RECON: TNO occultation with 14PR70

Event between 14PR70 and star GA1080:00190460 with event index number of 173436

Geocentric closest approach at 2018/10/30 03:06:11 UTC

J2000 position of star is 01:47:44.5 +18:14:48
Equinox of date position of star is 01:48:46.0 +18:20:23
Stellar brightness G=15.8, use SENSEUP=128
Star is 75 degrees from the moon. Moon is 68% illuminated.
TNO apparent brightness V=22.0

[RECON map]
TNO is 14.4 AU from the Sun and 13.4 AU from the Earth.
The TNO is moving 19.4 km/sec on the sky relative to the star, or, 7.2 arcsec/hr.
The 1-sigma error in the time of the event is 42 seconds.
The 1-sigma cross-track error in the shadow position is 637 km.
The sky-plane scale is 9741.4 km/arcsec.

The TNO has an absolute magnitude Hv=10.5
Diameter=50.4 km assuming a 5% albedo -- 2.5 sec chord
Diameter=20.6 km assuming a 30% albedo -- 1.0 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 14PR70, (2018/10/30 03:06UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:00.2 +16:32:44  0.8 40.08  37
6Bet Ari       01:55:41.0 +20:53:57  2.6  3.03  73
107 Psc        01:43:31.3 +20:21:34  6.0  2.37  75
PPM 117657     01:47:36.8 +17:30:22  6.7  0.88  75
PPM 117668     01:48:05.7 +18:46:15  8.7  0.46  75
PPM 117678     01:48:48.3 +18:14:26 10.8  0.10  75
14PR70         01:48:46.2 +18:20:24 15.8        75
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 13.5 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)
Rutland 03:07:59 -24.4 Dark Down 32.5 100.3 Up 03:03:59 - 03:12:00 4589
Penticton 03:08:01 -24.3 Dark Down 32.4 100.0 Up 03:04:01 - 03:12:02 4575
Okanagan Falls 03:08:02 -24.3 Dark Down 32.4 99.8 Up 03:04:02 - 03:12:03 4566
Southern Okanagan 03:08:03 -24.4 Dark Down 32.5 99.7 Up 03:04:02 - 03:12:03 4556
Oroville 03:08:04 -24.5 Dark Down 32.6 99.7 Up 03:04:03 - 03:12:04 4540
Tonasket 03:08:05 -24.5 Dark Down 32.7 99.6 Up 03:04:05 - 03:12:06 4527
Okanogan 03:08:07 -24.5 Dark Down 32.6 99.2 Up 03:04:06 - 03:12:07 4513
Manson/Chelan 03:08:10 -24.2 Dark Down 32.3 98.5 Up 03:04:09 - 03:12:10 4505
Brewster 03:08:09 -24.4 Dark Down 32.5 98.9 Up 03:04:08 - 03:12:09 4505
Entiat 03:08:11 -24.1 Dark Down 32.3 98.3 Up 03:04:11 - 03:12:12 4495
Wenatchee 03:08:13 -24.1 Dark Down 32.3 98.0 Up 03:04:12 - 03:12:13 4484
Ellensburg 03:08:15 -24.0 Dark Down 32.2 97.6 Up 03:04:15 - 03:12:16 4468
Yakima 03:08:17 -24.0 Dark Down 32.2 97.4 Up 03:04:17 - 03:12:18 4446
Toppenish/White Swan 03:08:18 -24.2 Dark Down 32.4 97.4 Up 03:04:18 - 03:12:19 4428
Goldendale 03:08:21 -23.9 Dark Down 32.2 96.7 Up 03:04:21 - 03:12:22 4411
The Dalles 03:08:23 -23.7 Dark Down 31.9 96.3 Up 03:04:22 - 03:12:23 4409
Maupin 03:08:25 -23.8 Dark Down 32.1 96.1 Up 03:04:24 - 03:12:25 4382
Pasco 03:08:17 -25.1 Dark Down 33.3 98.3 Up 03:04:16 - 03:12:17 4380
George/Umatilla 03:08:19 -24.9 Dark Down 33.2 97.9 Up 03:04:18 - 03:12:19 4368
PNWRO 03:08:18 -25.2 Dark Down 33.5 98.3 Up 03:04:17 - 03:12:18 4359
Madras/Culver 03:08:27 -23.8 Dark Down 32.1 95.7 Up 03:04:27 - 03:12:28 4351
Sisters 03:08:30 -23.5 Dark Down 31.8 95.2 Up 03:04:29 - 03:12:30 4346
Redmond 03:08:29 -23.8 Dark Down 32.1 95.5 Up 03:04:29 - 03:12:30 4332
Bend 03:08:31 -23.7 Dark Down 32.0 95.3 Up 03:04:30 - 03:12:31 4324
Oregon Observatory 03:08:31 -23.7 Dark Down 32.0 95.0 Up 03:04:31 - 03:12:32 4318
La Pine/Gilchrist 03:08:33 -23.6 Dark Down 31.9 94.9 Up 03:04:32 - 03:12:33 4307
