RECON: TNO occultation with 04TE282

Event between 04TE282 and star GA1260:02238507 with event index number of 1079098

Geocentric closest approach at 2021/12/28 09:55:07 UTC

J2000 position of star is 05:41:12.1 +37:40:12
Equinox of date position of star is 05:42:31.9 +37:40:43
Stellar brightness G=15.4, use SENSEUP=128
Star is 115 degrees from the moon. Moon is 36% 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 24.2 km/sec on the sky relative to the star, or, 4.2 arcsec/hr.
The 1-sigma error in the time of the event is 445 seconds.
The 1-sigma cross-track error in the shadow position is 3710 km.
The sky-plane scale is 20967.9 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=130.0 km assuming a 5% albedo -- 5.4 sec chord
Diameter=53.1 km assuming a 30% albedo -- 2.2 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04TE282, (2021/12/28 09:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:11.1 +16:33:07  0.8 25.58 134
34Bet Aur      06:01:08.6 +44:56:50  1.9  8.05 110
31Ups Aur      05:52:32.5 +37:18:35  6.3  1.99 114
PPM 070704     05:42:17.3 +37:20:29  8.4  0.35 116
04TE282        05:42:42.4 +37:40:47 15.4       115
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 21.4 km RECON observability=1.0 and success probability=10.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:53:15 -55.3 Dark Up 58.6 262.8 Up 09:38:15 - 10:08:15 -1517
Summerland 09:53:15 -55.6 Dark Up 58.9 263.0 Up 09:38:15 - 10:08:15 -1554
Penticton 09:53:15 -55.6 Dark Up 58.8 263.2 Up 09:38:15 - 10:08:15 -1557
Okanagan Falls 09:53:14 -55.7 Dark Up 58.8 263.5 Up 09:38:14 - 10:08:14 -1576
Oliver 09:53:14 -55.8 Dark Up 58.8 263.8 Up 09:38:14 - 10:08:14 -1592
Anarchist Mountain Observatory 09:53:13 -55.8 Dark Up 58.7 264.3 Up 09:38:13 - 10:08:13 -1604
Oroville 09:53:13 -55.9 Dark Up 58.8 264.3 Up 09:38:13 - 10:08:13 -1613
Tonasket 09:53:13 -56.1 Dark Up 58.8 264.7 Up 09:38:13 - 10:08:13 -1636
Okanogan 09:53:12 -56.3 Dark Up 58.9 265.1 Up 09:38:12 - 10:08:12 -1673
Brewster 09:53:12 -56.6 Dark Up 59.1 265.4 Up 09:38:12 - 10:08:12 -1706
Manson/Chelan 09:53:13 -56.9 Dark Up 59.4 265.5 Up 09:38:13 - 10:08:13 -1736
Entiat 09:53:12 -57.1 Dark Up 59.4 265.8 Up 09:38:12 - 10:08:12 -1760
Wenatchee 09:53:12 -57.3 Dark Up 59.5 266.1 Up 09:38:12 - 10:08:12 -1788
Ellensburg 09:53:12 -57.7 Dark Up 59.7 266.6 Up 09:38:12 - 10:08:12 -1836
Pasco 09:53:07 -57.4 Dark Up 58.7 269.0 Up 09:38:07 - 10:08:07 -1870
Yakima 09:53:11 -58.0 Dark Up 59.7 267.3 Up 09:38:11 - 10:08:11 -1877
PNWRO 09:53:06 -57.4 Dark Up 58.6 269.5 Up 09:38:06 - 10:08:06 -1887
Toppenish/White Swan 09:53:10 -58.0 Dark Up 59.6 267.8 Up 09:38:10 - 10:08:10 -1894
George/Umatilla 09:53:07 -57.7 Dark Up 58.9 269.4 Up 09:38:07 - 10:08:07 -1909
Goldendale 09:53:10 -58.6 Dark Up 59.9 268.4 Up 09:38:10 - 10:08:10 -1961
Niwot 09:52:22 -50.5 Dark Up 48.0 285.0 Up 09:37:22 - 10:07:22 -1978
SwRI 09:52:22 -50.6 Dark Up 48.1 285.0 Up 09:37:22 - 10:07:22 -1992
The Dalles 09:53:11 -58.9 Dark Up 60.2 268.6 Up 09:38:11 - 10:08:11 -1994
Maupin 09:53:10 -59.1 Dark Up 60.1 269.4 Up 09:38:10 - 10:08:10 -2033
Madras/Culver 09:53:09 -59.4 Dark Up 60.2 270.3 Up 09:38:09 - 10:08:09 -2090
Redmond 09:53:08 -59.7 Dark Up 60.2 270.9 Up 09:38:08 - 10:08:08 -2128
Sisters 09:53:09 -59.9 Dark Up 60.5 270.6 Up 09:38:09 - 10:08:09 -2137
Bend 09:53:08 -59.9 Dark Up 60.3 271.2 Up 09:38:08 - 10:08:08 -2153
Oregon Observatory 09:53:08 -60.1 Dark Up 60.4 271.4 Up 09:38:08 - 10:08:08 -2175
