RECON: TNO occultation with 03HM57

Event between 03HM57 and star GA0560:13659640 with event index number of 189177

Geocentric closest approach at 2019/04/24 11:04:12 UTC

J2000 position of star is 16:57:08.0 -32:30:21
Equinox of date position of star is 16:58:22.5 -32:32:04
Stellar brightness G=16.5, use SENSEUP=128
Star is 23 degrees from the moon. Moon is 73% illuminated.
TNO apparent brightness V=20.7

[RECON map]
TNO is 16.2 AU from the Sun and 15.4 AU from the Earth.
The TNO is moving 13.2 km/sec on the sky relative to the star, or, 4.2 arcsec/hr.
The 1-sigma error in the time of the event is 81 seconds.
The 1-sigma cross-track error in the shadow position is 607 km.
The sky-plane scale is 11201.3 km/arcsec.

The TNO has an absolute magnitude Hv=8.5
Diameter=120.2 km assuming a 5% albedo -- 9.1 sec chord
Diameter=49.1 km assuming a 30% albedo -- 3.7 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 03HM57, (2019/04/24 11:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:30:35.7 -26:28:24  0.9  8.56  27
26Eps Sco      16:51:25.1 -34:19:36  2.3  2.31  25
27 Sco         16:58:26.9 -33:17:18  5.2  0.75  23
PPM 295699     16:58:12.9 -32:22:02  7.9  0.17  23
PPM 295702     16:58:18.0 -32:30:36  9.9  0.03  23
03HM57         16:58:23.3 -32:32:05 16.5        22
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 12.4 km RECON observability=0.3 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)
Summerland 11:02:10 -15.4 AT Up 7.6 183.1 Really Low 10:54:56 - 11:09:25 3437
Kelowna 11:02:08 -15.2 AT Up 7.5 183.5 Really Low 10:54:54 - 11:09:23 3431
Penticton 11:02:09 -15.5 AT Up 7.9 183.3 Really Low 10:54:55 - 11:09:24 3428
Okanagan Falls 11:02:09 -15.6 AT Up 8.1 183.3 Really Low 10:54:54 - 11:09:23 3425
Oliver 11:02:09 -15.7 AT Up 8.2 183.3 Really Low 10:54:55 - 11:09:24 3422
Oroville 11:02:08 -15.8 AT Up 8.5 183.4 Really Low 10:54:54 - 11:09:23 3416
Anarchist Mountain Observatory 11:02:08 -15.7 AT Up 8.4 183.5 Really Low 10:54:53 - 11:09:22 3416
Tonasket 11:02:08 -16.0 AT Up 8.7 183.4 Really Low 10:54:54 - 11:09:23 3412
Manson/Chelan 11:02:13 -16.9 AT Up 9.6 182.8 Really Low 10:54:58 - 11:09:27 3410
Okanogan 11:02:09 -16.3 AT Up 9.1 183.3 Really Low 10:54:54 - 11:09:23 3408
Brewster 11:02:10 -16.6 AT Up 9.3 183.1 Really Low 10:54:56 - 11:09:25 3407
Entiat 11:02:12 -17.1 AT Up 9.8 182.8 Really Low 10:54:58 - 11:09:27 3407
Wenatchee 11:02:13 -17.3 AT Up 10.0 182.7 Really Low 10:54:59 - 11:09:28 3404
Ellensburg 11:02:14 -17.7 AT Up 10.5 182.5 Really Low 10:55:00 - 11:09:29 3399
Yakima 11:02:14 -18.0 AT Up 10.9 182.5 Really Low 10:55:00 - 11:09:29 3391
Toppenish/White Swan 11:02:13 -18.0 Dark Up 11.1 182.6 Really Low 10:54:59 - 11:09:28 3383
The Dalles 11:02:18 -19.0 Dark Up 11.9 182.0 Really Low 10:55:03 - 11:09:32 3380
Goldendale 11:02:16 -18.6 Dark Up 11.6 182.3 Really Low 10:55:02 - 11:09:31 3379
Maupin 11:02:18 -19.2 Dark Up 12.3 182.1 Really Low 10:55:03 - 11:09:32 3369
Pasco 11:02:07 -17.5 AT Up 11.1 183.7 Really Low 10:54:52 - 11:09:21 3357
Madras/Culver 11:02:18 -19.6 Dark Up 12.8 182.0 Really Low 10:55:03 - 11:09:32 3356
Sisters 11:02:20 -20.0 Dark Up 13.2 181.7 Really Low 10:55:06 - 11:09:35 3356
George/Umatilla 11:02:08 -17.8 AT Up 11.5 183.5 Really Low 10:54:53 - 11:09:22 3353
Redmond 11:02:18 -19.9 Dark Up 13.2 182.0 Really Low 10:55:04 - 11:09:33 3348
PNWRO 11:02:05 -17.5 AT Up 11.4 183.9 Really Low 10:54:51 - 11:09:20 3346
Bend 11:02:18 -20.1 Dark Up 13.4 181.9 Really Low 10:55:04 - 11:09:33 3345
Oregon Observatory 11:02:20 -20.3 Dark Up 13.6 181.8 Really Low 10:55:05 - 11:09:34 3343
La Pine/Gilchrist 11:02:21 -20.4 Dark Up 13.8 181.7 Really Low 10:55:06 - 11:09:35 3339
North Lake 11:02:17 -20.4 Dark Up 14.2 182.2 Really Low 10:55:03 - 11:09:32 3316
