RECON: TNO occultation with 02CX224

Event between 02CX224 and star GA1200:01052298 with event index number of 237636

Geocentric closest approach at 2019/12/16 13:22:20 UTC

J2000 position of star is 04:44:17.5 +31:37:12
Equinox of date position of star is 04:45:32.4 +31:39:17
Stellar brightness G=14.5, use SENSEUP=128
Star is 66 degrees from the moon. Moon is 79% illuminated.
TNO apparent brightness V=22.7

[RECON map]
TNO is 46.6 AU from the Sun and 45.7 AU from the Earth.
The TNO is moving 25.6 km/sec on the sky relative to the star, or, 2.8 arcsec/hr.
The 1-sigma error in the time of the event is 436 seconds.
The 1-sigma cross-track error in the shadow position is 5998 km.
The sky-plane scale is 33129.9 km/arcsec.

The TNO has an absolute magnitude Hv=6.0
Diameter=378.5 km assuming a 5% albedo -- 14.8 sec chord
Diameter=154.5 km assuming a 30% albedo -- 6.0 sec chord
Dynamical classification is SCATEXTD
 
 
 
 
 
 

Star training set for 02CX224, (2019/12/16 13:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.1 +16:32:52  0.8 15.23  70
3Iot Aur       04:58:17.8 +33:11:45  2.7  3.09  63
PPM 069664     04:50:29.8 +31:28:13  6.4  1.06  64
PPM 069607     04:45:16.5 +31:15:16 11.7  0.41  66
02CX224        04:45:34.4 +31:39:20 14.5        65
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 2.1 sigma about the mid-time.
The median site spacing is 26.2 km RECON observability=0.3 and success probability=0.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 13:19:16 -22.9 Dark Up 21.1 294.4 Low 13:04:16 - 13:34:16 12947
Summerland 13:19:16 -23.1 Dark Up 21.2 294.4 Low 13:04:16 - 13:34:16 12916
Penticton 13:19:16 -23.0 Dark Up 21.1 294.5 Low 13:04:16 - 13:34:16 12916
Okanagan Falls 13:19:15 -23.0 Dark Up 21.0 294.5 Low 13:04:15 - 13:34:15 12902
Oliver 13:19:15 -22.9 Dark Up 20.9 294.6 Low 13:04:15 - 13:34:15 12891
Anarchist Mountain Observatory 13:19:15 -22.8 Dark Up 20.7 294.8 Low 13:04:15 - 13:34:15 12887
Niwot 13:19:14 -10.6 NT Up 7.6 305.4 Really Low 13:04:14 - 13:34:14 12883
Oroville 13:19:15 -22.8 Dark Up 20.8 294.7 Low 13:04:15 - 13:34:15 12879
SwRI 13:19:14 -10.6 NT Up 7.6 305.4 Really Low 13:04:14 - 13:34:14 12872
Tonasket 13:19:14 -22.8 Dark Up 20.7 294.8 Low 13:04:14 - 13:34:14 12863
Okanogan 13:19:14 -22.8 Dark Up 20.6 294.8 Low 13:04:14 - 13:34:14 12833
Brewster 13:19:14 -22.9 Dark Up 20.6 294.8 Low 13:04:14 - 13:34:14 12806
Manson/Chelan 13:19:14 -23.1 Dark Up 20.7 294.6 Low 13:04:14 - 13:34:14 12777
Entiat 13:19:14 -23.1 Dark Up 20.7 294.7 Low 13:04:14 - 13:34:14 12759
Wenatchee 13:19:14 -23.1 Dark Up 20.7 294.7 Low 13:04:14 - 13:34:14 12737
Pasco 13:19:14 -22.1 Dark Up 19.4 295.8 Really Low 13:04:14 - 13:34:14 12703
Ellensburg 13:19:14 -23.2 Dark Up 20.6 294.7 Low 13:04:14 - 13:34:14 12698
PNWRO 13:19:14 -21.9 Dark Up 19.2 296.0 Really Low 13:04:14 - 13:34:14 12695
George/Umatilla 13:19:14 -22.2 Dark Up 19.4 295.8 Really Low 13:04:14 - 13:34:14 12670
Yakima 13:19:14 -23.1 Dark Up 20.5 294.8 Low 13:04:14 - 13:34:14 12669
Toppenish/White Swan 13:19:14 -23.0 Dark Up 20.3 295.0 Low 13:04:14 - 13:34:14 12660
Goldendale 13:19:14 -23.2 Dark Up 20.3 294.9 Low 13:04:14 - 13:34:14 12603
The Dalles 13:19:14 -23.4 Dark Up 20.4 294.8 Low 13:04:14 - 13:34:14 12571
Maupin 13:19:14 -23.2 Dark Up 20.2 295.0 Low 13:04:14 - 13:34:14 12545
Madras/Culver 13:19:14 -23.2 Dark Up 20.0 295.1 Really Low 13:04:14 - 13:34:14 12503
Redmond 13:19:14 -23.1 Dark Up 19.9 295.2 Really Low 13:04:14 - 13:34:14 12475
Sisters 13:19:14 -23.4 Dark Up 20.1 295.0 Low 13:04:14 - 13:34:14 12460
Bend 13:19:14 -23.2 Dark Up 19.9 295.2 Really Low 13:04:14 - 13:34:14 12453
Oregon Observatory 13:19:14 -23.3 Dark Up 19.9 295.2 Really Low 13:04:14 - 13:34:14 12435
