RECON: TNO occultation with 13PS76

Event between 13PS76 and star GA1040:00184641 with event index number of 231456

Geocentric closest approach at 2018/10/12 07:22:49 UTC

J2000 position of star is 01:55:34.1 +14:37:21
Equinox of date position of star is 01:56:35.0 +14:42:50
Stellar brightness G=16.1, use SENSEUP=128
Star is 152 degrees from the moon. Moon is 12% illuminated.
TNO apparent brightness V=24.2

[RECON map]
TNO is 46.1 AU from the Sun and 45.2 AU from the Earth.
The TNO is moving 25.0 km/sec on the sky relative to the star, or, 2.7 arcsec/hr.
The 1-sigma error in the time of the event is 280 seconds.
The 1-sigma cross-track error in the shadow position is 5945 km.
The sky-plane scale is 32765.4 km/arcsec.

The TNO has an absolute magnitude Hv=7.6
Diameter=181.1 km assuming a 5% albedo -- 7.3 sec chord
Diameter=74.0 km assuming a 30% albedo -- 3.0 sec chord
Dynamical classification is SCATNEAR
 
 
 
 
 
 

Star training set for 13PS76, (2018/10/12 07:23UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.0 +16:32:44  0.8 38.60 169
6Bet Ari       01:55:40.9 +20:53:57  2.6  6.19 152
PPM 117850     02:00:26.4 +12:23:06  6.1  2.51 153
PPM 117825     01:58:47.4 +14:28:48  8.1  0.58 153
PPM 117804     01:57:46.4 +14:59:10  9.8  0.40 153
PPM 117803     01:57:43.9 +14:39:49 10.5  0.28 153
13PS76         01:56:35.0 +14:42:50 16.1       153
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 3.2 sigma about the mid-time.
The median site spacing is 18.3 km RECON observability=1.0 and success probability=2.7%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Rutland 07:22:47 -47.3 Dark Down 52.2 152.9 Up 07:07:47 - 07:37:47 13034
Penticton 07:22:49 -47.6 Dark Down 52.5 152.5 Up 07:07:49 - 07:37:49 13011
Okanagan Falls 07:22:49 -47.8 Dark Down 52.6 152.3 Up 07:07:49 - 07:37:49 12997
Southern Okanagan 07:22:49 -48.0 Dark Down 52.8 152.3 Up 07:07:49 - 07:37:49 12984
Oroville 07:22:49 -48.2 Dark Down 53.0 152.3 Up 07:07:49 - 07:37:49 12961
Tonasket 07:22:50 -48.5 Dark Down 53.2 152.2 Up 07:07:50 - 07:37:50 12943
Okanogan 07:22:51 -48.8 Dark Down 53.5 151.7 Up 07:07:51 - 07:37:51 12921
Brewster 07:22:52 -49.0 Dark Down 53.7 151.2 Up 07:07:52 - 07:37:52 12905
Manson/Chelan 07:22:53 -49.2 Dark Down 53.7 150.5 Up 07:07:53 - 07:37:53 12900
Entiat 07:22:54 -49.4 Dark Down 53.9 150.3 Up 07:07:54 - 07:37:54 12884
Wenatchee 07:22:55 -49.6 Dark Down 54.1 150.0 Up 07:07:55 - 07:37:55 12867
Ellensburg 07:22:57 -50.0 Dark Down 54.4 149.4 Up 07:07:57 - 07:37:57 12841
Yakima 07:22:57 -50.4 Dark Down 54.7 149.0 Up 07:07:57 - 07:37:57 12809
Toppenish/White Swan 07:22:57 -50.7 Dark Down 55.0 149.1 Up 07:07:57 - 07:37:57 12787
Goldendale 07:22:59 -51.2 Dark Down 55.3 148.1 Up 07:07:59 - 07:37:59 12755
The Dalles 07:23:01 -51.3 Dark Down 55.3 147.3 Up 07:08:01 - 07:38:01 12748
Pasco 07:22:54 -50.9 Dark Down 55.5 151.1 Up 07:07:54 - 07:37:54 12739
George/Umatilla 07:22:55 -51.2 Dark Down 55.7 150.5 Up 07:07:55 - 07:37:55 12719
PNWRO 07:22:54 -51.2 Dark Down 55.8 151.2 Up 07:07:54 - 07:37:54 12712
Maupin 07:23:01 -51.8 Dark Down 55.7 147.2 Up 07:08:01 - 07:38:01 12711
Madras/Culver 07:23:03 -52.3 Dark Down 56.2 146.7 Up 07:08:03 - 07:38:03 12668
Sisters 07:23:05 -52.5 Dark Down 56.3 145.7 Up 07:08:05 - 07:38:05 12655
Redmond 07:23:04 -52.6 Dark Down 56.4 146.3 Up 07:08:04 - 07:38:04 12640
Bend 07:23:05 -52.8 Dark Down 56.6 145.9 Up 07:08:05 - 07:38:05 12627
Oregon Observatory 07:23:05 -53.0 Dark Down 56.7 145.6 Up 07:08:05 - 07:38:05 12617
La Pine/Gilchrist 07:23:06 -53.2 Dark Down 56.8 145.3 Up 07:08:06 - 07:38:06 12602
