RECON: TNO occultation with 10TM182

Event between 10TM182 and star GA1040:00246027 with event index number of 235893

Geocentric closest approach at 2019/12/06 05:59:23 UTC

J2000 position of star is 02:35:55.4 +14:58:46
Equinox of date position of star is 02:36:59.4 +15:03:47
Stellar brightness G=14.9, use SENSEUP=128
Star is 37 degrees from the moon. Moon is 68% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 33.7 AU from the Sun and 32.8 AU from the Earth.
The TNO is moving 20.0 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 77 seconds.
The 1-sigma cross-track error in the shadow position is 1330 km.
The sky-plane scale is 23810.9 km/arcsec.

The TNO has an absolute magnitude Hv=7.0
Diameter=238.8 km assuming a 5% albedo -- 11.9 sec chord
Diameter=97.5 km assuming a 30% albedo -- 4.9 sec chord
Dynamical classification is 3:2E
 
 
 
 
 
 

Star training set for 10TM182, (2019/12/06 05:59UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:04.0 +16:32:52  0.8 28.89  64
Hamal          02:08:18.1 +23:33:21  2.0 10.86  36
29 Ari         02:33:59.8 +15:07:18  6.0  0.73  36
PPM 118374     02:37:17.8 +15:14:03  8.8  0.18  37
10TM182        02:37:01.2 +15:03:56 14.9        37
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 21.3 km RECON observability=1.0 and success probability=0.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Kelowna 05:58:14 -55.1 Dark Up 54.7 190.0 Up 05:51:20 - 06:05:08 8049
Summerland 05:58:15 -55.2 Dark Up 55.1 189.6 Up 05:51:21 - 06:05:09 8027
Penticton 05:58:15 -55.3 Dark Up 55.1 189.8 Up 05:51:21 - 06:05:09 8019
Okanagan Falls 05:58:15 -55.4 Dark Up 55.3 189.8 Up 05:51:21 - 06:05:09 8002
Oliver 05:58:15 -55.5 Dark Up 55.5 189.9 Up 05:51:21 - 06:05:09 7987
Anarchist Mountain Observatory 05:58:15 -55.7 Dark Up 55.6 190.2 Up 05:51:21 - 06:05:09 7968
Oroville 05:58:15 -55.7 Dark Up 55.7 190.1 Up 05:51:21 - 06:05:09 7963
Tonasket 05:58:15 -55.9 Dark Up 55.9 190.2 Up 05:51:21 - 06:05:09 7941
Okanogan 05:58:16 -56.0 Dark Up 56.3 190.0 Up 05:51:22 - 06:05:10 7913
Brewster 05:58:17 -56.1 Dark Up 56.6 189.8 Up 05:51:23 - 06:05:11 7892
Manson/Chelan 05:58:18 -56.0 Dark Up 56.8 189.2 Up 05:51:24 - 06:05:12 7880
Entiat 05:58:18 -56.1 Dark Up 57.0 189.1 Up 05:51:24 - 06:05:12 7861
Wenatchee 05:58:19 -56.2 Dark Up 57.3 189.0 Up 05:51:25 - 06:05:13 7840
Ellensburg 05:58:21 -56.4 Dark Up 57.7 188.7 Up 05:51:27 - 06:05:15 7806
Yakima 05:58:21 -56.6 Dark Up 58.1 188.8 Up 05:51:27 - 06:05:15 7768
Toppenish/White Swan 05:58:21 -56.8 Dark Up 58.3 189.1 Up 05:51:27 - 06:05:15 7745
Pasco 05:58:16 -57.6 Dark Up 58.3 191.5 Up 05:51:22 - 06:05:10 7709
Goldendale 05:58:23 -56.9 Dark Up 58.9 188.5 Up 05:51:29 - 06:05:17 7702
The Dalles 05:58:25 -56.8 Dark Up 59.2 187.9 Up 05:51:31 - 06:05:19 7688
George/Umatilla 05:58:18 -57.7 Dark Up 58.7 191.2 Up 05:51:24 - 06:05:12 7682
PNWRO 05:58:16 -57.8 Dark Up 58.5 192.0 Up 05:51:22 - 06:05:10 7682
Maupin 05:58:25 -57.1 Dark Up 59.6 188.2 Up 05:51:31 - 06:05:19 7647
Madras/Culver 05:58:25 -57.4 Dark Up 60.1 188.2 Up 05:51:31 - 06:05:19 7596
Sisters 05:58:27 -57.3 Dark Up 60.5 187.5 Up 05:51:33 - 06:05:21 7574
Redmond 05:58:26 -57.6 Dark Up 60.5 188.2 Up 05:51:32 - 06:05:20 7563
Bend 05:58:27 -57.6 Dark Up 60.7 188.0 Up 05:51:33 - 06:05:21 7546
Oregon Observatory 05:58:28 -57.6 Dark Up 60.9 187.8 Up 05:51:34 - 06:05:22 7532
La Pine/Gilchrist 05:58:28 -57.7 Dark Up 61.1 187.8 Up 05:51:34 - 06:05:22 7514
