RECON: TNO occultation with 04TE282

Event between 04TE282 and star GA1240:01623096 with event index number of 169126

Geocentric closest approach at 2018/12/13 04:33:26 UTC

J2000 position of star is 05:09:49.6 +35:14:15
Equinox of date position of star is 05:11:04.7 +35:15:36
Stellar brightness G=14.7, use SENSEUP=128
Star is 114 degrees from the moon. Moon is 29% illuminated.
TNO apparent brightness V=23.1

[RECON map]
TNO is 30.2 AU from the Sun and 29.2 AU from the Earth.
The TNO is moving 24.8 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 261 seconds.
The 1-sigma cross-track error in the shadow position is 2920 km.
The sky-plane scale is 21190.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.3
Diameter=130.0 km assuming a 5% albedo -- 5.2 sec chord
Diameter=53.1 km assuming a 30% albedo -- 2.1 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 04TE282, (2018/12/13 04:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.6 +16:32:45  0.8 20.20 103
3Iot Aur       04:58:13.8 +33:11:40  2.7  3.37 111
PPM 070048     05:14:34.4 +37:21:28  6.5  2.21 114
PPM 070014     05:12:26.8 +35:22:46  8.1  0.30 114
PPM 069981     05:11:00.9 +35:15:30 10.0  0.02 114
04TE282        05:11:05.4 +35:15:36 14.7       114
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 3.5 sigma about the mid-time.
The median site spacing is 21.6 km RECON observability=1.0 and success probability=11.4%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 04:35:25 -43.5 Dark Up 53.7 95.9 Up 04:20:25 - 04:50:25 4780
Penticton 04:35:26 -43.5 Dark Up 53.6 95.3 Up 04:20:26 - 04:50:26 4753
Okanagan Falls 04:35:26 -43.6 Dark Up 53.6 95.0 Up 04:20:26 - 04:50:26 4736
Southern Okanagan 04:35:27 -43.6 Dark Up 53.6 94.8 Up 04:20:27 - 04:50:27 4720
Oroville 04:35:27 -43.8 Dark Up 53.7 94.6 Up 04:20:27 - 04:50:27 4694
Tonasket 04:35:28 -43.9 Dark Up 53.8 94.3 Up 04:20:28 - 04:50:28 4673
Okanogan 04:35:29 -43.9 Dark Up 53.7 93.7 Up 04:20:29 - 04:50:29 4646
Brewster 04:35:30 -43.8 Dark Up 53.6 93.2 Up 04:20:30 - 04:50:30 4628
Manson/Chelan 04:35:31 -43.6 Dark Up 53.3 92.6 Up 04:20:31 - 04:50:31 4621
Entiat 04:35:32 -43.6 Dark Up 53.3 92.2 Up 04:20:32 - 04:50:32 4603
Wenatchee 04:35:33 -43.6 Dark Up 53.2 91.8 Up 04:20:33 - 04:50:33 4583
Ellensburg 04:35:35 -43.6 Dark Up 53.1 91.1 Up 04:20:35 - 04:50:35 4552
Yakima 04:35:36 -43.7 Dark Up 53.1 90.6 Up 04:20:36 - 04:50:36 4515
Toppenish/White Swan 04:35:36 -43.8 Dark Up 53.2 90.4 Up 04:20:36 - 04:50:36 4489
Goldendale 04:35:38 -43.6 Dark Up 52.9 89.4 Up 04:20:38 - 04:50:38 4452
The Dalles 04:35:39 -43.4 Dark Up 52.7 88.8 Up 04:20:39 - 04:50:39 4444
Pasco 04:35:33 -44.7 Dark Up 54.1 91.2 Up 04:20:33 - 04:50:33 4435
George/Umatilla 04:35:34 -44.6 Dark Up 54.0 90.5 Up 04:20:34 - 04:50:34 4411
PNWRO 04:35:33 -44.9 Dark Up 54.3 91.0 Up 04:20:33 - 04:50:33 4404
Maupin 04:35:40 -43.6 Dark Up 52.7 88.3 Up 04:20:40 - 04:50:40 4401
Madras/Culver 04:35:41 -43.7 Dark Up 52.7 87.6 Up 04:20:41 - 04:50:41 4352
Sisters 04:35:43 -43.4 Dark Up 52.4 86.9 Up 04:20:43 - 04:50:43 4337
Redmond 04:35:43 -43.7 Dark Up 52.7 87.1 Up 04:20:43 - 04:50:43 4320
Bend 04:35:44 -43.6 Dark Up 52.5 86.7 Up 04:20:44 - 04:50:44 4305
Oregon Observatory 04:35:44 -43.6 Dark Up 52.4 86.4 Up 04:20:44 - 04:50:44 4294
La Pine/Gilchrist 04:35:44 -43.6 Dark Up 52.4 86.1 Up 04:20:44 - 04:50:44 4277