La Pine/Gilchrist 09:53:08 -60.2 Dark Up 60.4 271.7 Up 09:38:08 - 10:08:08 -2197
North Lake 09:53:06 -60.1 Dark Up 60.0 272.8 Up 09:38:06 - 10:08:06 -2224
Paisley 09:53:04 -60.2 Dark Up 59.7 274.0 Up 09:38:04 - 10:08:04 -2269
Lakeview 09:53:02 -60.3 Dark Up 59.5 275.0 Up 09:38:02 - 10:08:02 -2315
Chiloquin 09:53:07 -61.1 Dark Up 60.6 273.4 Up 09:38:07 - 10:08:07 -2321
Klamath Falls 09:53:06 -61.2 Dark Up 60.5 274.1 Up 09:38:06 - 10:08:06 -2354
Tulelake 09:53:05 -61.2 Dark Up 60.3 274.7 Up 09:38:05 - 10:08:05 -2372
Cedarville 09:53:01 -60.6 Dark Up 59.3 276.2 Up 09:38:01 - 10:08:01 -2377
Fall River/Burney 09:53:03 -61.6 Dark Up 60.2 276.3 Up 09:38:03 - 10:08:03 -2463
Susanville 09:53:00 -61.4 Dark Up 59.5 277.8 Up 09:38:00 - 10:08:00 -2505
Gimple 09:53:00 -61.7 Dark Up 59.7 278.2 Up 09:38:00 - 10:08:00 -2540
Greenville 09:53:00 -61.7 Dark Up 59.7 278.1 Up 09:38:00 - 10:08:00 -2543
Portola 09:52:58 -61.6 Dark Up 59.3 278.9 Up 09:37:58 - 10:07:58 -2561
Quincy 09:53:00 -61.8 Dark Up 59.7 278.5 Up 09:38:00 - 10:08:00 -2563
Reno 09:52:56 -61.3 Dark Up 58.8 279.6 Up 09:37:56 - 10:07:56 -2568
Yerington 09:52:53 -61.0 Dark Up 58.2 280.7 Up 09:37:53 - 10:07:53 -2603
Carson City 09:52:55 -61.4 Dark Up 58.7 280.2 Up 09:37:55 - 10:07:55 -2604
Gardnerville 09:52:55 -61.5 Dark Up 58.6 280.6 Up 09:37:55 - 10:07:55 -2628
Tonopah 09:52:47 -60.0 Dark Up 56.5 282.9 Up 09:37:47 - 10:07:47 -2633
Hawthorne 09:52:51 -60.9 Dark Up 57.7 281.7 Up 09:37:51 - 10:07:51 -2633
Lee Vining 09:52:52 -61.4 Dark Up 58.0 282.4 Up 09:37:52 - 10:07:52 -2707
Indian Springs 09:52:40 -59.4 Dark Up 55.0 285.5 Up 09:37:40 - 10:07:40 -2729
Beatty 09:52:43 -60.1 Dark Up 55.9 284.7 Up 09:37:43 - 10:07:43 -2735
Bishop 09:52:48 -61.1 Dark Up 57.3 283.5 Up 09:37:48 - 10:07:48 -2744
Henderson 09:52:37 -59.0 Dark Up 54.3 286.4 Up 09:37:37 - 10:07:37 -2758
Patrick 09:52:33 -58.3 Dark Up 53.3 287.5 Up 09:37:33 - 10:07:33 -2779
DCO 09:52:30 -57.8 Dark Up 52.7 288.1 Up 09:37:30 - 10:07:30 -2783
Kingman/Dolan Springs 09:52:33 -58.5 Dark Up 53.4 287.7 Up 09:37:33 - 10:07:33 -2809
Lone Pine 09:52:46 -61.1 Dark Up 56.8 284.8 Up 09:37:46 - 10:07:46 -2810
Searchlight/Boulder City 09:52:36 -59.1 Dark Up 54.1 287.2 Up 09:37:36 - 10:07:36 -2814
Laughlin/Bullhead City 09:52:34 -58.9 Dark Up 53.8 287.7 Up 09:37:34 - 10:07:34 -2831
Mohave Valley 09:52:34 -58.9 Dark Up 53.7 288.0 Up 09:37:34 - 10:07:34 -2858
Lake Havasu City 09:52:33 -58.8 Dark Up 53.4 288.6 Up 09:37:33 - 10:07:33 -2889
Parker 09:52:32 -58.9 Dark Up 53.2 289.0 Up 09:37:32 - 10:07:32 -2923
Blythe 09:52:32 -59.2 Dark Up 53.3 289.6 Up 09:37:32 - 10:07:32 -2987
CPSLO 09:52:52 -63.5 Dark Up 58.5 286.1 Up 09:37:52 - 10:07:52 -3031
Idyllwild 09:52:38 -60.9 Dark Up 55.0 289.1 Up 09:37:38 - 10:07:38 -3055
Calipatria 09:52:34 -60.1 Dark Up 53.9 290.1 Up 09:37:34 - 10:07:34 -3073
Yuma 09:52:30 -59.4 Dark Up 53.0 290.8 Up 09:37:30 - 10:07:30 -3082
Wildwood 09:52:44 -62.3 Dark Up 56.6 288.3 Up 09:37:44 - 10:07:44 -3086

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, (2021/12/28 09:55UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 25.58 134
34Bet Aur      05:59:31.6 +44:56:51  1.9  8.05 110
31Ups Aur      05:51:02.5 +37:18:19  6.3  1.99 114
PPM 070704     05:40:47.3 +37:19:54  8.4  0.35 116
04TE282        05:41:12.1 +37:40:12 15.4       115
Positions are for J2000

Event circumstances last updated at 2019/06/08 02:51:57 UT

Marc W. Buie, Southwest Research Institute

RECON