RECON: TNO occultation with 06QG181

Event between 06QG181 and star GA1160:01172587 with event index number of 223071

Geocentric closest approach at 2019/11/22 09:26:08 UTC

J2000 position of star is 05:17:02.5 +27:59:13
Equinox of date position of star is 05:18:13.5 +28:00:22
Stellar brightness G=13.1, use SENSEUP=32
Star is 102 degrees from the moon. Moon is 23% illuminated.
TNO apparent brightness V=24.2

[RECON map]
TNO is 32.7 AU from the Sun and 31.8 AU from the Earth.
The TNO is moving 23.1 km/sec on the sky relative to the star, or, 3.6 arcsec/hr.
The 1-sigma error in the time of the event is 257 seconds.
The 1-sigma cross-track error in the shadow position is 1598 km.
The sky-plane scale is 23033.8 km/arcsec.

The TNO has an absolute magnitude Hv=9.0
Diameter=94.6 km assuming a 5% albedo -- 4.1 sec chord
Diameter=38.6 km assuming a 30% albedo -- 1.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 06QG181, (2019/11/22 09:26UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:03.9 +16:32:52  0.8 14.89 114
Alnath         05:27:33.1 +28:37:21  1.6  2.13 100
PPM 094294     05:22:14.4 +27:58:32  6.3  0.87 101
PPM 094248     05:19:30.9 +28:47:58  7.4  0.84 102
PPM 094223     05:17:39.4 +27:52:23  9.7  0.19 102
06QG181        05:18:17.6 +28:00:26 13.1       102
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 25.3 km RECON observability=1.0 and success probability=12.2%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 09:25:55 -53.9 Dark Down 67.9 189.2 Up 09:10:55 - 09:40:55 4126
Summerland 09:25:56 -54.1 Dark Down 68.0 188.4 Up 09:10:56 - 09:40:56 4121
Penticton 09:25:56 -54.3 Dark Down 68.3 189.0 Up 09:10:56 - 09:40:56 4088
Okanagan Falls 09:25:56 -54.4 Dark Down 68.5 189.0 Up 09:10:56 - 09:40:56 4069
Oliver 09:25:56 -54.5 Dark Down 68.6 189.1 Up 09:10:56 - 09:40:56 4052
Anarchist Mountain Observatory 09:25:55 -54.6 Dark Down 68.8 189.6 Up 09:10:55 - 09:40:55 4034
Oroville 09:25:55 -54.7 Dark Down 68.8 189.5 Up 09:10:55 - 09:40:55 4026
Tonasket 09:25:55 -54.8 Dark Down 69.1 189.6 Up 09:10:55 - 09:40:55 4002
Okanogan 09:25:56 -55.1 Dark Down 69.4 189.4 Up 09:10:56 - 09:40:56 3967
Brewster 09:25:56 -55.4 Dark Down 69.7 189.0 Up 09:10:56 - 09:40:56 3938
Manson/Chelan 09:25:57 -55.7 Dark Down 70.0 188.1 Up 09:10:57 - 09:40:57 3916
Entiat 09:25:58 -55.9 Dark Down 70.2 188.1 Up 09:10:58 - 09:40:58 3893
Wenatchee 09:25:58 -56.2 Dark Down 70.4 187.9 Up 09:10:58 - 09:40:58 3866
Ellensburg 09:25:59 -56.5 Dark Down 70.9 187.5 Up 09:10:59 - 09:40:59 3823
Yakima 09:25:59 -56.8 Dark Down 71.3 187.6 Up 09:10:59 - 09:40:59 3780
Toppenish/White Swan 09:25:58 -56.9 Dark Down 71.5 188.1 Up 09:10:58 - 09:40:58 3757
Pasco 09:25:54 -56.4 Dark Down 71.4 191.7 Up 09:10:54 - 09:40:54 3746
PNWRO 09:25:53 -56.4 Dark Down 71.7 192.4 Up 09:10:53 - 09:40:53 3720
George/Umatilla 09:25:54 -56.7 Dark Down 71.8 191.2 Up 09:10:54 - 09:40:54 3710
Goldendale 09:25:59 -57.5 Dark Down 72.1 187.2 Up 09:10:59 - 09:40:59 3699
The Dalles 09:26:00 -57.8 Dark Down 72.3 186.2 Up 09:11:00 - 09:41:00 3675
Maupin 09:26:00 -58.1 Dark Down 72.7 186.7 Up 09:11:00 - 09:41:00 3630
Madras/Culver 09:26:01 -58.5 Dark Down 73.3 186.8 Up 09:11:01 - 09:41:01 3572
Sisters 09:26:02 -58.9 Dark Down 73.6 185.5 Up 09:11:02 - 09:41:02 3537
Redmond 09:26:01 -58.8 Dark Down 73.6 186.8 Up 09:11:01 - 09:41:01 3534
Bend 09:26:01 -59.0 Dark Down 73.8 186.4 Up 09:11:01 - 09:41:01 3511
Oregon Observatory 09:26:02 -59.2 Dark Down 74.0 186.1 Up 09:11:02 - 09:41:02 3493
La Pine/Gilchrist 09:26:02 -59.3 Dark Down 74.2 185.9 Up 09:11:02 - 09:41:02 3471
