RECON: TNO occultation with 15874

Event between (15874) 96TL66 and star GA0940:00826527 with event index number of 1230057

Geocentric closest approach at 2022/11/21 06:38:59 UTC

J2000 position of star is 05:36:57.5 +05:17:38
Equinox of date position of star is 05:37:59.7 +05:18:17
Stellar brightness G=15.3, use SENSEUP=128
Star is 119 degrees from the moon. Moon is 9% illuminated.
TNO apparent brightness V=21.2

[RECON map]
TNO is 39.0 AU from the Sun and 38.1 AU from the Earth.
The TNO is moving 22.6 km/sec on the sky relative to the star, or, 2.9 arcsec/hr.
The 1-sigma error in the time of the event is 369 seconds.
The 1-sigma cross-track error in the shadow position is 2810 km.
The sky-plane scale is 27643.7 km/arcsec.

The TNO has an absolute magnitude Hv=5.3
Diameter=524.8 km assuming a 5% albedo -- 23.2 sec chord
Diameter=214.3 km assuming a 30% albedo -- 9.5 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 15874, (2022/11/21 06:39UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:24.7 +07:24:34  0.4  4.99 115
Bellatrix      05:26:21.6 +06:22:07  1.6  3.13 122
PPM 149151     05:35:56.7 +05:40:29  6.4  0.67 120
PPM 149190     05:37:04.5 +05:02:30  8.2  0.38 119
PPM 149209     05:37:44.8 +05:32:01  8.9  0.25 119
15874          05:38:10.7 +05:18:23 15.3       119
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 11.7 km RECON observability=1.0 and success probability=13.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 06:40:02 -57.5 Dark Down 32.5 125.9 Up 06:25:02 - 06:55:02 276
Summerland 06:40:04 -57.7 Dark Down 32.5 125.4 Up 06:25:04 - 06:55:04 264
Penticton 06:40:04 -57.8 Dark Down 32.6 125.5 Up 06:25:04 - 06:55:04 258
Okanagan Falls 06:40:05 -57.9 Dark Down 32.7 125.4 Up 06:25:05 - 06:55:05 247
Oliver 06:40:05 -58.1 Dark Down 32.8 125.3 Up 06:25:05 - 06:55:05 237
Anarchist Mountain Observatory 06:40:06 -58.3 Dark Down 33.0 125.4 Up 06:25:06 - 06:55:06 223
Oroville 06:40:06 -58.3 Dark Down 33.0 125.3 Up 06:25:06 - 06:55:06 220
Yakima 06:40:08 -59.9 Dark Down 33.7 122.9 Up 06:25:08 - 06:55:08 214
Toppenish/White Swan 06:40:08 -60.2 Dark Down 33.9 123.0 Up 06:25:08 - 06:55:08 214
Tonasket 06:40:06 -58.5 Dark Down 33.2 125.2 Up 06:25:06 - 06:55:06 207
Ellensburg 06:40:08 -59.6 Dark Down 33.5 123.2 Up 06:25:08 - 06:55:08 201
Okanogan 06:40:08 -58.8 Dark Down 33.3 124.9 Up 06:25:08 - 06:55:08 189
Wenatchee 06:40:08 -59.3 Dark Down 33.4 123.6 Up 06:25:08 - 06:55:08 185
Manson/Chelan 06:40:08 -59.0 Dark Down 33.2 124.1 Up 06:25:08 - 06:55:08 185
Entiat 06:40:08 -59.1 Dark Down 33.3 123.9 Up 06:25:08 - 06:55:08 183
Brewster 06:40:08 -58.9 Dark Down 33.3 124.5 Up 06:25:08 - 06:55:08 180
Pasco 06:40:08 -60.7 Dark Down 34.7 124.2 Up 06:25:08 - 06:55:08 150
Chiloquin 06:40:33 -62.7 Dark Down 35.1 119.4 Up 06:25:33 - 06:55:33 -136
PNWRO 06:40:08 -61.0 Dark Down 35.0 124.3 Up 06:25:08 - 06:55:08 -150
Klamath Falls 06:40:33 -63.0 Dark Down 35.3 119.3 Up 06:25:33 - 06:55:33 -161
George/Umatilla 06:40:08 -61.0 Dark Down 34.8 123.8 Up 06:25:08 - 06:55:08 -181
Tulelake 06:40:34 -63.3 Dark Down 35.6 119.4 Up 06:25:34 - 06:55:34 -186
Lakeview 06:40:30 -63.7 Dark Down 36.2 120.6 Up 06:25:30 - 06:55:30 -194
Cedarville 06:40:32 -64.3 Dark Down 36.7 120.4 Up 06:25:32 - 06:55:32 -244
Fall River/Burney 06:40:37 -64.1 Dark Down 36.1 118.9 Up 06:25:37 - 06:55:37 -251
Goldendale 06:40:08 -60.5 Dark Down 34.0 122.3 Up 06:25:08 - 06:55:08 -268
The Dalles 06:40:08 -60.5 Dark Down 33.9 121.8 Up 06:25:08 - 06:55:08 -302
Susanville 06:40:37 -64.9 Dark Down 36.9 119.2 Up 06:25:37 - 06:55:37 -312