North Lake 04:35:44 -44.1 Dark Up 52.8 85.9 Up 04:20:44 - 04:50:44 4214
Chiloquin 04:35:48 -43.5 Dark Up 52.0 84.5 Up 04:20:48 - 04:50:48 4185
Klamath Falls 04:35:49 -43.6 Dark Up 52.1 84.1 Up 04:20:49 - 04:50:49 4150
Paisley 04:35:45 -44.4 Dark Up 53.0 85.4 Up 04:20:45 - 04:50:45 4149
Tulelake 04:35:48 -43.9 Dark Up 52.3 83.9 Up 04:20:48 - 04:50:48 4113
Lakeview 04:35:46 -44.6 Dark Up 53.1 84.9 Up 04:20:46 - 04:50:46 4094
Cedarville 04:35:47 -44.9 Dark Up 53.2 84.1 Up 04:20:47 - 04:50:47 4024
Fall River/Burney 04:35:50 -44.0 Dark Up 52.2 82.8 Up 04:20:50 - 04:50:50 4024
Susanville 04:35:50 -44.7 Dark Up 52.7 82.4 Up 04:20:50 - 04:50:50 3935
Greenville 04:35:51 -44.5 Dark Up 52.4 81.9 Up 04:20:51 - 04:50:51 3920
Gimple 04:35:51 -44.5 Dark Up 52.5 81.9 Up 04:20:51 - 04:50:51 3917
Quincy 04:35:52 -44.5 Dark Up 52.4 81.6 Up 04:20:52 - 04:50:52 3901
Portola 04:35:51 -44.9 Dark Up 52.8 81.7 Up 04:20:51 - 04:50:51 3870
Reno 04:35:50 -45.4 Dark Up 53.2 81.7 Up 04:20:50 - 04:50:50 3820
Carson City 04:35:51 -45.5 Dark Up 53.2 81.2 Up 04:20:51 - 04:50:51 3785
Gardnerville 04:35:51 -45.5 Dark Up 53.2 80.9 Up 04:20:51 - 04:50:51 3759
Yerington 04:35:50 -46.0 Dark Up 53.6 81.2 Up 04:20:50 - 04:50:50 3742
Hawthorne 04:35:49 -46.4 Dark Up 54.0 80.8 Up 04:20:49 - 04:50:49 3677
Lee Vining 04:35:52 -46.1 Dark Up 53.5 79.9 Up 04:20:52 - 04:50:52 3640
Tonopah 04:35:47 -47.6 Dark Up 55.0 80.8 Up 04:20:47 - 04:50:47 3579
Bishop 04:35:51 -46.7 Dark Up 54.0 79.4 Up 04:20:51 - 04:50:51 3554
Lone Pine 04:35:52 -47.1 Dark Up 54.1 78.5 Up 04:20:52 - 04:50:52 3466
Beatty 04:35:48 -48.1 Dark Up 55.2 79.4 Up 04:20:48 - 04:50:48 3447
CPSLO 04:36:01 -45.1 Dark Up 51.8 75.9 Up 04:21:01 - 04:51:01 3440
Niwot 04:35:11 -56.1 Dark Up 64.3 90.7 Up 04:20:11 - 04:50:11 3397
Indian Springs 04:35:46 -49.0 Dark Up 55.9 79.3 Up 04:20:46 - 04:50:46 3375
Henderson 04:35:45 -49.6 Dark Up 56.4 78.8 Up 04:20:45 - 04:50:45 3297
Wildwood 04:35:58 -46.8 Dark Up 53.1 75.0 Up 04:20:58 - 04:50:58 3239
Searchlight/Boulder City 04:35:46 -49.7 Dark Up 56.3 78.0 Up 04:20:46 - 04:50:46 3237
Laughlin/Bullhead City 04:35:46 -50.0 Dark Up 56.5 77.6 Up 04:20:46 - 04:50:46 3194
Patrick 04:35:43 -50.5 Dark Up 57.1 78.2 Up 04:20:43 - 04:50:43 3193
Kingman/Dolan Springs 04:35:44 -50.4 Dark Up 56.9 77.8 Up 04:20:44 - 04:50:44 3177
Mohave Valley 04:35:46 -50.0 Dark Up 56.5 77.2 Up 04:20:46 - 04:50:46 3166
DCO 04:35:42 -51.1 Dark Up 57.6 78.0 Up 04:20:42 - 04:50:42 3137
Idyllwild 04:35:54 -48.3 Dark Up 54.5 75.0 Up 04:20:54 - 04:50:54 3130
Lake Havasu City 04:35:46 -50.3 Dark Up 56.6 76.7 Up 04:20:46 - 04:50:46 3117
Parker 04:35:47 -50.3 Dark Up 56.5 76.2 Up 04:20:47 - 04:50:47 3080
Blythe 04:35:48 -50.1 Dark Up 56.2 75.4 Up 04:20:48 - 04:50:48 3038
Calipatria 04:35:51 -49.4 Dark Up 55.3 74.5 Up 04:20:51 - 04:50:51 3023
Yuma 04:35:50 -50.1 Dark Up 55.9 74.0 Up 04:20:50 - 04:50:50 2946

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, (2018/12/13 04:33UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 20.20 103
3Iot Aur       04:56:59.6 +33:09:58  2.7  3.37 111
PPM 070048     05:13:17.2 +37:20:12  6.5  2.21 114
PPM 070014     05:11:10.9 +35:21:27  8.1  0.30 114
PPM 069981     05:09:45.1 +35:14:09 10.0  0.02 114
04TE282        05:09:49.6 +35:14:15 14.7       114
Positions are for J2000

Event circumstances last updated at 2018/10/08 19:34:09 UT

Marc W. Buie, Southwest Research Institute

RECON