RECON: TNO occultation with 471210

Event between (471210) 10VW11 and star GA0840:00530100 with event index number of 1385379

Geocentric closest approach at 2024/12/12 09:26:49 UTC

J2000 position of star is 05:09:35.2 -05:29:00
Equinox of date position of star is 05:10:36.6 -05:27:30
Stellar brightness G=13.7, use SENSEUP=64
Star is 46 degrees from the moon. Moon is 88% illuminated.
TNO apparent brightness V=25.7

[RECON map]
TNO is 36.9 AU from the Sun and 36.1 AU from the Earth.
The TNO is moving 24.7 km/sec on the sky relative to the star, or, 3.4 arcsec/hr.
The 1-sigma error in the time of the event is 115 seconds.
The 1-sigma cross-track error in the shadow position is 1410 km.
The sky-plane scale is 26161.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=524.8 km assuming a 5% albedo -- 2.4 sec chord
Diameter=214.3 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 471210, (2024/12/12 09:27UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:15:44.3 -08:10:29  0.1  2.98  49
67Bet Eri      05:09:04.7 -05:03:21  2.8  0.59  45
PPM 187804     05:14:01.4 -06:01:46  6.1  0.98  47
PPM 187776     05:11:50.4 -04:54:34  8.5  0.60  46
PPM 187762     05:10:55.8 -05:14:27  9.5  0.21  46
471210         05:10:48.8 -05:27:13 13.7        46
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 17.4 km RECON observability=1.0 and success probability=10.5%
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 09:25:30 -57.2 Dark Up 29.8 210.5 Low 09:15:25 - 09:35:35 -2109
Kelowna 09:25:29 -57.6 Dark Up 30.2 210.4 Up 09:15:24 - 09:35:34 -2133
Peachland 09:25:30 -57.8 Dark Up 30.4 210.1 Up 09:15:25 - 09:35:35 -2139
Summerland 09:25:30 -57.9 Dark Up 30.5 210.3 Up 09:15:25 - 09:35:35 -2149
Penticton 09:25:29 -57.9 Dark Up 30.5 210.4 Up 09:15:24 - 09:35:34 -2154
Oliver 09:25:29 -58.1 Dark Up 30.8 210.5 Up 09:15:24 - 09:35:34 -2178
Anarchist Mountain Observatory 09:25:28 -58.2 Dark Up 30.9 210.8 Up 09:15:23 - 09:35:33 -2189
Victoria 09:25:38 -60.3 Dark Up 32.6 206.5 Up 09:15:33 - 09:35:43 -2203
Tonasket 09:25:28 -58.4 Dark Up 31.2 210.8 Up 09:15:23 - 09:35:33 -2210
Okanogan 09:25:27 -58.7 Dark Up 31.5 210.7 Up 09:15:22 - 09:35:32 -2232
Brewster 09:25:28 -59.0 Dark Up 31.8 210.6 Up 09:15:23 - 09:35:33 -2249
Manson/Chelan 09:25:29 -59.3 Dark Up 32.2 210.3 Up 09:15:24 - 09:35:34 -2262
Entiat 09:25:29 -59.5 Dark Up 32.4 210.3 Up 09:15:24 - 09:35:34 -2276
Wenatchee 09:25:28 -59.7 Dark Up 32.6 210.2 Up 09:15:23 - 09:35:33 -2293
Ellensburg 09:25:29 -60.1 Dark Up 33.1 210.1 Up 09:15:24 - 09:35:34 -2321
Yakima 09:25:28 -60.4 Dark Up 33.4 210.2 Up 09:15:23 - 09:35:33 -2349
Toppenish/White Swan 09:25:27 -60.5 Dark Up 33.5 210.5 Up 09:15:22 - 09:35:32 -2365
Pasco 09:25:23 -60.0 Dark Up 33.2 211.9 Up 09:15:18 - 09:35:28 -2380
PNWRO 09:25:23 -60.0 Dark Up 33.3 212.3 Up 09:15:18 - 09:35:28 -2399
Goldendale 09:25:28 -61.1 Dark Up 34.2 210.2 Up 09:15:23 - 09:35:33 -2402
The Dalles 09:25:29 -61.4 Dark Up 34.5 209.9 Up 09:15:24 - 09:35:34 -2416
Maupin 09:25:28 -61.7 Dark Up 34.8 210.1 Up 09:15:23 - 09:35:33 -2447
Sisters 09:25:28 -62.6 Dark Up 35.8 209.9 Up 09:15:23 - 09:35:33 -2508
Redmond 09:25:27 -62.4 Dark Up 35.6 210.3 Up 09:15:22 - 09:35:32 -2512
Bend 09:25:27 -62.6 Dark Up 35.9 210.3 Up 09:15:22 - 09:35:32 -2526
Oregon Observatory 09:25:27 -62.8 Dark Up 36.1 210.2 Up 09:15:22 - 09:35:32 -2538
La Pine/Gilchrist 09:25:27 -62.9 Dark Up 36.3 210.2 Up 09:15:22 - 09:35:32 -2553
