RECON: TNO occultation with 518151

Event between (518151) 16FH13 and star GA1260:03606373 with event index number of 1226873

Geocentric closest approach at 2023/01/15 09:36:41 UTC

J2000 position of star is 13:07:24.3 +37:40:12
Equinox of date position of star is 13:08:18.0 +37:34:01
Stellar brightness G=14.9, use SENSEUP=128
Star is 49 degrees from the moon. Moon is 47% illuminated.
TNO apparent brightness V=22.3

[RECON map]
TNO is 15.8 AU from the Sun and 15.4 AU from the Earth.
The TNO is moving 28.7 km/sec on the sky relative to the star, or, 9.3 arcsec/hr.
The 1-sigma error in the time of the event is 218 seconds.
The 1-sigma cross-track error in the shadow position is 3023 km.
The sky-plane scale is 11157.9 km/arcsec.

The TNO has an absolute magnitude Hv=10.1
Diameter=57.5 km assuming a 5% albedo -- 2.0 sec chord
Diameter=23.5 km assuming a 30% albedo -- 0.8 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 518151, (2023/01/15 09:37UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:16:43.1 +19:03:55  0.0 23.73  30
Alkaid         13:48:26.8 +49:11:56  1.9 13.70  59
15 CVn         13:10:45.6 +38:24:42  6.2  0.97  49
PPM 076970     13:10:42.3 +37:18:04  7.1  0.51  48
PPM 076942     13:08:19.5 +37:08:35  8.6  0.41  48
PPM 076948     13:08:41.9 +37:46:25 10.7  0.23  49
518151         13:08:28.2 +37:32:50 14.9        48
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 4.1 sigma about the mid-time.
The median site spacing is 24.1 km RECON observability=1.0 and success probability=61.6%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
CPSLO 09:37:25 -66.5 Dark Up 43.6 68.9 Up 09:22:25 - 09:52:25 3774
Lone Pine 09:37:25 -64.0 Dark Up 46.1 71.0 Up 09:22:25 - 09:52:25 3577
Lee Vining 09:37:31 -64.0 Dark Up 45.7 71.9 Up 09:22:31 - 09:52:31 3552
Bishop 09:37:28 -63.9 Dark Up 46.1 71.6 Up 09:22:28 - 09:52:28 3551
Blythe 09:37:10 -62.8 Dark Up 47.6 68.9 Up 09:22:10 - 09:52:10 3549
Quincy 09:37:40 -64.0 Dark Up 45.0 73.1 Up 09:22:40 - 09:52:40 3518
Greenville 09:37:41 -63.8 Dark Up 45.0 73.3 Up 09:22:41 - 09:52:41 3506
Gimple 09:37:40 -63.8 Dark Up 45.1 73.4 Up 09:22:40 - 09:52:40 3502
Hawthorne 09:37:32 -63.4 Dark Up 46.2 72.7 Up 09:22:32 - 09:52:32 3496
Reno 09:37:37 -63.5 Dark Up 45.7 73.2 Up 09:22:37 - 09:52:37 3491
Laughlin/Bullhead City 09:37:15 -62.2 Dark Up 48.2 70.5 Up 09:22:15 - 09:52:15 3470
Fall River/Burney 09:37:44 -63.5 Dark Up 45.0 74.0 Up 09:22:44 - 09:52:44 3469
Indian Springs 09:37:21 -62.4 Dark Up 47.8 71.7 Up 09:22:21 - 09:52:21 3456
Tonopah 09:37:28 -62.7 Dark Up 47.2 72.7 Up 09:22:28 - 09:52:28 3453
Kingman/Dolan Springs 09:37:14 -61.8 Dark Up 48.6 70.7 Up 09:22:14 - 09:52:14 3441
Patrick 09:37:14 -61.6 Dark Up 48.8 71.0 Up 09:22:14 - 09:52:14 3419
Klamath Falls 09:37:48 -62.9 Dark Up 45.0 75.0 Up 09:22:48 - 09:52:48 3410
Cedarville 09:37:44 -62.5 Dark Up 46.0 75.0 Up 09:22:44 - 09:52:44 3385
Lakeview 09:37:46 -62.1 Dark Up 46.0 75.6 Up 09:22:46 - 09:52:46 3351
Paisley 09:37:48 -61.9 Dark Up 46.0 76.0 Up 09:22:48 - 09:52:48 3327
La Pine/Gilchrist 09:37:52 -61.7 Dark Up 45.6 76.5 Up 09:22:52 - 09:52:52 3303
Maupin 09:37:56 -60.4 Dark Up 46.2 78.3 Up 09:22:56 - 09:52:56 3186
Goldendale 09:37:58 -59.8 Dark Up 46.5 79.1 Up 09:22:58 - 09:52:58 3132
Toppenish/White Swan 09:37:59 -59.2 Dark Up 46.9 79.9 Up 09:22:59 - 09:52:59 3077
Yakima 09:38:00 -59.1 Dark Up 46.8 80.1 Up 09:23:00 - 09:53:00 3069
Ellensburg 09:38:01 -58.8 Dark Up 46.9 80.5 Up 09:23:01 - 09:53:01 3040
PNWRO 09:37:55 -58.7 Dark Up 47.9 80.4 Up 09:22:55 - 09:52:55 3040
Wenatchee 09:38:02 -58.3 Dark Up 47.1 81.1 Up 09:23:02 - 09:53:02 3002
