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 06:39:16 UTC

J2000 position of star is 05:36:57.5 +05:17:38
Equinox of date position of star is 05:38:02.1 +05:18:18
Stellar brightness G=15.3, use SENSEUP=128
Star is 119 degrees from the moon. Moon is 9% illuminated.
TNO apparent brightness V=25.9

[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 314 seconds.
The 1-sigma cross-track error in the shadow position is 2561 km.
The sky-plane scale is 27643.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=524.8 km assuming a 5% albedo -- 2.7 sec chord
Diameter=214.3 km assuming a 30% albedo -- 1.1 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     05:37:04.4 +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 2.9 sigma about the mid-time.
The median site spacing is 17.0 km RECON observability=1.0 and success probability=14.9%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 06:40:08 -57.2 Dark Down 32.3 126.1 Up 06:25:08 - 06:55:08 1214
Peachland 06:40:08 -57.5 Dark Down 32.4 125.4 Up 06:25:08 - 06:55:08 1209
Kelowna 06:40:08 -57.5 Dark Down 32.5 125.8 Up 06:25:08 - 06:55:08 1204
Summerland 06:40:08 -57.7 Dark Down 32.5 125.5 Up 06:25:08 - 06:55:08 1200
Penticton 06:40:08 -57.8 Dark Down 32.6 125.5 Up 06:25:08 - 06:55:08 1195
Oliver 06:40:08 -58.1 Dark Down 32.8 125.3 Up 06:25:08 - 06:55:08 1183
Anarchist Mountain Observatory 06:40:08 -58.3 Dark Down 33.0 125.4 Up 06:25:08 - 06:55:08 1171
Victoria 06:40:34 -57.3 Dark Down 31.1 121.3 Up 06:25:34 - 06:55:34 1164
Tonasket 06:40:08 -58.5 Dark Down 33.2 125.2 Up 06:25:08 - 06:55:08 1163
Brewster 06:40:08 -58.9 Dark Down 33.3 124.5 Up 06:25:08 - 06:55:08 1158
Okanogan 06:40:08 -58.8 Dark Down 33.3 124.9 Up 06:25:08 - 06:55:08 1158
Manson/Chelan 06:40:29 -59.0 Dark Down 33.3 124.1 Up 06:25:29 - 06:55:29 1064
Entiat 06:40:30 -59.2 Dark Down 33.4 124.0 Up 06:25:30 - 06:55:30 1052
Wenatchee 06:40:31 -59.4 Dark Down 33.4 123.7 Up 06:25:31 - 06:55:31 1038
Ellensburg 06:40:33 -59.6 Dark Down 33.6 123.3 Up 06:25:33 - 06:55:33 1017
Yakima 06:40:34 -60.0 Dark Down 33.8 123.0 Up 06:25:34 - 06:55:34 992
Toppenish/White Swan 06:40:34 -60.2 Dark Down 34.0 123.1 Up 06:25:34 - 06:55:34 975
Goldendale 06:40:38 -60.5 Dark Down 34.0 122.4 Up 06:25:38 - 06:55:38 949
The Dalles 06:40:39 -60.6 Dark Down 34.0 121.9 Up 06:25:39 - 06:55:39 942
Pasco 06:40:32 -60.8 Dark Down 34.8 124.3 Up 06:25:32 - 06:55:32 942
PNWRO 06:40:32 -61.1 Dark Down 35.1 124.4 Up 06:25:32 - 06:55:32 922
Maupin 06:40:40 -61.0 Dark Down 34.2 121.8 Up 06:25:40 - 06:55:40 913
Sisters 06:40:44 -61.5 Dark Down 34.4 120.8 Up 06:25:44 - 06:55:44 866
Redmond 06:40:43 -61.7 Dark Down 34.7 121.2 Up 06:25:43 - 06:55:43 857
Bend 06:40:45 -61.8 Dark Down 34.7 120.9 Up 06:25:45 - 06:55:45 845
Oregon Observatory 06:40:45 -61.8 Dark Down 34.7 120.7 Up 06:25:45 - 06:55:45 837
La Pine/Gilchrist 06:40:46 -62.0 Dark Down 34.8 120.5 Up 06:25:46 - 06:55:46 824
North Lake 06:40:46 -62.6 Dark Down 35.4 120.8 Up 06:25:46 - 06:55:46 783