North Lake 09:26:00 -59.3 Dark Down 74.6 188.1 Up 09:11:00 - 09:41:00 3424
Paisley 09:25:58 -59.5 Dark Down 75.1 189.6 Up 09:10:58 - 09:40:58 3365
Chiloquin 09:26:03 -60.3 Dark Down 75.4 185.2 Up 09:11:03 - 09:41:03 3351
Klamath Falls 09:26:02 -60.5 Dark Down 75.7 185.6 Up 09:11:02 - 09:41:02 3315
Lakeview 09:25:58 -59.7 Dark Down 75.6 190.6 Up 09:10:58 - 09:40:58 3311
Tulelake 09:26:02 -60.5 Dark Down 76.0 186.7 Up 09:11:02 - 09:41:02 3286
Cedarville 09:25:57 -60.0 Dark Down 76.2 191.7 Up 09:10:57 - 09:40:57 3240
Fall River/Burney 09:26:01 -61.0 Dark Down 76.8 187.5 Up 09:11:01 - 09:41:01 3187
Niwot 09:25:03 -50.8 Dark Up 70.9 236.1 Up 09:10:03 - 09:40:03 3176
Susanville 09:25:59 -61.0 Dark Down 77.4 190.8 Up 09:10:59 - 09:40:59 3119
Greenville 09:25:59 -61.3 Dark Down 77.7 189.9 Up 09:10:59 - 09:40:59 3089
Gimple 09:25:59 -61.2 Dark Down 77.7 190.2 Up 09:10:59 - 09:40:59 3089
Quincy 09:26:00 -61.4 Dark Down 77.9 190.0 Up 09:11:00 - 09:41:00 3067
Portola 09:25:58 -61.2 Dark Down 77.9 192.1 Up 09:10:58 - 09:40:58 3054
Reno 09:25:55 -60.9 Dark Down 78.1 195.1 Up 09:10:55 - 09:40:55 3025
Carson City 09:25:55 -61.1 Dark Down 78.4 195.6 Up 09:10:55 - 09:40:55 2986
Yerington 09:25:53 -60.8 Dark Down 78.5 198.6 Up 09:10:53 - 09:40:53 2966
Gardnerville 09:25:55 -61.2 Dark Down 78.7 196.1 Up 09:10:55 - 09:40:55 2960
Hawthorne 09:25:51 -60.7 Dark Down 78.8 201.6 Up 09:10:51 - 09:40:51 2916
Tonopah 09:25:45 -60.0 Dark Down 78.7 208.4 Up 09:10:45 - 09:40:45 2869
Lee Vining 09:25:53 -61.4 Dark Down 79.4 200.5 Up 09:10:53 - 09:40:53 2854
Bishop 09:25:50 -61.2 Dark Down 79.8 205.0 Up 09:10:50 - 09:40:50 2790
Beatty 09:25:44 -60.3 Dark Down 79.5 213.4 Up 09:10:44 - 09:40:44 2744
Indian Springs 09:25:39 -59.6 Dark Down 79.3 218.7 Up 09:10:39 - 09:40:39 2712
Lone Pine 09:25:48 -61.3 Dark Down 80.3 208.5 Up 09:10:48 - 09:40:48 2707
Henderson 09:25:37 -59.3 Dark Down 79.3 223.2 Up 09:10:37 - 09:40:37 2656
Searchlight/Boulder City 09:25:36 -59.5 Dark Down 79.7 225.6 Up 09:10:36 - 09:40:36 2594
Patrick 09:25:32 -58.8 Dark Down 79.1 229.5 Up 09:10:32 - 09:40:32 2593
Kingman/Dolan Springs 09:25:33 -59.0 Dark Down 79.4 229.8 Up 09:10:33 - 09:40:33 2568
DCO 09:25:29 -58.3 Dark Down 78.9 233.0 Up 09:10:29 - 09:40:29 2564
Laughlin/Bullhead City 09:25:35 -59.4 Dark Down 79.7 228.1 Up 09:10:35 - 09:40:35 2563
CPSLO 09:25:58 -63.8 Dark Down 82.3 197.9 Up 09:10:58 - 09:40:58 2561
Mohave Valley 09:25:34 -59.5 Dark Down 79.9 229.2 Up 09:10:34 - 09:40:34 2533
Lake Havasu City 09:25:33 -59.4 Dark Down 80.0 231.8 Up 09:10:33 - 09:40:33 2490
Parker 09:25:33 -59.5 Dark Down 80.2 233.5 Up 09:10:33 - 09:40:33 2451
Wildwood 09:25:50 -62.8 Dark Down 82.7 214.5 Up 09:10:50 - 09:40:50 2430
Idyllwild 09:25:43 -61.5 Dark Down 82.0 226.0 Up 09:10:43 - 09:40:43 2396
Blythe 09:25:34 -59.9 Dark Down 80.7 235.0 Up 09:10:34 - 09:40:34 2392
Calipatria 09:25:37 -60.8 Dark Down 81.6 234.3 Up 09:10:37 - 09:40:37 2333
Yuma 09:25:34 -60.2 Dark Down 81.2 239.8 Up 09:10:34 - 09:40:34 2290

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 06QG181, (2019/11/22 09:26UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 14.89 114
Alnath         05:26:17.5 +28:36:23  1.6  2.13 100
PPM 094294     05:20:59.3 +27:57:25  6.3  0.87 101
PPM 094248     05:18:15.4 +28:46:47  7.4  0.84 102
PPM 094223     05:16:24.4 +27:51:08  9.7  0.19 102
06QG181        05:17:02.5 +27:59:13 13.1       102
Positions are for J2000

Event circumstances last updated at 2018/10/25 20:34:08 UT

Marc W. Buie, Southwest Research Institute

RECON