Chiloquin 11:02:23 -21.4 Dark Up 14.9 181.4 Really Low 10:55:09 - 11:09:38 3315
Klamath Falls 11:02:22 -21.6 Dark Up 15.3 181.5 Really Low 10:55:08 - 11:09:37 3304
Paisley 11:02:15 -20.6 Dark Up 14.8 182.6 Really Low 10:55:01 - 11:09:30 3294
Tulelake 11:02:21 -21.6 Dark Up 15.5 181.8 Really Low 10:55:06 - 11:09:35 3290
Lakeview 11:02:14 -20.8 Dark Up 15.3 182.7 Really Low 10:54:59 - 11:09:28 3275
Fall River/Burney 11:02:21 -22.2 Dark Up 16.4 181.8 Really Low 10:55:06 - 11:09:35 3261
Cedarville 11:02:14 -21.2 Dark Up 15.9 182.9 Really Low 10:54:59 - 11:09:28 3252
Susanville 11:02:16 -22.2 Dark Up 17.0 182.5 Really Low 10:55:01 - 11:09:30 3226
Greenville 11:02:18 -22.5 Dark Up 17.3 182.2 Really Low 10:55:04 - 11:09:33 3223
Gimple 11:02:18 -22.5 Dark Up 17.3 182.3 Really Low 10:55:03 - 11:09:32 3222
Quincy 11:02:19 -22.7 Dark Up 17.5 182.2 Really Low 10:55:04 - 11:09:33 3217
Portola 11:02:15 -22.5 Dark Up 17.6 182.7 Really Low 10:55:01 - 11:09:30 3203
Reno 11:02:12 -22.3 Dark Up 17.9 183.2 Really Low 10:54:57 - 11:09:26 3180
Carson City 11:02:12 -22.5 Dark Up 18.2 183.2 Really Low 10:54:57 - 11:09:26 3167
Gardnerville 11:02:11 -22.6 Dark Up 18.5 183.3 Really Low 10:54:57 - 11:09:26 3158
Yerington 11:02:07 -22.3 Dark Up 18.4 183.8 Really Low 10:54:53 - 11:09:22 3147
Hawthorne 11:02:05 -22.2 Dark Up 18.8 184.3 Really Low 10:54:50 - 11:09:19 3119
Lee Vining 11:02:08 -22.9 Dark Up 19.4 183.9 Really Low 10:54:53 - 11:09:22 3109
Bishop 11:02:03 -22.8 Dark Up 20.0 184.5 Really Low 10:54:48 - 11:09:17 3070
Tonopah 11:01:56 -21.7 Dark Up 19.2 185.5 Really Low 10:54:41 - 11:09:10 3069
CPSLO 11:02:18 -25.5 Dark Up 22.1 182.6 Low 10:55:04 - 11:09:33 3037
Lone Pine 11:02:01 -23.1 Dark Up 20.7 184.8 Low 10:54:47 - 11:09:16 3032
Beatty 11:01:53 -22.1 Dark Up 20.3 186.0 Low 10:54:39 - 11:09:08 3013
Indian Springs 11:01:46 -21.6 Dark Up 20.5 186.9 Low 10:54:32 - 11:09:01 2974
Wildwood 11:02:05 -25.0 Dark Up 23.2 184.4 Low 10:54:51 - 11:09:20 2939
Henderson 11:01:42 -21.5 Dark Up 21.0 187.5 Low 10:54:28 - 11:08:57 2934
Searchlight/Boulder City 11:01:42 -21.8 Dark Up 21.6 187.6 Low 10:54:27 - 11:08:56 2908
Laughlin/Bullhead City 11:01:39 -21.7 Dark Up 21.8 187.9 Low 10:54:24 - 11:08:53 2886
Patrick 11:01:35 -21.1 Dark Up 21.5 188.6 Low 10:54:21 - 11:08:50 2878
Idyllwild 11:01:53 -24.0 Dark Up 23.5 186.1 Low 10:54:39 - 11:09:08 2877
Mohave Valley 11:01:39 -21.9 Dark Up 22.1 188.0 Low 10:54:25 - 11:08:54 2874
Kingman/Dolan Springs 11:01:36 -21.4 Dark Up 21.8 188.4 Low 10:54:22 - 11:08:51 2873
Lake Havasu City 11:01:38 -22.0 Dark Up 22.5 188.2 Low 10:54:24 - 11:08:53 2850
DCO 11:01:30 -20.8 Dark Up 21.7 189.2 Low 10:54:16 - 11:08:45 2846
Parker 11:01:37 -22.1 Dark Up 22.8 188.3 Low 10:54:23 - 11:08:52 2833
Niwot 11:00:45 -13.0 AT Up 15.5 195.6 Really Low 10:53:31 - 11:08:00 2820
Calipatria 11:01:46 -23.5 Dark Up 24.0 187.2 Low 10:54:31 - 11:09:00 2819
SwRI 11:00:45 -13.1 AT Up 15.6 195.6 Really Low 10:53:31 - 11:08:00 2819
Blythe 11:01:40 -22.6 Dark Up 23.4 188.0 Low 10:54:25 - 11:08:54 2817
Yuma 11:01:40 -23.2 Dark Up 24.3 188.0 Low 10:54:26 - 11:08:55 2775

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 03HM57, (2019/04/24 11:04UT)
Object            RA         Dec     mag  sep  mel
Antares        16:29:24.4 -26:25:56  0.9  8.56  27
26Eps Sco      16:50:08.9 -34:17:41  2.3  2.31  25
27 Sco         16:57:11.2 -33:15:35  5.2  0.75  23
PPM 295699     16:56:57.8 -32:20:17  7.9  0.17  23
PPM 295702     16:57:02.7 -32:28:52  9.9  0.03  23
03HM57         16:57:08.0 -32:30:21 16.5        23
Positions are for J2000

Event circumstances last updated at 2019/02/12 07:22:16 UT

Marc W. Buie, Southwest Research Institute

RECON