down 46.5 229.7 Up 09:02:46 - 09:27:57 4841
Calipatria 09:15:32 -63.1 Dark Down 49.2 226.0 Up 09:02:57 - 09:28:08 4835
Yuma 09:15:30 -62.6 Dark Down 48.9 227.4 Up 09:02:54 - 09:28:05 4779

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 15PF312, (2028/11/23 09:32UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 18.06 105
Menkar         03:02:16.8 +04:05:21  2.5 12.79  80
PPM 146935     03:48:39.0 +00:13:40  5.9  1.96  91
PPM 146996     03:52:47.7 +01:44:53  8.3  0.15  92
PPM 147000     03:53:11.0 +01:55:33 10.1  0.11  93
15PF312        03:52:44.3 +01:53:59 14.1        92
Positions are for J2000

Event circumstances last updated at 2023/12/18 04:57:24 UT

Marc W. Buie, Southwest Research Institute

RECON