Paisley 06:40:47 -63.2 Dark Down 35.9 120.8 Up 06:25:47 - 06:55:47 738
Klamath Falls 06:40:52 -63.0 Dark Down 35.3 119.4 Up 06:25:52 - 06:55:52 732
Lakeview 06:40:48 -63.7 Dark Down 36.3 120.7 Up 06:25:48 - 06:55:48 699
Cedarville 06:40:50 -64.3 Dark Down 36.7 120.4 Up 06:25:50 - 06:55:50 650
Fall River/Burney 06:40:55 -64.1 Dark Down 36.2 119.0 Up 06:25:55 - 06:55:55 642
Susanville 06:40:55 -64.9 Dark Down 37.0 119.3 Up 06:25:55 - 06:55:55 581
Greenville 06:40:56 -65.0 Dark Down 36.9 118.8 Up 06:25:56 - 06:55:56 568
Gimple 06:40:56 -65.1 Dark Down 37.0 118.9 Up 06:25:56 - 06:55:56 566
Quincy 06:40:57 -65.2 Dark Down 37.0 118.7 Up 06:25:57 - 06:55:57 553
Portola 06:40:57 -65.5 Dark Down 37.4 119.1 Up 06:25:57 - 06:55:57 534
Reno 06:40:55 -66.0 Dark Down 38.0 119.5 Up 06:25:55 - 06:55:55 500
Carson City 06:40:57 -66.3 Dark Down 38.1 119.3 Up 06:25:57 - 06:55:57 473
Gardnerville 06:40:57 -66.5 Dark Down 38.3 119.1 Up 06:25:57 - 06:55:57 454
Yerington 06:40:56 -66.8 Dark Down 38.7 119.7 Up 06:25:56 - 06:55:56 444
Hawthorne 06:40:56 -67.4 Dark Down 39.3 119.9 Up 06:25:56 - 06:55:56 398
Lee Vining 06:40:59 -67.6 Dark Down 39.2 119.1 Up 06:25:59 - 06:55:59 367
Tonopah 06:40:53 -68.4 Dark Down 40.5 120.9 Up 06:25:53 - 06:55:53 330
Bishop 06:40:59 -68.4 Dark Down 40.0 119.3 Up 06:25:59 - 06:55:59 304
Beatty 06:40:56 -69.6 Dark Down 41.4 120.5 Up 06:25:56 - 06:55:56 230
SwRI 06:40:08 -69.9 Dark Down 46.5 135.1 Up 06:25:08 - 06:55:08 227
Niwot 06:40:08 -69.8 Dark Down 46.4 135.3 Up 06:25:08 - 06:55:08 226
CPSLO 06:41:11 -68.6 Dark Down 39.4 115.8 Up 06:26:11 - 06:56:11 198
Indian Springs 06:40:53 -70.4 Dark Down 42.3 121.3 Up 06:25:53 - 06:55:53 179
Henderson 06:40:53 -71.1 Dark Down 43.0 121.5 Up 06:25:53 - 06:55:53 120
Searchlight/Boulder City 06:40:54 -71.6 Dark Down 43.4 121.1 Up 06:25:54 - 06:55:54 73
Wildwood 06:41:09 -70.7 Dark Down 41.4 116.7 Up 06:26:09 - 06:56:09 53
Patrick 06:40:51 -72.1 Dark Down 44.1 122.1 Up 06:25:51 - 06:55:51 42
Laughlin/Bullhead City 06:40:54 -72.0 Dark Down 43.8 121.2 Up 06:25:54 - 06:55:54 40
Kingman/Dolan Springs 06:40:53 -72.2 Dark Down 44.1 121.8 Up 06:25:53 - 06:55:53 29
Mohave Valley 06:40:55 -72.3 Dark Down 43.9 121.0 Up 06:25:55 - 06:55:55 18
DCO 06:40:50 -72.7 Dark Down 44.8 122.6 Up 06:25:50 - 06:55:50 0
Lake Havasu City 06:40:55 -72.7 Dark Down 44.3 120.9 Up 06:25:55 - 06:55:55 -21
Idyllwild 06:41:05 -72.1 Dark Down 43.0 118.1 Up 06:26:05 - 06:56:05 -22
Parker 06:40:56 -73.0 Dark Down 44.5 120.7 Up 06:25:56 - 06:55:56 -50
Blythe 06:40:59 -73.3 Dark Down 44.6 119.9 Up 06:25:59 - 06:55:59 -86
Calipatria 06:41:03 -73.2 Dark Down 44.1 118.6 Up 06:26:03 - 06:56:03 -103
George/Scottsdale 06:40:50 -74.4 Dark Down 46.4 122.7 Up 06:25:50 - 06:55:50 -147
Yuma 06:41:01 -74.0 Dark Down 45.0 119.1 Up 06:26:01 - 06:56:01 -161

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 2020/03/14 22:40:05 UT

Marc W. Buie, Southwest Research Institute

RECON