RECON: TNO occultation with 03UT292

Event between 03UT292 and star GA0940:02156016 with event index number of 1357887

Geocentric closest approach at 2024/12/16 07:28:28 UTC

J2000 position of star is 06:55:31.0 +05:22:21
Equinox of date position of star is 06:56:35.0 +05:20:44
Stellar brightness G=15.0, use SENSEUP=128
Star is 24 degrees from the moon. Moon is 99% illuminated.
TNO apparent brightness V=21.5

[RECON map]
TNO is 27.7 AU from the Sun and 26.8 AU from the Earth.
The TNO is moving 22.3 km/sec on the sky relative to the star, or, 4.1 arcsec/hr.
The 1-sigma error in the time of the event is 266 seconds.
The 1-sigma cross-track error in the shadow position is 1463 km.
The sky-plane scale is 19449.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=235.5 km assuming a 5% albedo -- 10.5 sec chord
Diameter=96.1 km assuming a 30% albedo -- 4.3 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 03UT292, (2024/12/16 07:28UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:31.4 +07:24:35  0.4 15.13  23
Alhena         06:39:09.2 +16:22:33  1.9 11.86  12
PPM 151776     07:03:15.1 +05:31:10  6.4  1.60  24
PPM 151522     06:56:33.5 +05:24:02  7.4  0.09  23
03UT292        06:56:50.8 +05:20:20 15.0        24
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 3.4 sigma about the mid-time.
The median site spacing is 19.9 km RECON observability=1.0 and success probability=23.1%
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 07:29:36 -62.7 Dark Up 40.3 146.0 Up 07:14:36 - 07:44:36 2250
Kelowna 07:29:37 -63.1 Dark Up 40.6 145.6 Up 07:14:37 - 07:44:37 2222
Summerland 07:29:38 -63.3 Dark Up 40.7 145.3 Up 07:14:38 - 07:44:38 2203
Penticton 07:29:38 -63.4 Dark Up 40.8 145.4 Up 07:14:38 - 07:44:38 2197
Oliver 07:29:39 -63.7 Dark Up 41.1 145.2 Up 07:14:39 - 07:44:39 2170
Anarchist Mountain Observatory 07:29:38 -63.9 Dark Up 41.3 145.3 Up 07:14:38 - 07:44:38 2156
Victoria 07:29:51 -63.6 Dark Up 40.1 140.3 Up 07:14:51 - 07:44:51 2145
Tonasket 07:29:39 -64.2 Dark Up 41.6 145.1 Up 07:14:39 - 07:44:39 2132
Okanogan 07:29:40 -64.5 Dark Up 41.8 144.7 Up 07:14:40 - 07:44:40 2106
Brewster 07:29:41 -64.7 Dark Up 41.9 144.4 Up 07:14:41 - 07:44:41 2086
Manson/Chelan 07:29:43 -64.9 Dark Up 42.0 143.8 Up 07:14:43 - 07:44:43 2073
Entiat 07:29:43 -65.1 Dark Up 42.1 143.6 Up 07:14:43 - 07:44:43 2056
Wenatchee 07:29:44 -65.3 Dark Up 42.3 143.3 Up 07:14:44 - 07:44:44 2036
Ellensburg 07:29:45 -65.7 Dark Up 42.5 142.9 Up 07:14:45 - 07:44:45 2005
Yakima 07:29:46 -66.1 Dark Up 42.8 142.6 Up 07:14:46 - 07:44:46 1972
Toppenish/White Swan 07:29:46 -66.3 Dark Up 43.1 142.7 Up 07:14:46 - 07:44:46 1954
Pasco 07:29:42 -66.6 Dark Up 43.7 144.2 Up 07:14:42 - 07:44:42 1935
PNWRO 07:29:42 -66.9 Dark Up 44.0 144.3 Up 07:14:42 - 07:44:42 1913
Goldendale 07:29:48 -66.8 Dark Up 43.3 141.9 Up 07:14:48 - 07:44:48 1912
The Dalles 07:29:50 -66.9 Dark Up 43.4 141.3 Up 07:14:50 - 07:44:50 1896
Maupin 07:29:51 -67.3 Dark Up 43.7 141.2 Up 07:14:51 - 07:44:51 1861
Sisters 07:29:53 -68.0 Dark Up 44.2 140.0 Up 07:14:53 - 07:44:53 1792
Redmond 07:29:52 -68.1 Dark Up 44.4 140.5 Up 07:14:52 - 07:44:52 1787
Bend 07:29:53 -68.3 Dark Up 44.5 140.2 Up 07:14:53 - 07:44:53 1770
Oregon Observatory 07:29:54 -68.4 Dark Up 44.6 139.9 Up 07:14:54 - 07:44:54 1757
La Pine/Gilchrist 07:29:54 -68.6 Dark Up 44.7 139.7 Up 07:14:54 - 07:44:54 1740