North Lake 07:23:05 -53.7 Dark Down 57.4 145.9 Up 07:08:05 - 07:38:05 12547
Chiloquin 07:23:09 -54.2 Dark Down 57.6 143.7 Up 07:08:09 - 07:38:09 12521
Klamath Falls 07:23:10 -54.5 Dark Down 57.9 143.6 Up 07:08:10 - 07:38:10 12490
Paisley 07:23:06 -54.3 Dark Down 58.0 146.0 Up 07:08:06 - 07:38:06 12489
Tulelake 07:23:10 -54.9 Dark Down 58.2 143.8 Up 07:08:10 - 07:38:10 12457
Lakeview 07:23:07 -54.8 Dark Down 58.5 145.8 Up 07:08:07 - 07:38:07 12440
Cedarville 07:23:07 -55.5 Dark Down 59.1 145.5 Up 07:08:07 - 07:38:07 12379
Fall River/Burney 07:23:12 -55.8 Dark Down 59.0 143.0 Up 07:08:12 - 07:38:12 12378
Susanville 07:23:11 -56.5 Dark Down 59.8 143.6 Up 07:08:11 - 07:38:11 12299
Greenville 07:23:12 -56.7 Dark Down 59.9 142.9 Up 07:08:12 - 07:38:12 12285
Gimple 07:23:12 -56.7 Dark Down 60.0 143.0 Up 07:08:12 - 07:38:12 12282
Quincy 07:23:13 -56.9 Dark Down 60.1 142.7 Up 07:08:13 - 07:38:13 12268
Portola 07:23:12 -57.1 Dark Down 60.4 143.3 Up 07:08:12 - 07:38:12 12241
Reno 07:23:10 -57.5 Dark Down 60.9 144.2 Up 07:08:10 - 07:38:10 12196
Carson City 07:23:11 -57.8 Dark Down 61.2 143.9 Up 07:08:11 - 07:38:11 12164
Gardnerville 07:23:12 -58.1 Dark Down 61.4 143.7 Up 07:08:12 - 07:38:12 12141
Yerington 07:23:09 -58.1 Dark Down 61.7 144.8 Up 07:08:09 - 07:38:09 12125
Hawthorne 07:23:09 -58.6 Dark Down 62.3 145.2 Up 07:08:09 - 07:38:09 12067
Lee Vining 07:23:12 -59.1 Dark Down 62.5 143.7 Up 07:08:12 - 07:38:12 12033
Tonopah 07:23:05 -59.2 Dark Down 63.3 147.4 Up 07:08:05 - 07:38:05 11977
Bishop 07:23:10 -59.8 Dark Down 63.3 144.4 Up 07:08:10 - 07:38:10 11955
Lone Pine 07:23:11 -60.6 Dark Down 64.1 144.1 Up 07:08:11 - 07:38:11 11875
Beatty 07:23:06 -60.4 Dark Down 64.5 147.0 Up 07:08:06 - 07:38:06 11857
CPSLO 07:23:22 -61.5 Dark Down 63.8 137.7 Up 07:08:22 - 07:38:22 11847
Indian Springs 07:23:04 -60.8 Dark Down 65.2 148.8 Up 07:08:04 - 07:38:04 11791
Niwot 07:22:24 -56.4 Dark Down 64.4 174.1 Up 07:07:24 - 07:37:24 11787
Henderson 07:23:02 -61.4 Dark Down 65.9 149.7 Up 07:08:02 - 07:38:02 11718
Wildwood 07:23:17 -63.0 Dark Down 65.8 139.8 Up 07:08:17 - 07:38:17 11663
Searchlight/Boulder City 07:23:03 -61.9 Dark Down 66.4 149.2 Up 07:08:03 - 07:38:03 11663
Laughlin/Bullhead City 07:23:02 -62.2 Dark Down 66.8 149.6 Up 07:08:02 - 07:38:02 11623
Patrick 07:23:00 -62.0 Dark Down 66.9 151.4 Up 07:08:00 - 07:38:00 11622
Kingman/Dolan Springs 07:23:01 -62.2 Dark Down 67.0 150.7 Up 07:08:01 - 07:38:01 11608
Mohave Valley 07:23:03 -62.5 Dark Down 67.1 149.3 Up 07:08:03 - 07:38:03 11598
DCO 07:22:58 -62.3 Dark Down 67.5 152.7 Up 07:07:58 - 07:37:58 11569
Idyllwild 07:23:12 -63.6 Dark Down 67.1 143.1 Up 07:08:12 - 07:38:12 11563
Lake Havasu City 07:23:03 -62.9 Dark Down 67.5 149.3 Up 07:08:03 - 07:38:03 11552
Parker 07:23:03 -63.3 Dark Down 67.8 149.0 Up 07:08:03 - 07:38:03 11518
Blythe 07:23:05 -63.8 Dark Down 68.2 147.6 Up 07:08:05 - 07:38:05 11478
Calipatria 07:23:10 -64.3 Dark Down 68.2 144.8 Up 07:08:10 - 07:38:10 11464
Yuma 07:23:07 -64.7 Dark Down 68.9 146.2 Up 07:08:07 - 07:38:07 11392

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 13PS76, (2018/10/12 07:23UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 38.60 169
6Bet Ari       01:54:38.5 +20:48:27  2.6  6.19 152
PPM 117850     01:59:25.9 +12:17:41  6.1  2.51 153
PPM 117825     01:57:46.4 +14:23:21  8.1  0.58 153
PPM 117804     01:56:45.4 +14:53:42  9.8  0.40 153
PPM 117803     01:56:42.9 +14:34:21 10.5  0.28 153
13PS76         01:55:34.1 +14:37:21 16.1       152
Positions are for J2000

Event circumstances last updated at 2018/10/11 06:01:19 UT

Marc W. Buie, Southwest Research Institute

RECON