RECON: TNO occultation with 03UY291

Event between 03UY291 and star GA1160:01400049 with event index number of 1358114

Geocentric closest approach at 2024/11/30 05:39:08 UTC

J2000 position of star is 05:34:30.3 +26:55:10
Equinox of date position of star is 05:35:43.2 +26:55:52
Stellar brightness G=15.5, use SENSEUP=128
Star is 153 degrees from the moon. Moon is 1% illuminated.
TNO apparent brightness V=23.9

[RECON map]
TNO is 45.3 AU from the Sun and 44.4 AU from the Earth.
The TNO is moving 24.5 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 1519 seconds.
The 1-sigma cross-track error in the shadow position is 2708 km.
The sky-plane scale is 32171.3 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 8.6 sec chord
Diameter=86.5 km assuming a 30% albedo -- 3.5 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 03UY291, (2024/11/30 05:39UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:21.2 +16:33:27  0.8 17.11 164
Alnath         05:27:52.1 +28:37:35  1.6  2.48 154
PPM 094572     05:38:42.3 +26:56:16  5.6  0.59 152
PPM 094495     05:35:46.0 +26:53:48  8.1  0.08 153
03UY291        05:36:03.7 +26:56:03 15.5       152
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 0.6 sigma about the mid-time.
The median site spacing is 20.4 km RECON observability=1.0 and success probability=15.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:41:12 -52.6 Dark Down 46.9 103.8 Up 05:26:12 - 05:56:12 3180
Summerland 05:41:13 -52.7 Dark Down 46.8 103.3 Up 05:26:13 - 05:56:13 3161
Penticton 05:41:13 -52.8 Dark Down 46.8 103.3 Up 05:26:13 - 05:56:13 3153
Okanagan Falls 05:41:14 -52.9 Dark Down 46.9 103.1 Up 05:26:14 - 05:56:14 3136
Oliver 05:41:14 -53.0 Dark Down 46.9 103.0 Up 05:26:14 - 05:56:14 3121
Anarchist Mountain Observatory 05:41:14 -53.2 Dark Down 47.1 103.0 Up 05:26:14 - 05:56:14 3101
Oroville 05:41:14 -53.2 Dark Down 47.1 102.8 Up 05:26:14 - 05:56:14 3096
Tonasket 05:41:15 -53.3 Dark Down 47.1 102.6 Up 05:26:15 - 05:56:15 3075
Okanogan 05:41:16 -53.4 Dark Down 47.1 102.1 Up 05:26:16 - 05:56:16 3049
Brewster 05:41:17 -53.5 Dark Down 47.0 101.6 Up 05:26:17 - 05:56:17 3030
Manson/Chelan 05:41:19 -53.4 Dark Down 46.8 101.1 Up 05:26:19 - 05:56:19 3021
Entiat 05:41:19 -53.5 Dark Down 46.8 100.8 Up 05:26:19 - 05:56:19 3003
Wenatchee 05:41:20 -53.6 Dark Down 46.8 100.4 Up 05:26:20 - 05:56:20 2983
Ellensburg 05:41:22 -53.7 Dark Down 46.7 99.8 Up 05:26:22 - 05:56:22 2951
Yakima 05:41:23 -53.9 Dark Down 46.8 99.4 Up 05:26:23 - 05:56:23 2915
Toppenish/White Swan 05:41:23 -54.1 Dark Down 46.9 99.3 Up 05:26:23 - 05:56:23 2891
Goldendale 05:41:25 -54.2 Dark Down 46.7 98.4 Up 05:26:25 - 05:56:25 2852
Pasco 05:41:21 -54.9 Dark Down 47.8 100.2 Up 05:26:21 - 05:56:21 2845
The Dalles 05:41:26 -54.0 Dark Down 46.5 97.8 Up 05:26:26 - 05:56:26 2841
George/Umatilla 05:41:22 -55.0 Dark Down 47.7 99.7 Up 05:26:22 - 05:56:22 2820
PNWRO 05:41:21 -55.2 Dark Down 48.0 100.2 Up 05:26:21 - 05:56:21 2816
Maupin 05:41:27 -54.3 Dark Down 46.7 97.5 Up 05:26:27 - 05:56:27 2800
Madras/Culver 05:41:29 -54.6 Dark Down 46.7 96.9 Up 05:26:29 - 05:56:29 2751
Sisters 05:41:30 -54.5 Dark Down 46.4 96.2 Up 05:26:30 - 05:56:30 2733
Redmond 05:41:30 -54.7 Dark Down 46.7 96.5 Up 05:26:30 - 05:56:30 2719
Bend 05:41:31 -54.7 Dark Down 46.6 96.1 Up 05:26:31 - 05:56:31 2703
Oregon Observatory 05:41:31 -54.7 Dark Down 46.6 95.9 Up 05:26:31 - 05:56:31 2691
La Pine/Gilchrist 05:41:32 -54.8 Dark Down 46.5 95.6 Up 05:26:32 - 05:56:32 2674
