RECON: TNO occultation with 05VZ122

Event between 05VZ122 and star GA1040:01201893 with event index number of 238251

Geocentric closest approach at 2020/01/20 02:37:26 UTC

J2000 position of star is 05:50:40.6 +14:20:50
Equinox of date position of star is 05:51:44.9 +14:21:05
Stellar brightness G=14.6, use SENSEUP=128
Star is 154 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=22.9

[RECON map]
TNO is 35.6 AU from the Sun and 34.8 AU from the Earth.
The TNO is moving 20.7 km/sec on the sky relative to the star, or, 3.0 arcsec/hr.
The 1-sigma error in the time of the event is 1494 seconds.
The 1-sigma cross-track error in the shadow position is 5674 km.
The sky-plane scale is 25216.2 km/arcsec.

The TNO has an absolute magnitude Hv=7.3
Diameter=205.1 km assuming a 5% albedo -- 9.9 sec chord
Diameter=83.7 km assuming a 30% albedo -- 4.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 05VZ122, (2020/01/20 02:37UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:56:15.5 +07:24:33  0.4  7.03 151
Bellatrix      05:26:12.5 +06:21:58  1.6 10.17 157
137 Tau        05:53:30.7 +14:10:31  5.5  0.45 154
PPM 121456     05:51:34.2 +14:22:31  8.5  0.06 154
05VZ122        05:51:49.1 +14:21:06 14.6       154
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 0.6 sigma about the mid-time.
The median site spacing is 21.6 km RECON observability=1.0 and success probability=3.8%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 02:40:08 -20.4 Dark Down 37.3 115.0 Up 02:25:08 - 02:55:08 10981
Summerland 02:40:09 -20.2 Dark Down 37.2 114.6 Up 02:25:09 - 02:55:09 10981
Penticton 02:40:09 -20.2 Dark Down 37.4 114.6 Up 02:25:09 - 02:55:09 10951
Okanagan Falls 02:40:10 -20.2 Dark Down 37.5 114.4 Up 02:25:10 - 02:55:10 10935
Oliver 02:40:10 -20.2 Dark Down 37.5 114.3 Up 02:25:10 - 02:55:10 10920
Anarchist Mountain Observatory 02:40:10 -20.3 Dark Down 37.7 114.4 Up 02:25:10 - 02:55:10 10903
Oroville 02:40:11 -20.2 Dark Down 37.7 114.3 Up 02:25:11 - 02:55:11 10897
Tonasket 02:40:12 -20.2 Dark Down 37.8 114.1 Up 02:25:12 - 02:55:12 10876
Okanogan 02:40:13 -20.1 Dark Down 37.9 113.7 Up 02:25:13 - 02:55:13 10848
Brewster 02:40:14 -19.9 Dark Down 37.9 113.3 Up 02:25:14 - 02:55:14 10826
Manson/Chelan 02:40:16 -19.6 Dark Down 37.7 112.8 Up 02:25:16 - 02:55:16 10811
Entiat 02:40:16 -19.6 Dark Down 37.8 112.6 Up 02:25:16 - 02:55:16 10792
Wenatchee 02:40:17 -19.5 Dark Down 37.8 112.4 Up 02:25:17 - 02:55:17 10770
Ellensburg 02:40:19 -19.2 Dark Down 37.8 111.9 Up 02:25:19 - 02:55:19 10735
Yakima 02:40:20 -19.2 Dark Down 38.0 111.6 Up 02:25:20 - 02:55:20 10698
Toppenish/White Swan 02:40:20 -19.2 Dark Down 38.1 111.6 Up 02:25:20 - 02:55:20 10676
Pasco 02:40:17 -20.1 Dark Down 39.0 112.6 Up 02:25:17 - 02:55:17 10652
Goldendale 02:40:22 -18.9 Dark Down 38.1 110.8 Up 02:25:22 - 02:55:22 10630
PNWRO 02:40:17 -20.2 Dark Down 39.2 112.7 Up 02:25:17 - 02:55:17 10626
George/Umatilla 02:40:19 -19.9 Dark Down 39.0 112.2 Up 02:25:19 - 02:55:19 10623
The Dalles 02:40:24 -18.6 Dark Down 37.9 110.3 Up 02:25:24 - 02:55:24 10614
Maupin 02:40:25 -18.6 Dark Down 38.1 110.1 Up 02:25:25 - 02:55:25 10574
Madras/Culver 02:40:26 -18.5 Dark Down 38.3 109.6 Up 02:25:26 - 02:55:26 10524
Sisters 02:40:29 -18.1 Dark Down 38.1 109.0 Up 02:25:29 - 02:55:29 10498
Redmond 02:40:27 -18.4 Dark Down 38.4 109.3 Up 02:25:27 - 02:55:27 10491
Bend 02:40:28 -18.2 Dark Down 38.4 109.0 Up 02:25:28 - 02:55:28 10473
Oregon Observatory 02:40:28 -18.1 Dark Down 38.3 108.8 Up 02:25:28 - 02:55:28 10458
La Pine/Gilchrist 02:40:30 -18.0 Dark Down 38.4 108.6 Up 02:25:30 - 02:55:30 10439
