RECON: TNO occultation with 518151

Event between (518151) 16FH13 and star GA1320:04354143 with event index number of 1315708

Geocentric closest approach at 2024/01/23 09:16:55 UTC

J2000 position of star is 13:20:16.6 +42:56:19
Equinox of date position of star is 13:21:07.5 +42:50:18
Stellar brightness G=15.8, use SENSEUP=128
Star is 80 degrees from the moon. Moon is 94% illuminated.
TNO apparent brightness V=22.6

[RECON map]
TNO is 16.8 AU from the Sun and 16.3 AU from the Earth.
The TNO is moving 30.6 km/sec on the sky relative to the star, or, 9.3 arcsec/hr.
The 1-sigma error in the time of the event is 49 seconds.
The 1-sigma cross-track error in the shadow position is 956 km.
The sky-plane scale is 11847.9 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 1.9 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 518151, (2024/01/23 09:17UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:16:46.0 +19:03:39  0.0 26.48 103
Alkaid         13:48:29.2 +49:11:38  1.9  7.93  81
PPM 053514     13:23:06.9 +43:46:40  6.5  1.02  80
PPM 053503     13:21:29.7 +42:59:06  8.8  0.17  80
518151         13:21:20.3 +42:48:47 15.8        80
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 10.9 km RECON observability=1.0 and success probability=19.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Niwot 09:17:22 -56.2 Dark Up 57.5 70.4 Up 09:12:46 - 09:21:59 -835
Kelowna 09:18:10 -56.7 Dark Up 50.6 77.3 Up 09:13:34 - 09:22:47 -844
SwRI 09:17:23 -56.4 Dark Up 57.4 70.2 Up 09:12:46 - 09:21:59 -847
Summerland 09:18:10 -57.0 Dark Up 50.4 76.8 Up 09:13:34 - 09:22:47 -877
Penticton 09:18:10 -57.0 Dark Up 50.4 76.8 Up 09:13:34 - 09:22:47 -878
Okanagan Falls 09:18:09 -57.2 Dark Up 50.4 76.5 Up 09:13:33 - 09:22:46 -894
Oliver 09:18:09 -57.3 Dark Up 50.4 76.3 Up 09:13:32 - 09:22:45 -906
Anarchist Mountain Observatory 09:18:08 -57.4 Dark Up 50.4 76.2 Up 09:13:32 - 09:22:45 -912
Oroville 09:18:08 -57.5 Dark Up 50.4 76.1 Up 09:13:32 - 09:22:45 -920
Tonasket 09:18:07 -57.7 Dark Up 50.3 75.8 Up 09:13:31 - 09:22:44 -938
Okanogan 09:18:07 -58.0 Dark Up 50.1 75.4 Up 09:13:31 - 09:22:44 -969
Brewster 09:18:07 -58.4 Dark Up 49.9 74.9 Up 09:13:30 - 09:22:43 -997
Manson/Chelan 09:18:07 -58.7 Dark Up 49.6 74.5 Up 09:13:30 - 09:22:43 -1026
Entiat 09:18:06 -58.9 Dark Up 49.5 74.2 Up 09:13:30 - 09:22:43 -1045
Wenatchee 09:18:06 -59.1 Dark Up 49.4 73.9 Up 09:13:29 - 09:22:42 -1068
Ellensburg 09:18:05 -59.6 Dark Up 49.1 73.3 Up 09:13:29 - 09:22:42 -1107
Pasco 09:18:05 -59.7 Dark Up 49.9 73.2 Up 09:13:29 - 09:22:42 -1118
PNWRO 09:18:00 -59.8 Dark Up 49.9 73.0 Up 09:13:23 - 09:22:36 -1119
Yakima 09:18:05 -59.9 Dark Up 49.0 72.9 Up 09:13:29 - 09:22:42 -1139
George/Umatilla 09:18:00 -60.0 Dark Up 49.6 72.7 Up 09:13:24 - 09:22:37 -1143
Toppenish/White Swan 09:18:05 -60.0 Dark Up 49.1 72.7 Up 09:13:29 - 09:22:42 -1150
Goldendale 09:18:05 -60.7 Dark Up 48.6 71.9 Up 09:13:29 - 09:22:42 -1208
The Dalles 09:18:05 -61.0 Dark Up 48.3 71.5 Up 09:13:29 - 09:22:42 -1238
Maupin 09:18:05 -61.3 Dark Up 48.2 71.1 Up 09:13:29 - 09:22:42 -1268
Madras/Culver 09:17:59 -61.8 Dark Up 48.0 70.5 Up 09:13:23 - 09:22:36 -1303
Redmond 09:17:59 -62.1 Dark Up 47.8 70.1 Up 09:13:22 - 09:22:35 -1331
Sisters 09:18:00 -62.2 Dark Up 47.6 69.9 Up 09:13:23 - 09:22:36 -1344
Bend 09:17:59 -62.4 Dark Up 47.7 69.8 Up 09:13:22 - 09:22:35 -1352
Oregon Observatory 09:17:58 -62.5 Dark Up 47.5 69.6 Up 09:13:22 - 09:22:35 -1369