North Lake 05:58:26 -58.3 Dark Up 61.5 189.1 Up 05:51:32 - 06:05:20 7460
Chiloquin 05:58:30 -58.0 Dark Up 62.2 187.3 Up 05:51:36 - 06:05:24 7415
Paisley 05:58:25 -58.8 Dark Up 62.0 189.9 Up 05:51:31 - 06:05:19 7400
Klamath Falls 05:58:30 -58.2 Dark Up 62.6 187.6 Up 05:51:36 - 06:05:24 7381
Tulelake 05:58:30 -58.6 Dark Up 62.8 188.3 Up 05:51:36 - 06:05:24 7348
Lakeview 05:58:25 -59.2 Dark Up 62.5 190.5 Up 05:51:31 - 06:05:19 7347
Cedarville 05:58:25 -59.6 Dark Up 63.1 191.1 Up 05:51:31 - 06:05:19 7279
Fall River/Burney 05:58:30 -59.1 Dark Up 63.7 188.7 Up 05:51:36 - 06:05:24 7258
Susanville 05:58:28 -59.8 Dark Up 64.2 190.5 Up 05:51:34 - 06:05:22 7181
Greenville 05:58:30 -59.8 Dark Up 64.5 190.0 Up 05:51:36 - 06:05:24 7160
Gimple 05:58:30 -59.8 Dark Up 64.5 190.2 Up 05:51:36 - 06:05:24 7158
Quincy 05:58:30 -59.9 Dark Up 64.7 190.1 Up 05:51:36 - 06:05:24 7140
Portola 05:58:28 -60.2 Dark Up 64.8 191.2 Up 05:51:34 - 06:05:22 7117
Reno 05:58:26 -60.8 Dark Up 65.0 192.8 Up 05:51:32 - 06:05:20 7077
Carson City 05:58:25 -61.0 Dark Up 65.3 193.0 Up 05:51:31 - 06:05:19 7041
Gardnerville 05:58:26 -61.1 Dark Up 65.5 193.2 Up 05:51:32 - 06:05:20 7016
Yerington 05:58:24 -61.5 Dark Up 65.4 194.5 Up 05:51:30 - 06:05:18 7008
Hawthorne 05:58:22 -62.1 Dark Up 65.7 196.0 Up 05:51:28 - 06:05:16 6950
Lee Vining 05:58:25 -62.0 Dark Up 66.4 195.2 Up 05:51:31 - 06:05:19 6904
Tonopah 05:58:17 -63.3 Dark Up 65.8 199.5 Up 05:51:23 - 06:05:11 6874
Niwot 05:57:26 -69.0 Dark Up 59.4 220.4 Up 05:50:32 - 06:04:20 6865
SwRI 05:57:27 -69.0 Dark Up 59.6 220.4 Up 05:50:33 - 06:04:21 6856
Bishop 05:58:22 -62.8 Dark Up 66.8 197.3 Up 05:51:28 - 06:05:16 6829
Beatty 05:58:16 -64.1 Dark Up 66.8 201.4 Up 05:51:22 - 06:05:10 6747
Lone Pine 05:58:21 -63.3 Dark Up 67.4 198.6 Up 05:51:27 - 06:05:15 6744
Indian Springs 05:58:11 -65.0 Dark Up 66.8 204.2 Up 05:51:17 - 06:05:05 6691
CPSLO 05:58:34 -61.9 Dark Up 69.2 193.0 Up 05:51:40 - 06:05:28 6671
Henderson 05:58:09 -65.8 Dark Up 67.0 206.3 Up 05:51:15 - 06:05:03 6622
Searchlight/Boulder City 05:58:09 -66.1 Dark Up 67.5 207.1 Up 05:51:15 - 06:05:03 6562
Patrick 05:58:05 -66.9 Dark Up 67.1 209.5 Up 05:51:11 - 06:04:59 6535
Laughlin/Bullhead City 05:58:08 -66.5 Dark Up 67.6 208.2 Up 05:51:14 - 06:05:02 6524
Kingman/Dolan Springs 05:58:06 -66.8 Dark Up 67.4 209.3 Up 05:51:12 - 06:05:00 6516
Wildwood 05:58:27 -63.9 Dark Up 69.9 199.4 Up 05:51:33 - 06:05:21 6500
Mohave Valley 05:58:08 -66.6 Dark Up 67.9 208.5 Up 05:51:14 - 06:05:02 6496
DCO 05:58:02 -67.5 Dark Up 67.1 211.4 Up 05:51:08 - 06:04:56 6489
Lake Havasu City 05:58:07 -66.9 Dark Up 68.1 209.6 Up 05:51:13 - 06:05:01 6450
Idyllwild 05:58:19 -65.5 Dark Up 69.7 204.7 Up 05:51:25 - 06:05:13 6422
Parker 05:58:07 -67.1 Dark Up 68.4 210.1 Up 05:51:13 - 06:05:01 6412
Blythe 05:58:09 -67.1 Dark Up 69.0 210.1 Up 05:51:15 - 06:05:03 6364
Calipatria 05:58:14 -66.6 Dark Up 69.8 208.4 Up 05:51:20 - 06:05:08 6333
Yuma 05:58:10 -67.4 Dark Up 69.8 211.2 Up 05:51:16 - 06:05:04 6269

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 10TM182, (2019/12/06 05:59UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 28.89  64
Hamal          02:07:10.7 +23:27:42  2.0 10.86  36
29 Ari         02:32:54.1 +15:02:05  6.0  0.73  36
PPM 118374     02:36:12.0 +15:08:53  8.8  0.18  37
10TM182        02:35:55.4 +14:58:46 14.9        37
Positions are for J2000

Event circumstances last updated at 2019/05/21 23:25:59 UT

Marc W. Buie, Southwest Research Institute

RECON