North Lake 09:25:25 -62.9 Dark Up 36.4 211.0 Up 09:15:20 - 09:35:30 -2589
Paisley 09:25:23 -63.1 Dark Up 36.8 211.6 Up 09:15:18 - 09:35:28 -2632
Klamath Falls 09:25:26 -64.1 Dark Up 37.6 210.4 Up 09:15:21 - 09:35:31 -2661
Lakeview 09:25:22 -63.3 Dark Up 37.1 212.1 Up 09:15:17 - 09:35:27 -2672
Cedarville 09:25:21 -63.6 Dark Up 37.6 212.5 Up 09:15:16 - 09:35:26 -2723
Fall River/Burney 09:25:24 -64.6 Dark Up 38.5 211.3 Up 09:15:19 - 09:35:29 -2754
Susanville 09:25:21 -64.5 Dark Up 38.7 212.4 Up 09:15:16 - 09:35:26 -2808
Greenville 09:25:21 -64.9 Dark Up 39.1 212.2 Up 09:15:16 - 09:35:26 -2828
Gimple 09:25:21 -64.8 Dark Up 39.1 212.3 Up 09:15:16 - 09:35:26 -2829
Quincy 09:25:21 -65.0 Dark Up 39.3 212.3 Up 09:15:16 - 09:35:26 -2844
Portola 09:25:20 -64.8 Dark Up 39.2 212.9 Up 09:15:15 - 09:35:25 -2856
Reno 09:25:17 -64.5 Dark Up 39.1 213.8 Up 09:15:12 - 09:35:22 -2881
Carson City 09:25:17 -64.7 Dark Up 39.4 214.0 Up 09:15:12 - 09:35:22 -2910
Niwot 09:24:36 -54.2 Dark Up 31.4 228.7 Up 09:14:31 - 09:34:41 -2930
Yerington 09:25:15 -64.4 Dark Up 39.3 214.8 Up 09:15:10 - 09:35:20 -2930
Gardnerville 09:25:16 -64.8 Dark Up 39.6 214.1 Up 09:15:11 - 09:35:21 -2930
SwRI 09:24:36 -54.3 Dark Up 31.5 228.7 Up 09:14:31 - 09:34:41 -2938
Hawthorne 09:25:13 -64.3 Dark Up 39.4 215.6 Up 09:15:08 - 09:35:18 -2971
Lee Vining 09:25:13 -64.9 Dark Up 40.1 215.3 Up 09:15:08 - 09:35:18 -3013
Tonopah 09:25:08 -63.5 Dark Up 39.2 217.4 Up 09:15:03 - 09:35:13 -3017
Bishop 09:25:11 -64.7 Dark Up 40.3 216.4 Up 09:15:06 - 09:35:16 -3068
Beatty 09:25:05 -63.7 Dark Up 39.9 218.5 Up 09:15:00 - 09:35:10 -3117
Indian Springs 09:25:01 -63.1 Dark Up 39.6 219.9 Up 09:14:56 - 09:35:06 -3151
Henderson 09:24:58 -62.7 Dark Up 39.6 220.9 Up 09:14:53 - 09:35:03 -3201
CPSLO 09:25:15 -67.2 Dark Up 43.0 214.9 Up 09:15:10 - 09:35:20 -3228
Searchlight/Boulder City 09:24:57 -62.9 Dark Up 40.0 221.3 Up 09:14:52 - 09:35:02 -3250
Patrick 09:24:54 -62.1 Dark Up 39.5 222.4 Up 09:14:49 - 09:34:59 -3261
Laughlin/Bullhead City 09:24:56 -62.7 Dark Up 40.1 221.8 Up 09:14:51 - 09:35:01 -3278
Kingman/Dolan Springs 09:24:54 -62.3 Dark Up 39.8 222.4 Up 09:14:49 - 09:34:59 -3279
DCO 09:24:51 -61.6 Dark Up 39.3 223.4 Up 09:14:46 - 09:34:56 -3292
Mohave Valley 09:24:55 -62.8 Dark Up 40.3 222.0 Up 09:14:50 - 09:35:00 -3302
Lake Havasu City 09:24:54 -62.7 Dark Up 40.4 222.5 Up 09:14:49 - 09:34:59 -3338
Wildwood 09:25:08 -66.2 Dark Up 43.0 217.9 Up 09:15:03 - 09:35:13 -3345
Parker 09:24:54 -62.8 Dark Up 40.7 222.7 Up 09:14:49 - 09:34:59 -3369
Idyllwild 09:25:01 -64.8 Dark Up 42.3 220.3 Up 09:14:56 - 09:35:06 -3387
Blythe 09:24:54 -63.2 Dark Up 41.2 222.7 Up 09:14:49 - 09:34:59 -3413
George/Scottsdale 09:24:46 -61.0 Dark Up 39.6 225.5 Up 09:14:41 - 09:34:51 -3423
Calipatria 09:24:57 -64.1 Dark Up 42.1 222.0 Up 09:14:52 - 09:35:02 -3450
Yuma 09:24:53 -63.5 Dark Up 41.9 223.2 Up 09:14:48 - 09:34:58 -3494

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 471210, (2024/12/12 09:27UT)
Object            RA         Dec     mag  sep  mel
Rigel          05:14:32.3 -08:12:06  0.1  2.98  49
67Bet Eri      05:07:50.8 -05:05:13  2.8  0.59  45
PPM 187804     05:12:48.2 -06:03:27  6.1  0.98  47
PPM 187776     05:10:36.4 -04:56:20  8.5  0.60  46
PPM 187762     05:09:42.1 -05:16:15  9.5  0.21  46
471210         05:09:35.2 -05:29:00 13.7        46
Positions are for J2000

Event circumstances last updated at 2020/10/28 23:07:38 UT

Marc W. Buie, Southwest Research Institute

RECON