RECON: TNO occultation with 03UP292

Event between 03UP292 and star UC4-618-021057 with event index number of 219640

Geocentric closest approach at 2019/10/16 12:10:28 UTC

J2000 position of star is 05:14:58.8 +33:30:41
Equinox of date position of star is 05:16:13.0 +33:31:54
Stellar brightness R=15.7, use SENSEUP=128
Star is 31 degrees from the moon. Moon is 93% illuminated.
TNO apparent brightness V=22.1

[RECON map]
TNO is 28.9 AU from the Sun and 28.3 AU from the Earth.
The TNO is moving 11.3 km/sec on the sky relative to the star, or, 2.0 arcsec/hr.
The 1-sigma error in the time of the event is 155 seconds.
The 1-sigma cross-track error in the shadow position is 1322 km.
The sky-plane scale is 20553.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=211.8 km assuming a 5% albedo -- 18.8 sec chord
Diameter=86.5 km assuming a 30% albedo -- 7.7 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 03UP292, (2019/10/16 12:10UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.5 +16:32:51  0.8 19.14  17
3Iot Aur       04:58:17.1 +33:11:44  2.7  3.77  28
17 Aur         05:19:37.2 +33:47:13  6.1  0.74  32
PPM 070144     05:18:53.9 +33:36:48  8.1  0.55  32
PPM 070078     05:15:50.1 +33:22:22  9.5  0.18  31
03UP292        05:16:16.9 +33:31:57 15.7        32
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 16.9 km RECON observability=1.0 and success probability=29.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 12:10:42 -21.6 Dark Up 72.2 206.1 Up 11:57:19 - 12:24:04 257
Summerland 12:10:44 -21.8 Dark Up 72.4 205.3 Up 11:57:21 - 12:24:06 241
Penticton 12:10:41 -21.8 Dark Up 72.6 206.2 Up 11:57:18 - 12:24:03 218
Okanagan Falls 12:10:41 -21.8 Dark Up 72.8 206.4 Up 11:57:18 - 12:24:03 200
Oliver 12:10:39 -21.8 Dark Up 72.9 206.7 Up 11:57:17 - 12:24:02 185
Anarchist Mountain Observatory 12:10:37 -21.8 Dark Up 73.0 207.4 Up 11:57:15 - 12:24:00 176
Oroville 12:10:37 -21.8 Dark Up 73.1 207.3 Up 11:57:15 - 12:24:00 166
Tonasket 12:10:37 -21.9 Dark Up 73.3 207.7 Up 11:57:14 - 12:23:59 145
Okanogan 12:10:36 -22.0 Dark Up 73.7 207.8 Up 11:57:13 - 12:23:58 108
Brewster 12:10:36 -22.2 Dark Up 74.0 207.7 Up 11:57:13 - 12:23:58 76
Manson/Chelan 12:10:37 -22.5 Dark Up 74.3 207.0 Up 11:57:14 - 12:23:59 44
Entiat 12:10:36 -22.6 Dark Up 74.5 207.1 Up 11:57:14 - 12:23:59 20
Wenatchee 12:10:36 -22.7 Dark Up 74.8 207.3 Up 11:57:13 - 12:23:58 -7
Niwot 12:08:30 -12.9 AT Up 70.6 257.4 Up 11:55:07 - 12:21:52 -41
Ellensburg 12:10:35 -23.0 Dark Up 75.2 207.3 Up 11:57:12 - 12:23:57 -54
Pasco 12:10:23 -22.2 Dark Up 75.4 212.8 Up 11:57:00 - 12:23:45 -72
PNWRO 12:10:21 -22.1 Dark Up 75.5 214.0 Up 11:56:58 - 12:23:43 -87
Yakima 12:10:33 -23.1 Dark Up 75.6 207.9 Up 11:57:11 - 12:23:56 -93
Toppenish/White Swan 12:10:31 -23.0 Dark Up 75.7 208.8 Up 11:57:08 - 12:23:53 -107
George/Umatilla 12:10:23 -22.4 Dark Up 75.7 212.9 Up 11:57:00 - 12:23:45 -112
Goldendale 12:10:31 -23.4 Dark Up 76.3 208.6 Up 11:57:08 - 12:23:53 -175
The Dalles 12:10:32 -23.7 Dark Up 76.6 207.8 Up 11:57:10 - 12:23:55 -209
Maupin 12:10:30 -23.7 Dark Up 77.0 209.0 Up 11:57:07 - 12:23:52 -246
Madras/Culver 12:10:27 -23.9 Dark Up 77.5 210.0 Up 11:57:05 - 12:23:50 -299
Redmond 12:10:26 -24.0 Dark Up 77.8 210.6 Up 11:57:04 - 12:23:49 -336
Sisters 12:10:29 -24.2 Dark Up 77.9 209.2 Up 11:57:06 - 12:23:51 -348
Bend 12:10:26 -24.1 Dark Up 78.0 210.6 Up 11:57:04 - 12:23:49 -361
Oregon Observatory 12:10:26 -24.2 Dark Up 78.2 210.6 Up 11:57:04 - 12:23:49 -383