North Lake 05:41:32 -55.4 Dark Down 47.0 95.6 Up 05:26:32 - 05:56:32 2616
Chiloquin 05:41:36 -55.1 Dark Down 46.4 94.2 Up 05:26:36 - 05:56:36 2581
Paisley 05:41:32 -55.9 Dark Down 47.3 95.3 Up 05:26:32 - 05:56:32 2554
Klamath Falls 05:41:36 -55.3 Dark Down 46.5 93.9 Up 05:26:36 - 05:56:36 2546
Tulelake 05:41:36 -55.6 Dark Down 46.7 93.8 Up 05:26:36 - 05:56:36 2512
Lakeview 05:41:33 -56.2 Dark Down 47.5 94.9 Up 05:26:33 - 05:56:33 2500
Cedarville 05:41:34 -56.7 Dark Down 47.7 94.3 Up 05:26:34 - 05:56:34 2433
Fall River/Burney 05:41:38 -56.0 Dark Down 46.8 92.9 Up 05:26:38 - 05:56:38 2424
Susanville 05:41:38 -56.8 Dark Down 47.4 92.7 Up 05:26:38 - 05:56:38 2341
Greenville 05:41:39 -56.7 Dark Down 47.2 92.2 Up 05:26:39 - 05:56:39 2324
Gimple 05:41:39 -56.8 Dark Down 47.3 92.3 Up 05:26:39 - 05:56:39 2321
Quincy 05:41:40 -56.8 Dark Down 47.2 92.0 Up 05:26:40 - 05:56:40 2304
Portola 05:41:39 -57.2 Dark Down 47.6 92.2 Up 05:26:39 - 05:56:39 2277
Reno 05:41:38 -57.8 Dark Down 48.1 92.4 Up 05:26:38 - 05:56:38 2232
Carson City 05:41:39 -57.9 Dark Down 48.1 92.0 Up 05:26:39 - 05:56:39 2197
Gardnerville 05:41:39 -58.1 Dark Down 48.2 91.7 Up 05:26:39 - 05:56:39 2172
Yerington 05:41:38 -58.5 Dark Down 48.6 92.2 Up 05:26:38 - 05:56:38 2159
Hawthorne 05:41:38 -59.0 Dark Down 49.1 92.0 Up 05:26:38 - 05:56:38 2097
Lee Vining 05:41:40 -58.9 Dark Down 48.7 91.0 Up 05:26:40 - 05:56:40 2057
Tonopah 05:41:35 -60.2 Dark Down 50.2 92.4 Up 05:26:35 - 05:56:35 2009
Bishop 05:41:39 -59.7 Dark Down 49.3 90.8 Up 05:26:39 - 05:56:39 1976
Niwot 05:40:59 -66.6 Dark Down 59.0 104.7 Up 05:25:59 - 05:55:59 1897
Lone Pine 05:41:40 -60.2 Dark Down 49.6 90.1 Up 05:26:40 - 05:56:40 1891
SwRI 05:41:00 -66.6 Dark Down 59.0 104.4 Up 05:26:00 - 05:56:00 1889
Beatty 05:41:36 -61.0 Dark Down 50.6 91.3 Up 05:26:36 - 05:56:36 1881
CPSLO 05:41:49 -58.7 Dark Down 47.5 87.2 Up 05:26:49 - 05:56:49 1844
Indian Springs 05:41:34 -61.9 Dark Down 51.5 91.5 Up 05:26:34 - 05:56:34 1816
Henderson 05:41:33 -62.7 Dark Down 52.0 91.3 Up 05:26:33 - 05:56:33 1742
Searchlight/Boulder City 05:41:34 -63.0 Dark Down 52.1 90.6 Up 05:26:34 - 05:56:34 1683
Wildwood 05:41:46 -60.6 Dark Down 49.1 86.9 Up 05:26:46 - 05:56:46 1658
Patrick 05:41:32 -63.8 Dark Down 52.9 91.1 Up 05:26:32 - 05:56:32 1646
Laughlin/Bullhead City 05:41:34 -63.3 Dark Down 52.4 90.4 Up 05:26:34 - 05:56:34 1642
Kingman/Dolan Springs 05:41:33 -63.7 Dark Down 52.8 90.7 Up 05:26:33 - 05:56:33 1629
Mohave Valley 05:41:34 -63.4 Dark Down 52.4 90.0 Up 05:26:34 - 05:56:34 1615
DCO 05:41:30 -64.4 Dark Down 53.5 91.1 Up 05:26:30 - 05:56:30 1595
Lake Havasu City 05:41:35 -63.8 Dark Down 52.6 89.7 Up 05:26:35 - 05:56:35 1567
Idyllwild 05:41:42 -62.2 Dark Down 50.6 87.4 Up 05:26:42 - 05:56:42 1562
Parker 05:41:35 -63.9 Dark Down 52.6 89.2 Up 05:26:35 - 05:56:35 1530
Blythe 05:41:37 -63.9 Dark Down 52.4 88.4 Up 05:26:37 - 05:56:37 1485
Calipatria 05:41:40 -63.3 Dark Down 51.6 87.3 Up 05:26:40 - 05:56:40 1464
Yuma 05:41:39 -64.2 Dark Down 52.3 87.2 Up 05:26:39 - 05:56:39 1392

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 03UY291, (2024/11/30 05:39UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 17.11 164
Alnath         05:26:17.5 +28:36:23  1.6  2.48 154
PPM 094572     05:37:08.9 +26:55:28  5.6  0.59 152
PPM 094495     05:34:12.6 +26:52:54  8.1  0.08 153
03UY291        05:34:30.3 +26:55:10 15.5       153
Positions are for J2000

Event circumstances last updated at 2019/06/08 09:33:17 UT

Marc W. Buie, Southwest Research Institute

RECON