North Lake 02:40:30 -18.4 Dark Down 38.9 108.8 Up 02:25:30 - 02:55:30 10391
Chiloquin 02:40:33 -17.6 AT Down 38.5 107.5 Up 02:25:33 - 02:55:33 10339
Paisley 02:40:31 -18.5 Dark Down 39.3 108.7 Up 02:25:31 - 02:55:31 10335
Klamath Falls 02:40:34 -17.5 AT Down 38.6 107.3 Up 02:25:34 - 02:55:34 10305
Lakeview 02:40:30 -18.6 Dark Down 39.6 108.5 Up 02:25:30 - 02:55:30 10284
Tulelake 02:40:34 -17.7 AT Down 38.9 107.3 Up 02:25:34 - 02:55:34 10276
Cedarville 02:40:32 -18.6 Dark Down 40.0 108.1 Up 02:25:32 - 02:55:32 10219
Fall River/Burney 02:40:36 -17.6 AT Down 39.3 106.7 Up 02:25:36 - 02:55:36 10188
Susanville 02:40:36 -18.0 Dark Down 40.0 106.8 Up 02:25:36 - 02:55:36 10117
Greenville 02:40:37 -17.7 AT Down 39.8 106.3 Up 02:25:37 - 02:55:37 10094
Gimple 02:40:37 -17.8 AT Down 39.9 106.4 Up 02:25:37 - 02:55:37 10093
Quincy 02:40:38 -17.7 AT Down 39.9 106.2 Up 02:25:38 - 02:55:38 10074
Portola 02:40:37 -18.0 Dark Down 40.3 106.5 Up 02:25:37 - 02:55:37 10056
Reno 02:40:35 -18.5 Dark Down 40.8 106.8 Up 02:25:35 - 02:55:35 10022
Carson City 02:40:36 -18.4 Dark Down 41.0 106.5 Up 02:25:36 - 02:55:36 9987
Gardnerville 02:40:36 -18.4 Dark Down 41.1 106.4 Up 02:25:36 - 02:55:36 9962
Yerington 02:40:35 -18.9 Dark Down 41.5 106.9 Up 02:25:35 - 02:55:35 9960
Niwot 02:39:48 -29.5 Dark Down 50.8 121.3 Up 02:24:48 - 02:54:48 9939
Hawthorne 02:40:34 -19.2 Dark Down 42.0 106.9 Up 02:25:34 - 02:55:34 9908
Lee Vining 02:40:37 -18.7 Dark Down 41.8 106.0 Up 02:25:37 - 02:55:37 9858
Tonopah 02:40:31 -20.2 Dark Down 43.2 107.7 Up 02:25:31 - 02:55:31 9845
Bishop 02:40:36 -19.1 Dark Down 42.5 106.1 Up 02:25:36 - 02:55:36 9790
Beatty 02:40:31 -20.3 Dark Down 43.9 107.0 Up 02:25:31 - 02:55:31 9724
Lone Pine 02:40:36 -19.2 Dark Down 43.0 105.7 Up 02:25:36 - 02:55:36 9709
Indian Springs 02:40:28 -21.1 Dark Down 44.8 107.6 Up 02:25:28 - 02:55:28 9679
Henderson 02:40:27 -21.5 Dark Down 45.5 107.7 Up 02:25:27 - 02:55:27 9617
CPSLO 02:40:46 -16.9 AT Down 41.3 102.6 Up 02:25:46 - 02:55:46 9610
Searchlight/Boulder City 02:40:29 -21.5 Dark Down 45.7 107.2 Up 02:25:29 - 02:55:29 9558
Patrick 02:40:26 -22.3 Dark Down 46.6 108.0 Up 02:25:26 - 02:55:26 9541
Laughlin/Bullhead City 02:40:27 -21.7 Dark Down 46.1 107.1 Up 02:25:27 - 02:55:27 9524
Kingman/Dolan Springs 02:40:27 -22.1 Dark Down 46.5 107.6 Up 02:25:27 - 02:55:27 9521
DCO 02:40:23 -22.8 Dark Down 47.2 108.3 Up 02:25:23 - 02:55:23 9502
Mohave Valley 02:40:28 -21.7 Dark Down 46.2 106.9 Up 02:25:28 - 02:55:28 9496
Wildwood 02:40:42 -18.3 Dark Down 43.2 103.0 Up 02:25:42 - 02:55:42 9461
Lake Havasu City 02:40:29 -21.8 Dark Down 46.5 106.7 Up 02:25:29 - 02:55:29 9452
Parker 02:40:28 -21.8 Dark Down 46.6 106.3 Up 02:25:28 - 02:55:28 9416
Idyllwild 02:40:38 -19.8 Dark Down 44.8 104.1 Up 02:25:38 - 02:55:38 9401
Blythe 02:40:31 -21.4 Dark Down 46.5 105.6 Up 02:25:31 - 02:55:31 9365
Calipatria 02:40:35 -20.6 Dark Down 45.9 104.4 Up 02:25:35 - 02:55:35 9325
Yuma 02:40:32 -21.2 Dark Down 46.7 104.6 Up 02:25:32 - 02:55:32 9270

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 05VZ122, (2020/01/20 02:37UT)
Object            RA         Dec     mag  sep  mel
Betelgeuse     05:55:10.3 +07:24:26  0.4  7.03 151
Bellatrix      05:25:07.8 +06:20:58  1.6 10.17 157
137 Tau        05:52:22.2 +14:10:18  5.5  0.45 154
PPM 121456     05:50:25.7 +14:22:15  8.5  0.06 154
05VZ122        05:50:40.6 +14:20:50 14.6       154
Positions are for J2000

Event circumstances last updated at 2018/10/25 20:49:17 UT

Marc W. Buie, Southwest Research Institute

RECON