Greenville 06:40:38 -65.0 Dark Down 36.9 118.8 Up 06:25:38 - 06:55:38 -325
Maupin 06:40:08 -60.9 Dark Down 34.2 121.6 Up 06:25:08 - 06:55:08 -326
Gimple 06:40:38 -65.0 Dark Down 36.9 118.8 Up 06:25:38 - 06:55:38 -327
Quincy 06:40:39 -65.1 Dark Down 37.0 118.6 Up 06:25:39 - 06:55:39 -340
Portola 06:40:38 -65.5 Dark Down 37.3 119.0 Up 06:25:38 - 06:55:38 -359
Madras/Culver 06:40:08 -61.3 Dark Down 34.4 121.3 Up 06:25:08 - 06:55:08 -370
Reno 06:40:38 -66.0 Dark Down 37.9 119.4 Up 06:25:38 - 06:55:38 -393
Redmond 06:40:08 -61.6 Dark Down 34.6 121.0 Up 06:25:08 - 06:55:08 -401
Sisters 06:40:08 -61.4 Dark Down 34.3 120.7 Up 06:25:08 - 06:55:08 -419
Carson City 06:40:39 -66.3 Dark Down 38.1 119.2 Up 06:25:39 - 06:55:39 -420
Bend 06:40:08 -61.7 Dark Down 34.6 120.8 Up 06:25:08 - 06:55:08 -426
Gardnerville 06:40:39 -66.5 Dark Down 38.3 119.1 Up 06:25:39 - 06:55:39 -439
Oregon Observatory 06:40:08 -61.8 Dark Down 34.6 120.5 Up 06:25:08 - 06:55:08 -447
Yerington 06:40:37 -66.7 Dark Down 38.6 119.7 Up 06:25:37 - 06:55:37 -449
La Pine/Gilchrist 06:40:08 -61.9 Dark Down 34.7 120.4 Up 06:25:08 - 06:55:08 -467
North Lake 06:40:08 -62.5 Dark Down 35.3 120.7 Up 06:25:08 - 06:55:08 -476
Hawthorne 06:40:38 -67.4 Dark Down 39.2 119.8 Up 06:25:38 - 06:55:38 -495
Paisley 06:40:08 -63.1 Dark Down 35.8 120.7 Up 06:25:08 - 06:55:08 -509
Lee Vining 06:40:41 -67.6 Dark Down 39.2 119.0 Up 06:25:41 - 06:55:41 -526
Tonopah 06:40:35 -68.4 Dark Down 40.4 120.8 Up 06:25:35 - 06:55:35 -563
Bishop 06:40:41 -68.4 Dark Down 40.0 119.2 Up 06:25:41 - 06:55:41 -588
Lone Pine 06:40:42 -69.1 Dark Down 40.6 119.0 Up 06:25:42 - 06:55:42 -655
Beatty 06:40:38 -69.6 Dark Down 41.3 120.4 Up 06:25:38 - 06:55:38 -662
CPSLO 06:40:53 -68.6 Dark Down 39.3 115.7 Up 06:25:53 - 06:55:53 -694
Niwot 06:39:55 -69.8 Dark Down 46.4 135.2 Up 06:24:55 - 06:54:55 -695
SwRI 06:39:55 -69.9 Dark Down 46.4 135.0 Up 06:24:55 - 06:54:55 -701
Indian Springs 06:40:35 -70.3 Dark Down 42.2 121.2 Up 06:25:35 - 06:55:35 -714
Henderson 06:40:35 -71.1 Dark Down 43.0 121.5 Up 06:25:35 - 06:55:35 -773
Searchlight/Boulder City 06:40:36 -71.6 Dark Down 43.3 121.1 Up 06:25:36 - 06:55:36 -820
Wildwood 06:40:51 -70.7 Dark Down 41.4 116.6 Up 06:25:51 - 06:55:51 -839
Patrick 06:40:34 -72.1 Dark Down 44.1 122.0 Up 06:25:34 - 06:55:34 -850
Laughlin/Bullhead City 06:40:37 -72.0 Dark Down 43.7 121.2 Up 06:25:37 - 06:55:37 -852
Kingman/Dolan Springs 06:40:35 -72.2 Dark Down 44.1 121.7 Up 06:25:35 - 06:55:35 -863
Mohave Valley 06:40:37 -72.2 Dark Down 43.9 120.9 Up 06:25:37 - 06:55:37 -874
DCO 06:40:32 -72.7 Dark Down 44.7 122.5 Up 06:25:32 - 06:55:32 -892
Lake Havasu City 06:40:38 -72.7 Dark Down 44.2 120.9 Up 06:25:38 - 06:55:38 -913
Idyllwild 06:40:46 -72.0 Dark Down 42.9 118.0 Up 06:25:46 - 06:55:46 -915
Parker 06:40:38 -73.0 Dark Down 44.4 120.6 Up 06:25:38 - 06:55:38 -942
Blythe 06:40:41 -73.2 Dark Down 44.5 119.9 Up 06:25:41 - 06:55:41 -977
Calipatria 06:40:45 -73.1 Dark Down 44.1 118.6 Up 06:25:45 - 06:55:45 -994
Yuma 06:40:43 -73.9 Dark Down 44.9 119.0 Up 06:25:43 - 06:55:43 -1053

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 15874, (2022/11/21 06:39UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  4.99 115
Bellatrix      05:25:07.8 +06:20:58  1.6  3.13 122
PPM 149151     05:34:43.3 +05:39:40  6.4  0.67 120
PPM 149190     05:35:51.4 +05:01:43  8.2  0.38 119
PPM 149209     05:36:31.4 +05:31:15  8.9  0.25 119
15874          05:36:57.5 +05:17:38 15.3       119
Positions are for J2000

Event circumstances last updated at 2019/06/08 04:22:45 UT

Marc W. Buie, Southwest Research Institute

RECON