Manson/Chelan 09:38:03 -57.9 Dark Up 47.3 81.7 Up 09:23:03 - 09:53:03 2962
Okanogan 09:38:04 -57.3 Dark Up 47.8 82.6 Up 09:23:04 - 09:53:04 2906
Anarchist Mountain Observatory 09:38:05 -56.7 Dark Up 48.0 83.4 Up 09:23:05 - 09:53:05 2852
Oliver 09:38:06 -56.7 Dark Up 47.9 83.5 Up 09:23:06 - 09:53:06 2847
Summerland 09:38:07 -56.4 Dark Up 47.9 83.9 Up 09:23:07 - 09:53:07 2822
Niwot 09:37:18 -53.4 Dark Up 56.7 80.0 Up 09:22:18 - 09:52:18 2668
SwRI 09:37:19 -53.5 Dark Up 56.6 79.8 Up 09:22:19 - 09:52:19 -2679
Kelowna 09:38:08 -56.1 Dark Up 48.1 84.4 Up 09:23:08 - 09:53:08 -2790
Penticton 09:38:07 -56.4 Dark Up 47.9 83.9 Up 09:23:07 - 09:53:07 -2822
Okanagan Falls 09:38:07 -56.6 Dark Up 47.9 83.7 Up 09:23:07 - 09:53:07 -2837
Oroville 09:38:05 -56.8 Dark Up 48.0 83.3 Up 09:23:05 - 09:53:05 -2860
Tonasket 09:38:04 -57.0 Dark Up 47.9 83.1 Up 09:23:04 - 09:53:04 -2877
Brewster 09:38:03 -57.6 Dark Up 47.6 82.2 Up 09:23:03 - 09:53:03 -2933
Entiat 09:38:02 -58.1 Dark Up 47.3 81.4 Up 09:23:02 - 09:53:02 -2981
Pasco 09:37:57 -58.6 Dark Up 47.8 80.6 Up 09:22:57 - 09:52:57 -3033
George/Umatilla 09:37:56 -59.0 Dark Up 47.6 80.1 Up 09:22:56 - 09:52:56 -3064
The Dalles 09:37:58 -60.1 Dark Up 46.2 78.7 Up 09:22:58 - 09:52:58 -3162
Madras/Culver 09:37:55 -60.8 Dark Up 46.1 77.7 Up 09:22:55 - 09:52:55 -3224
Redmond 09:37:54 -61.1 Dark Up 46.0 77.3 Up 09:22:54 - 09:52:54 -3250
Sisters 09:37:54 -61.3 Dark Up 45.7 77.1 Up 09:22:54 - 09:52:54 -3265
Bend 09:37:53 -61.3 Dark Up 45.8 77.0 Up 09:22:53 - 09:52:53 -3270
Oregon Observatory 09:37:53 -61.5 Dark Up 45.7 76.8 Up 09:22:53 - 09:52:53 -3287
North Lake 09:37:50 -61.7 Dark Up 45.9 76.4 Up 09:22:50 - 09:52:50 -3307
Chiloquin 09:37:49 -62.7 Dark Up 45.1 75.3 Up 09:22:49 - 09:52:49 -3391
DCO 09:37:12 -61.1 Dark Up 49.3 70.8 Up 09:22:12 - 09:52:12 -3394
Tulelake 09:37:47 -62.9 Dark Up 45.2 74.8 Up 09:22:47 - 09:52:47 -3414
Henderson 09:37:18 -62.1 Dark Up 48.2 71.3 Up 09:22:18 - 09:52:18 -3447
Searchlight/Boulder City 09:37:16 -62.3 Dark Up 48.1 70.7 Up 09:22:16 - 09:52:16 -3474
Susanville 09:37:41 -63.5 Dark Up 45.3 73.7 Up 09:22:41 - 09:52:41 -3476
Mohave Valley 09:37:14 -62.3 Dark Up 48.1 70.2 Up 09:22:14 - 09:52:14 -3484
Lake Havasu City 09:37:12 -62.3 Dark Up 48.2 69.9 Up 09:22:12 - 09:52:12 -3490
Yerington 09:37:34 -63.5 Dark Up 46.0 72.9 Up 09:22:34 - 09:52:34 -3494
Beatty 09:37:24 -63.0 Dark Up 47.1 71.7 Up 09:22:24 - 09:52:24 -3495
Portola 09:37:39 -63.8 Dark Up 45.3 73.2 Up 09:22:39 - 09:52:39 -3504
Parker 09:37:11 -62.4 Dark Up 48.1 69.5 Up 09:22:11 - 09:52:11 -3506
Carson City 09:37:36 -63.7 Dark Up 45.6 72.9 Up 09:22:36 - 09:52:36 -3512
Gardnerville 09:37:35 -63.9 Dark Up 45.5 72.6 Up 09:22:35 - 09:52:35 -3524
Yuma 09:37:07 -63.1 Dark Up 47.3 68.0 Up 09:22:07 - 09:52:07 -3596
Calipatria 09:37:10 -63.7 Dark Up 46.7 68.2 Up 09:22:10 - 09:52:10 -3625
Idyllwild 09:37:13 -64.4 Dark Up 46.1 68.5 Up 09:22:13 - 09:52:13 -3659
Wildwood 09:37:18 -65.6 Dark Up 44.7 68.4 Up 09:22:18 - 09:52:18 -3738

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 518151, (2023/01/15 09:37UT)
Object            RA         Dec     mag  sep  mel
Arcturus       14:15:38.2 +19:10:18  0.0 23.73  30
Alkaid         13:47:32.2 +49:18:48  1.9 13.70  59
15 CVn         13:09:42.1 +38:32:02  6.2  0.97  49
PPM 076970     13:09:38.5 +37:25:24  7.1  0.51  48
PPM 076942     13:07:15.5 +37:15:57  8.6  0.41  48
PPM 076948     13:07:38.1 +37:53:47 10.7  0.23  49
518151         13:07:24.3 +37:40:12 14.9        49
Positions are for J2000

Event circumstances last updated at 2019/05/13 22:53:45 UT

Marc W. Buie, Southwest Research Institute

RECON