La Pine/Gilchrist 13:19:14 -23.3 Dark Up 19.8 295.2 Really Low 13:04:14 - 13:34:14 12417
North Lake 13:19:14 -22.8 Dark Up 19.2 295.7 Really Low 13:04:14 - 13:34:14 12410
Paisley 13:19:14 -22.4 Dark Up 18.8 296.1 Really Low 13:04:14 - 13:34:14 12385
Lakeview 13:19:14 -22.1 Dark Up 18.4 296.4 Really Low 13:04:14 - 13:34:14 12355
Chiloquin 13:19:14 -23.3 Dark Up 19.6 295.4 Really Low 13:04:14 - 13:34:14 12318
Cedarville 13:19:14 -21.9 Dark Up 18.0 296.6 Really Low 13:04:14 - 13:34:14 12314
Klamath Falls 13:19:14 -23.2 Dark Up 19.4 295.5 Really Low 13:04:14 - 13:34:14 12296
Tulelake 13:19:14 -22.9 Dark Up 19.1 295.8 Really Low 13:04:14 - 13:34:14 12289
Fall River/Burney 13:19:14 -22.7 Dark Up 18.6 296.1 Really Low 13:04:14 - 13:34:14 12224
Susanville 13:19:14 -22.0 Dark Up 17.8 296.7 Really Low 13:04:14 - 13:34:14 12209
Reno 13:19:14 -21.2 Dark Up 16.9 297.4 Really Low 13:04:14 - 13:34:14 12181
Gimple 13:19:14 -22.1 Dark Up 17.9 296.7 Really Low 13:04:14 - 13:34:14 12178
Greenville 13:19:14 -22.2 Dark Up 17.9 296.6 Really Low 13:04:14 - 13:34:14 12175
Portola 13:19:14 -21.7 Dark Up 17.4 297.0 Really Low 13:04:14 - 13:34:14 12171
Yerington 13:19:14 -20.5 Dark Up 16.2 297.9 Really Low 13:04:14 - 13:34:14 12169
Tonopah 13:18:46 -18.9 Dark Up 14.5 299.1 Really Low 13:03:46 - 13:33:46 12165
Quincy 13:19:14 -22.1 Dark Up 17.8 296.7 Really Low 13:04:14 - 13:34:14 12160
Carson City 13:19:14 -21.1 Dark Up 16.7 297.5 Really Low 13:04:14 - 13:34:14 12154
Gardnerville 13:19:14 -21.0 Dark Up 16.5 297.6 Really Low 13:04:14 - 13:34:14 12138
Hawthorne 13:18:46 -20.1 Dark Up 15.7 298.2 Really Low 13:03:46 - 13:33:46 12137
DCO 13:18:39 -15.0 AT Up 10.2 301.7 Really Low 13:03:39 - 13:33:39 12126
Indian Springs 13:18:42 -17.4 AT Up 12.7 300.2 Really Low 13:03:42 - 13:33:42 12121
Patrick 13:18:39 -15.6 AT Up 10.8 301.3 Really Low 13:03:39 - 13:33:39 12116
Henderson 13:18:41 -16.7 AT Up 11.9 300.6 Really Low 13:03:41 - 13:33:41 12112
Beatty 13:18:42 -18.3 Dark Up 13.6 299.5 Really Low 13:03:42 - 13:33:42 12095
Kingman/Dolan Springs 13:18:39 -15.7 AT Up 10.8 301.2 Really Low 13:03:39 - 13:33:39 12089
Lee Vining 13:18:46 -20.4 Dark Up 15.7 298.1 Really Low 13:03:46 - 13:33:46 12069
Searchlight/Boulder City 13:18:39 -16.5 AT Up 11.6 300.7 Really Low 13:03:39 - 13:33:39 12069
Laughlin/Bullhead City 13:18:39 -16.1 AT Up 11.2 301.0 Really Low 13:03:39 - 13:33:39 12062
Bishop 13:18:43 -19.7 Dark Up 14.9 298.6 Really Low 13:03:43 - 13:33:43 12055
Mohave Valley 13:18:38 -16.0 AT Up 11.0 301.0 Really Low 13:03:38 - 13:33:38 12041
Lake Havasu City 13:18:38 -15.7 AT Up 10.7 301.2 Really Low 13:03:38 - 13:33:38 12021
Lone Pine 13:18:41 -19.2 Dark Up 14.3 299.0 Really Low 13:03:41 - 13:33:41 12010
Parker 13:18:37 -15.6 AT Up 10.5 301.3 Really Low 13:03:37 - 13:33:37 11994
Blythe 13:18:36 -15.7 AT Up 10.4 301.2 Really Low 13:03:36 - 13:33:36 11937
Yuma 13:18:34 -15.4 AT Up 10.0 301.3 Really Low 13:03:34 - 13:33:34 11859
Calipatria 13:18:35 -16.3 AT Up 10.8 300.8 Really Low 13:03:35 - 13:33:35 11850
Idyllwild 13:18:36 -17.4 AT Up 12.0 300.2 Really Low 13:03:36 - 13:33:36 11841
CPSLO 13:18:39 -20.9 Dark Up 15.6 298.0 Really Low 13:03:39 - 13:33:39 11779
Wildwood 13:18:36 -19.0 Dark Up 13.5 299.2 Really Low 13:03:36 - 13:33:36 11778

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 02CX224, (2019/12/16 13:22UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 15.23  70
3Iot Aur       04:56:59.6 +33:09:58  2.7  3.09  63
PPM 069664     04:49:12.9 +31:26:12  6.4  1.06  64
PPM 069607     04:43:59.8 +31:13:07 11.7  0.41  66
02CX224        04:44:17.5 +31:37:12 14.5        65
Positions are for J2000

Event circumstances last updated at 2019/06/07 23:01:34 UT

Marc W. Buie, Southwest Research Institute

RECON