La Pine/Gilchrist 12:10:26 -24.3 Dark Up 78.4 210.8 Up 11:57:03 - 12:23:48 -405
North Lake 12:10:20 -24.0 Dark Up 78.6 214.1 Up 11:56:57 - 12:23:42 -424
Paisley 12:10:15 -23.8 Dark Up 78.9 217.0 Up 11:56:53 - 12:23:38 -464
Lakeview 12:10:12 -23.8 Dark Up 79.2 219.3 Up 11:56:49 - 12:23:34 -505
Chiloquin 12:10:23 -24.8 Dark Up 79.5 212.4 Up 11:57:01 - 12:23:46 -526
Klamath Falls 12:10:21 -24.8 Dark Up 79.8 213.7 Up 11:56:58 - 12:23:43 -556
Cedarville 12:10:08 -23.8 Dark Up 79.6 222.1 Up 11:56:45 - 12:23:30 -562
Tulelake 12:10:18 -24.7 Dark Up 79.9 215.8 Up 11:56:56 - 12:23:41 -571
Fall River/Burney 12:10:13 -24.8 Dark Up 80.6 219.2 Up 11:56:51 - 12:23:36 -656
Susanville 12:10:06 -24.3 Dark Up 80.7 224.7 Up 11:56:43 - 12:23:28 -689
Gimple 12:10:06 -24.6 Dark Up 81.0 225.1 Up 11:56:43 - 12:23:28 -724
Greenville 12:10:06 -24.6 Dark Up 81.0 224.7 Up 11:56:44 - 12:23:29 -727
Reno 12:09:56 -23.9 Dark Up 80.8 231.7 Up 11:56:34 - 12:23:19 -740
Portola 12:10:02 -24.3 Dark Up 81.0 228.1 Up 11:56:39 - 12:23:24 -740
Quincy 12:10:06 -24.6 Dark Up 81.2 225.6 Up 11:56:43 - 12:23:28 -747
Yerington 12:09:50 -23.5 Dark Up 80.7 236.6 Up 11:56:27 - 12:23:12 -767
Carson City 12:09:54 -23.9 Dark Up 81.0 233.5 Up 11:56:32 - 12:23:17 -774
Tonopah 12:09:32 -22.1 Dark Up 79.9 246.7 Up 11:56:10 - 12:22:55 -776
Hawthorne 12:09:44 -23.1 Dark Up 80.6 240.6 Up 11:56:21 - 12:23:06 -790
Gardnerville 12:09:54 -23.9 Dark Up 81.1 234.9 Up 11:56:31 - 12:23:16 -796
Indian Springs 12:09:16 -21.1 Dark Up 79.2 257.2 Up 11:55:53 - 12:22:38 -851
Lee Vining 12:09:44 -23.6 Dark Up 81.2 242.2 Up 11:56:22 - 12:23:07 -865
Beatty 12:09:24 -21.9 Dark Up 80.0 253.7 Up 11:56:02 - 12:22:47 -867
Henderson 12:09:08 -20.6 Dark Up 78.8 260.8 Up 11:55:45 - 12:22:30 -871
DCO 12:08:52 -19.2 Dark Up 77.5 267.0 Up 11:55:29 - 12:22:14 -875
Patrick 12:08:58 -19.8 Dark Up 78.0 265.0 Up 11:55:36 - 12:22:21 -879
Bishop 12:09:37 -23.1 Dark Up 81.0 247.6 Up 11:56:14 - 12:22:59 -892
Kingman/Dolan Springs 12:08:58 -20.0 Dark Up 78.2 265.9 Up 11:55:35 - 12:22:20 -909
Searchlight/Boulder City 12:09:05 -20.6 Dark Up 78.8 263.8 Up 11:55:43 - 12:22:28 -923
Laughlin/Bullhead City 12:09:01 -20.4 Dark Up 78.6 265.6 Up 11:55:39 - 12:22:24 -935
Lone Pine 12:09:32 -23.0 Dark Up 81.0 252.9 Up 11:56:09 - 12:22:54 -952
Mohave Valley 12:08:59 -20.4 Dark Up 78.6 266.9 Up 11:55:37 - 12:22:22 -961
Lake Havasu City 12:08:56 -20.2 Dark Up 78.4 269.0 Up 11:55:34 - 12:22:19 -988
Parker 12:08:55 -20.2 Dark Up 78.4 270.8 Up 11:55:32 - 12:22:17 -1020
Blythe 12:08:54 -20.5 Dark Up 78.7 273.2 Up 11:55:31 - 12:22:16 -1084
Idyllwild 12:09:08 -22.2 Dark Up 80.4 271.9 Up 11:55:46 - 12:22:31 -1170
Yuma 12:08:49 -20.6 Dark Up 78.6 277.8 Up 11:55:26 - 12:22:11 -1174
Calipatria 12:08:58 -21.3 Dark Up 79.4 275.6 Up 11:55:36 - 12:22:21 -1174
CPSLO 12:09:43 -25.2 Dark Up 83.4 256.5 Up 11:56:20 - 12:23:05 -1188
Wildwood 12:09:23 -23.7 Dark Up 81.9 268.6 Up 11:56:01 - 12:22:46 -1219

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 03UP292, (2019/10/16 12:10UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 19.14  17
3Iot Aur       04:56:59.6 +33:09:58  2.7  3.77  28
17 Aur         05:18:19.0 +33:46:02  6.1  0.74  32
PPM 070144     05:17:35.7 +33:35:37  8.1  0.55  32
PPM 070078     05:14:32.2 +33:21:05  9.5  0.18  31
03UP292        05:14:58.8 +33:30:41 15.7        31
Positions are for J2000

Event circumstances last updated at 2018/10/24 22:00:26 UT

Marc W. Buie, Southwest Research Institute

RECON