North Lake 07:29:53 -69.2 Dark Up 45.3 140.2 Up 07:14:53 - 07:44:53 1699
Paisley 07:29:53 -69.8 Dark Up 45.9 140.3 Up 07:14:53 - 07:44:53 1649
Klamath Falls 07:29:58 -69.9 Dark Up 45.7 138.5 Up 07:14:58 - 07:44:58 1619
Lakeview 07:29:53 -70.3 Dark Up 46.4 140.2 Up 07:14:53 - 07:44:53 1604
Cedarville 07:29:54 -71.0 Dark Up 47.0 140.0 Up 07:14:54 - 07:44:54 1546
Fall River/Burney 07:29:59 -71.1 Dark Up 46.8 138.1 Up 07:14:59 - 07:44:59 1513
Susanville 07:29:57 -71.9 Dark Up 47.6 138.6 Up 07:14:57 - 07:44:57 1452
Greenville 07:29:59 -72.1 Dark Up 47.7 138.0 Up 07:14:59 - 07:44:59 1430
Gimple 07:29:59 -72.1 Dark Up 47.7 138.1 Up 07:14:59 - 07:44:59 1429
Quincy 07:29:59 -72.3 Dark Up 47.8 137.9 Up 07:14:59 - 07:44:59 1412
Portola 07:29:58 -72.5 Dark Up 48.1 138.4 Up 07:14:58 - 07:44:58 1398
Reno 07:29:56 -72.9 Dark Up 48.7 139.0 Up 07:14:56 - 07:44:56 1369
Carson City 07:29:56 -73.3 Dark Up 49.0 138.8 Up 07:14:56 - 07:44:56 1336
Gardnerville 07:29:57 -73.5 Dark Up 49.2 138.7 Up 07:14:57 - 07:44:57 1314
Niwot 07:29:03 -71.9 Dark Up 53.8 160.6 Up 07:14:03 - 07:44:03 1314
Yerington 07:29:55 -73.6 Dark Up 49.4 139.5 Up 07:14:55 - 07:44:55 1314
SwRI 07:29:04 -72.0 Dark Up 53.9 160.4 Up 07:14:04 - 07:44:04 1305
Hawthorne 07:29:53 -74.2 Dark Up 50.0 139.8 Up 07:14:53 - 07:44:53 1268
Lee Vining 07:29:56 -74.6 Dark Up 50.2 138.7 Up 07:14:56 - 07:44:56 1221
Tonopah 07:29:49 -74.9 Dark Up 51.1 141.3 Up 07:14:49 - 07:44:49 1214
Bishop 07:29:54 -75.4 Dark Up 51.0 139.2 Up 07:14:54 - 07:44:54 1160
Beatty 07:29:49 -76.2 Dark Up 52.2 141.1 Up 07:14:49 - 07:44:49 1104
Indian Springs 07:29:46 -76.6 Dark Up 53.0 142.3 Up 07:14:46 - 07:44:46 1065
Henderson 07:29:44 -77.2 Dark Up 53.8 142.9 Up 07:14:44 - 07:44:44 1009
CPSLO 07:30:05 -76.5 Dark Up 51.3 134.5 Up 07:15:05 - 07:45:05 987
Searchlight/Boulder City 07:29:44 -77.8 Dark Up 54.3 142.5 Up 07:14:44 - 07:44:44 955
Patrick 07:29:41 -77.9 Dark Up 54.8 144.0 Up 07:14:41 - 07:44:41 942
Laughlin/Bullhead City 07:29:43 -78.1 Dark Up 54.7 142.7 Up 07:14:43 - 07:44:43 924
Kingman/Dolan Springs 07:29:42 -78.1 Dark Up 54.9 143.5 Up 07:14:42 - 07:44:42 923
DCO 07:29:38 -78.2 Dark Up 55.4 144.8 Up 07:14:38 - 07:44:38 908
Mohave Valley 07:29:44 -78.4 Dark Up 54.9 142.5 Up 07:14:44 - 07:44:44 898
Lake Havasu City 07:29:43 -78.8 Dark Up 55.3 142.5 Up 07:14:43 - 07:44:43 858
Wildwood 07:30:00 -78.4 Dark Up 53.4 136.1 Up 07:15:00 - 07:45:00 856
Parker 07:29:44 -79.2 Dark Up 55.6 142.3 Up 07:14:44 - 07:44:44 825
Idyllwild 07:29:53 -79.2 Dark Up 54.7 138.4 Up 07:14:53 - 07:44:53 806
Blythe 07:29:45 -79.7 Dark Up 55.9 141.4 Up 07:14:45 - 07:44:45 777
George/Scottsdale 07:29:35 -79.5 Dark Up 57.1 145.7 Up 07:14:35 - 07:44:35 765
Calipatria 07:29:50 -80.1 Dark Up 55.8 139.5 Up 07:14:50 - 07:44:50 737
Yuma 07:29:47 -80.6 Dark Up 56.6 140.4 Up 07:14:47 - 07:44:47 688

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 03UT292, (2024/12/16 07:28UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4 15.13  23
Alhena         06:37:42.8 +16:23:57  1.9 11.86  12
PPM 151776     07:01:55.2 +05:33:25  6.4  1.60  24
PPM 151522     06:55:13.7 +05:26:02  7.4  0.09  23
03UT292        06:55:31.0 +05:22:21 15.0        24
Positions are for J2000

Event circumstances last updated at 2020/01/07 23:18:03 UT

Marc W. Buie, Southwest Research Institute

RECON