RECON: TNO occultation with 04TE282

Event between 04TE282 and star GA1260:02231941 with event index number of 1079100

Geocentric closest approach at 2022/01/01 09:34:48 UTC

J2000 position of star is 05:40:39.0 +37:39:57
Equinox of date position of star is 05:42:08.9 +37:40:33
Stellar brightness G=16.5, use SENSEUP=128 with the MallinCam and and exposure time of 2 seconds with the QHY174 camera.
Star is 167 degrees from the moon. Moon is 3% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 29.8 AU from the Sun and 28.9 AU from the Earth.
The TNO is moving 23.8 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 452 seconds.
The 1-sigma cross-track error in the shadow position is 3688 km.
The sky-plane scale is 20977.7 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=132.4 km assuming a 5% albedo -- 5.6 sec chord
Diameter=54.1 km assuming a 30% albedo -- 2.3 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04TE282, (2022/01/01 09:35UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:11.1 +16:33:06  0.8 25.51 166
34Bet Aur      06:01:08.6 +44:56:50  1.9  8.10 159
31Ups Aur      05:52:32.6 +37:18:35  6.3  2.09 166
PPM 070683     05:41:24.8 +37:58:06  7.7  0.33 166
04TE282        05:42:09.2 +37:40:33 16.5       167
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 2.0 sigma about the mid-time.
The median site spacing is 24.7 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)
Sleaford 09:32:33 -49.8 Dark Down 50.7 270.0 Up 09:17:33 - 09:47:33 -1387
Kamloops 09:33:00 -57.5 Dark Down 59.8 259.7 Up 09:18:00 - 09:48:00 -1922
Kelowna 09:32:56 -57.7 Dark Down 59.3 261.9 Up 09:17:56 - 09:47:56 -1981
Peachland 09:32:57 -57.9 Dark Down 59.5 261.8 Up 09:17:57 - 09:47:57 -1999
Summerland 09:32:56 -58.0 Dark Down 59.5 262.1 Up 09:17:56 - 09:47:56 -2012
Penticton 09:32:56 -58.0 Dark Down 59.4 262.3 Up 09:17:56 - 09:47:56 -2016
Oliver 09:32:55 -58.2 Dark Down 59.5 262.9 Up 09:17:55 - 09:47:55 -2051
Anarchist Mountain Observatory 09:32:54 -58.3 Dark Down 59.4 263.4 Up 09:17:54 - 09:47:54 -2063
Tonasket 09:32:54 -58.5 Dark Down 59.5 263.8 Up 09:17:54 - 09:47:54 -2096
Okanogan 09:32:53 -58.9 Dark Down 59.6 264.3 Up 09:17:53 - 09:47:53 -2134
Brewster 09:32:53 -59.1 Dark Down 59.8 264.6 Up 09:17:53 - 09:47:53 -2166
Manson/Chelan 09:32:54 -59.5 Dark Down 60.0 264.6 Up 09:17:54 - 09:47:54 -2197
Victoria 09:33:03 -60.4 Dark Down 62.1 260.6 Up 09:18:03 - 09:48:03 -2211
Wenatchee 09:32:53 -59.9 Dark Down 60.2 265.3 Up 09:17:53 - 09:47:53 -2249
Ellensburg 09:32:53 -60.3 Dark Down 60.4 265.8 Up 09:17:53 - 09:47:53 -2296
Pasco 09:32:48 -60.1 Dark Down 59.4 268.2 Up 09:17:48 - 09:47:48 -2334
Yakima 09:32:52 -60.6 Dark Down 60.4 266.5 Up 09:17:52 - 09:47:52 -2338
PNWRO 09:32:47 -60.2 Dark Down 59.3 268.8 Up 09:17:47 - 09:47:47 -2353
Toppenish/White Swan 09:32:52 -60.7 Dark Down 60.3 267.0 Up 09:17:52 - 09:47:52 -2356
Goldendale 09:32:52 -61.3 Dark Down 60.6 267.7 Up 09:17:52 - 09:47:52 -2423
The Dalles 09:32:52 -61.6 Dark Down 60.9 267.8 Up 09:17:52 - 09:47:52 -2456
Dunrhomin 09:32:02 -54.5 Dark Down 48.8 284.4 Up 09:17:02 - 09:47:02 -2466
Maupin 09:32:51 -61.9 Dark Down 60.8 268.6 Up 09:17:51 - 09:47:51 -2496
Redmond 09:32:50 -62.5 Dark Down 60.9 270.2 Up 09:17:50 - 09:47:50 -2591
Sisters 09:32:51 -62.7 Dark Down 61.2 269.9 Up 09:17:51 - 09:47:51 -2599
Bend 09:32:50 -62.8 Dark Down 61.0 270.5 Up 09:17:50 - 09:47:50 -2617