La Pine/Gilchrist 09:17:58 -62.7 Dark Up 47.4 69.3 Up 09:13:21 - 09:22:34 -1386
North Lake 09:17:56 -62.9 Dark Up 47.7 69.1 Up 09:13:19 - 09:22:32 -1395
Paisley 09:17:54 -63.2 Dark Up 47.7 68.7 Up 09:13:17 - 09:22:30 -1420
Lakeview 09:17:52 -63.5 Dark Up 47.6 68.3 Up 09:13:15 - 09:22:28 -1448
Chiloquin 09:17:55 -63.8 Dark Up 46.8 68.1 Up 09:13:19 - 09:22:32 -1479
Cedarville 09:17:50 -64.0 Dark Up 47.5 67.6 Up 09:13:13 - 09:22:26 -1487
Klamath Falls 09:17:55 -64.1 Dark Up 46.7 67.8 Up 09:13:18 - 09:22:31 -1500
Tulelake 09:17:53 -64.2 Dark Up 46.8 67.6 Up 09:13:17 - 09:22:30 -1508
DCO 09:17:20 -64.2 Dark Up 49.7 62.7 Up 09:12:44 - 09:21:57 -1564
Fall River/Burney 09:17:50 -64.9 Dark Up 46.5 66.7 Up 09:13:14 - 09:22:27 -1568
Susanville 09:17:48 -65.1 Dark Up 46.7 66.4 Up 09:13:11 - 09:22:24 -1582
Patrick 09:17:22 -64.6 Dark Up 49.4 62.9 Up 09:12:46 - 09:21:59 -1584
Tonopah 09:17:35 -65.0 Dark Up 48.2 65.0 Up 09:12:59 - 09:22:12 -1588
Henderson 09:17:26 -64.9 Dark Up 48.9 63.4 Up 09:12:49 - 09:22:02 -1604
Reno 09:17:44 -65.4 Dark Up 47.0 65.8 Up 09:13:07 - 09:22:20 -1606
Kingman/Dolan Springs 09:17:22 -64.8 Dark Up 49.1 62.7 Up 09:12:45 - 09:21:58 -1606
Indian Springs 09:17:29 -65.1 Dark Up 48.6 63.8 Up 09:12:52 - 09:22:05 -1606
Gimple 09:17:47 -65.4 Dark Up 46.5 66.0 Up 09:13:11 - 09:22:24 -1609
Greenville 09:17:47 -65.4 Dark Up 46.4 66.0 Up 09:13:11 - 09:22:24 -1612
Yerington 09:17:41 -65.4 Dark Up 47.2 65.4 Up 09:13:05 - 09:22:18 -1614
Portola 09:17:46 -65.5 Dark Up 46.6 65.8 Up 09:13:09 - 09:22:22 -1615
Hawthorne 09:17:39 -65.5 Dark Up 47.4 65.1 Up 09:13:03 - 09:22:16 -1622
Quincy 09:17:47 -65.6 Dark Up 46.3 65.8 Up 09:13:10 - 09:22:23 -1626
Carson City 09:17:43 -65.6 Dark Up 46.8 65.4 Up 09:13:06 - 09:22:19 -1629
Laughlin/Bullhead City 09:17:23 -65.2 Dark Up 48.8 62.6 Up 09:12:46 - 09:21:59 -1634
Searchlight/Boulder City 09:17:24 -65.2 Dark Up 48.6 62.8 Up 09:12:48 - 09:22:01 -1634
Beatty 09:17:31 -65.5 Dark Up 48.0 63.9 Up 09:12:55 - 09:22:08 -1638
Gardnerville 09:17:42 -65.8 Dark Up 46.8 65.2 Up 09:13:06 - 09:22:19 -1643
Mohave Valley 09:17:22 -65.3 Dark Up 48.6 62.3 Up 09:12:45 - 09:21:58 -1649
Lake Havasu City 09:17:20 -65.4 Dark Up 48.6 61.9 Up 09:12:44 - 09:21:57 -1659
Parker 09:17:19 -65.5 Dark Up 48.5 61.6 Up 09:12:43 - 09:21:56 -1678
Lee Vining 09:17:39 -66.2 Dark Up 46.8 64.4 Up 09:13:02 - 09:22:15 -1679
Bishop 09:17:36 -66.2 Dark Up 47.0 64.0 Up 09:12:59 - 09:22:12 -1685
Lone Pine 09:17:33 -66.5 Dark Up 46.9 63.4 Up 09:12:56 - 09:22:09 -1717
Blythe 09:17:18 -66.0 Dark Up 48.0 61.0 Up 09:12:42 - 09:21:55 -1722
Yuma 09:17:16 -66.5 Dark Up 47.5 60.2 Up 09:12:39 - 09:21:52 -1775
Calipatria 09:17:19 -66.9 Dark Up 47.1 60.5 Up 09:12:42 - 09:21:55 -1798
Idyllwild 09:17:22 -67.4 Dark Up 46.5 60.9 Up 09:12:46 - 09:21:59 -1823
Wildwood 09:17:27 -68.5 Dark Up 45.3 61.0 Up 09:12:50 - 09:22:03 -1892
CPSLO 09:17:34 -68.9 Dark Up 44.5 61.7 Up 09:12:57 - 09:22:10 -1911

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 518151, (2024/01/23 09:17UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:15:38.2 +19:10:18  0.0 26.48 103
Alkaid         13:47:32.2 +49:18:48  1.9  7.93  81
PPM 053514     13:22:03.8 +43:54:11  6.5  1.02  80
PPM 053503     13:20:26.0 +43:06:39  8.8  0.17  80
518151         13:20:16.6 +42:56:19 15.8        80
Positions are for J2000

Event circumstances last updated at 2019/03/21 00:35:42 UT

Marc W. Buie, Southwest Research Institute

RECON