Oregon Observatory 09:32:50 -62.9 Dark Down 61.1 270.7 Up 09:17:50 - 09:47:50 -2638
La Pine/Gilchrist 09:32:50 -63.1 Dark Down 61.1 271.0 Up 09:17:50 - 09:47:50 -2661
North Lake 09:32:47 -63.1 Dark Down 60.7 272.2 Up 09:17:47 - 09:47:47 -2689
Paisley 09:32:45 -63.3 Dark Down 60.4 273.4 Up 09:17:45 - 09:47:45 -2736
Lakeview 09:32:44 -63.5 Dark Down 60.2 274.4 Up 09:17:44 - 09:47:44 -2783
Chiloquin 09:32:49 -64.1 Dark Down 61.4 272.8 Up 09:17:49 - 09:47:49 -2785
Klamath Falls 09:32:48 -64.3 Dark Down 61.3 273.5 Up 09:17:48 - 09:47:48 -2819
Cedarville 09:32:42 -63.8 Dark Down 60.1 275.6 Up 09:17:42 - 09:47:42 -2846
Fall River/Burney 09:32:45 -64.8 Dark Down 60.9 275.8 Up 09:17:45 - 09:47:45 -2931
Susanville 09:32:42 -64.8 Dark Down 60.3 277.3 Up 09:17:42 - 09:47:42 -2975
Gimple 09:32:42 -65.1 Dark Down 60.4 277.7 Up 09:17:42 - 09:47:42 -3010
Greenville 09:32:42 -65.1 Dark Down 60.5 277.6 Up 09:17:42 - 09:47:42 -3012
Portola 09:32:40 -65.0 Dark Down 60.1 278.4 Up 09:17:40 - 09:47:40 -3033
Quincy 09:32:42 -65.2 Dark Down 60.5 278.0 Up 09:17:42 - 09:47:42 -3033
Reno 09:32:38 -64.8 Dark Down 59.6 279.2 Up 09:17:38 - 09:47:38 -3041
Carson City 09:32:38 -65.0 Dark Down 59.5 279.8 Up 09:17:38 - 09:47:38 -3078
Yerington 09:32:35 -64.7 Dark Down 59.0 280.3 Up 09:17:35 - 09:47:35 -3079
Gardnerville 09:32:37 -65.1 Dark Down 59.4 280.2 Up 09:17:37 - 09:47:37 -3102
Hawthorne 09:32:33 -64.6 Dark Down 58.5 281.3 Up 09:17:33 - 09:47:33 -3111
Tonopah 09:32:28 -63.8 Dark Down 57.3 282.5 Up 09:17:28 - 09:47:28 -3114
Lee Vining 09:32:33 -65.2 Dark Down 58.7 282.0 Up 09:17:33 - 09:47:33 -3184
Indian Springs 09:32:21 -63.4 Dark Down 55.8 285.2 Up 09:17:21 - 09:47:21 -3216
Beatty 09:32:25 -64.0 Dark Down 56.7 284.4 Up 09:17:25 - 09:47:25 -3219
Bishop 09:32:30 -65.0 Dark Down 58.1 283.2 Up 09:17:30 - 09:47:30 -3224
Henderson 09:32:19 -63.1 Dark Down 55.1 286.1 Up 09:17:19 - 09:47:19 -3247
Patrick 09:32:15 -62.5 Dark Down 54.1 287.3 Up 09:17:15 - 09:47:15 -3272
Kingman/Dolan Springs 09:32:15 -62.7 Dark Down 54.2 287.5 Up 09:17:15 - 09:47:15 -3301
Laughlin/Bullhead City 09:32:16 -63.1 Dark Down 54.6 287.4 Up 09:17:16 - 09:47:16 -3322
Mohave Valley 09:32:16 -63.2 Dark Down 54.5 287.8 Up 09:17:16 - 09:47:16 -3349
George/Scottsdale 09:32:06 -61.4 Dark Down 52.0 289.8 Up 09:17:06 - 09:47:06 -3370
Lake Havasu City 09:32:14 -63.1 Dark Down 54.2 288.4 Up 09:17:14 - 09:47:14 -3381
Parker 09:32:14 -63.2 Dark Down 54.0 288.8 Up 09:17:14 - 09:47:14 -3416
Blythe 09:32:14 -63.6 Dark Down 54.1 289.5 Up 09:17:14 - 09:47:14 -3481
CPSLO 09:32:34 -67.5 Dark Down 59.3 285.9 Up 09:17:34 - 09:47:34 -3508
Idyllwild 09:32:20 -65.2 Dark Down 55.8 288.9 Up 09:17:20 - 09:47:20 -3543
Calipatria 09:32:16 -64.5 Dark Down 54.6 290.0 Up 09:17:16 - 09:47:16 -3564
Wildwood 09:32:26 -66.5 Dark Down 57.4 288.1 Up 09:17:26 - 09:47:26 -3569
Yuma 09:32:13 -63.9 Dark Down 53.8 290.6 Up 09:17:13 - 09:47:13 -3577

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 04TE282, (2022/01/01 09:35UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:29  0.8 25.51 166
34Bet Aur      05:59:31.6 +44:56:51  1.9  8.10 159
31Ups Aur      05:51:02.5 +37:18:19  6.3  2.09 166
PPM 070683     05:39:54.3 +37:57:29  7.7  0.33 166
04TE282        05:40:39.0 +37:39:57 16.5       167
Positions are for J2000

Event circumstances last updated at 2021/12/03 01:43:33 UT

Marc W. Buie, Southwest Research Institute

RECON