North Lake 03:08:34 -24.1 Dark Down 32.4 95.1 Up 03:04:33 - 03:12:34 4261
Chiloquin 03:08:38 -23.5 Dark Down 31.8 94.0 Up 03:04:38 - 03:12:39 4252
Klamath Falls 03:08:40 -23.5 Dark Down 31.9 93.8 Up 03:04:39 - 03:12:40 4228
Paisley 03:08:36 -24.4 Dark Down 32.7 95.0 Up 03:04:35 - 03:12:36 4215
Tulelake 03:08:41 -23.8 Dark Down 32.1 93.9 Up 03:04:40 - 03:12:41 4201
Lakeview 03:08:38 -24.6 Dark Down 32.9 94.8 Up 03:04:38 - 03:12:39 4177
Fall River/Burney 03:08:45 -23.9 Dark Down 32.2 93.3 Up 03:04:45 - 03:12:46 4141
Cedarville 03:08:41 -24.8 Dark Down 33.1 94.5 Up 03:04:41 - 03:12:42 4129
Susanville 03:08:47 -24.5 Dark Down 32.9 93.5 Up 03:04:46 - 03:12:47 4074
Greenville 03:08:49 -24.3 Dark Down 32.6 93.1 Up 03:04:48 - 03:12:49 4066
Gimple 03:08:48 -24.3 Dark Down 32.7 93.1 Up 03:04:48 - 03:12:49 4063
Quincy 03:08:49 -24.3 Dark Down 32.7 93.0 Up 03:04:49 - 03:12:50 4053
Portola 03:08:49 -24.7 Dark Down 33.0 93.2 Up 03:04:49 - 03:12:50 4028
Reno 03:08:50 -25.2 Dark Down 33.6 93.5 Up 03:04:49 - 03:12:50 3987
Carson City 03:08:51 -25.2 Dark Down 33.6 93.2 Up 03:04:51 - 03:12:52 3962
Gardnerville 03:08:52 -25.3 Dark Down 33.6 93.1 Up 03:04:52 - 03:12:53 3944
Yerington 03:08:51 -25.7 Dark Down 34.1 93.5 Up 03:04:50 - 03:12:51 3926
Hawthorne 03:08:52 -26.2 Dark Down 34.5 93.6 Up 03:04:52 - 03:12:53 3875
Lee Vining 03:08:56 -25.8 Dark Down 34.2 92.9 Up 03:04:55 - 03:12:56 3854
Tonopah 03:08:52 -27.3 Dark Down 35.7 94.2 Up 03:04:51 - 03:12:52 3790
Bishop 03:08:57 -26.4 Dark Down 34.8 92.9 Up 03:04:56 - 03:12:57 3786
CPSLO 03:09:10 -24.7 Dark Down 33.1 90.2 Up 03:05:09 - 03:13:10 3725
Lone Pine 03:09:00 -26.7 Dark Down 35.1 92.6 Up 03:04:59 - 03:13:00 3719
Beatty 03:08:56 -27.7 Dark Down 36.1 93.6 Up 03:04:56 - 03:12:57 3691
Indian Springs 03:08:56 -28.6 Dark Down 37.0 94.1 Up 03:04:55 - 03:12:56 3627
Henderson 03:08:56 -29.2 Dark Down 37.6 94.1 Up 03:04:56 - 03:12:57 3561
Wildwood 03:09:11 -26.4 Dark Down 34.8 90.6 Up 03:05:11 - 03:13:12 3557
Searchlight/Boulder City 03:08:59 -29.3 Dark Down 37.7 93.7 Up 03:04:58 - 03:12:59 3516
Niwot 03:08:17 -36.1 Dark Down 44.5 104.7 Up 03:04:16 - 03:12:17 3486
Laughlin/Bullhead City 03:08:59 -29.6 Dark Down 38.0 93.7 Up 03:04:59 - 03:13:00 3481
Patrick 03:08:56 -30.2 Dark Down 38.6 94.3 Up 03:04:56 - 03:12:57 3471
Kingman/Dolan Springs 03:08:58 -30.0 Dark Down 38.4 94.0 Up 03:04:57 - 03:12:58 3462
Mohave Valley 03:09:00 -29.6 Dark Down 38.0 93.5 Up 03:05:00 - 03:13:01 3460
Idyllwild 03:09:10 -28.0 Dark Down 36.4 91.4 Up 03:05:09 - 03:13:10 3457
DCO 03:08:56 -30.8 Dark Down 39.2 94.5 Up 03:04:56 - 03:12:57 3420
Lake Havasu City 03:09:01 -29.9 Dark Down 38.3 93.3 Up 03:05:01 - 03:13:02 3420
Parker 03:09:03 -29.9 Dark Down 38.3 93.1 Up 03:05:02 - 03:13:03 3392
Blythe 03:09:06 -29.7 Dark Down 38.1 92.5 Up 03:05:05 - 03:13:06 3364
Calipatria 03:09:10 -29.0 Dark Down 37.4 91.6 Up 03:05:09 - 03:13:10 3364
Yuma 03:09:09 -29.7 Dark Down 38.1 91.8 Up 03:05:09 - 03:13:10 3294

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 14PR70, (2018/10/30 03:06UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 40.08  37
6Bet Ari       01:54:38.5 +20:48:27  2.6  3.03  73
107 Psc        01:42:29.4 +20:15:54  6.0  2.37  75
PPM 117657     01:46:35.4 +17:24:45  6.7  0.88  75
PPM 117668     01:47:03.9 +18:40:39  8.7  0.46  75
PPM 117678     01:47:46.7 +18:08:50 10.8  0.10  75
14PR70         01:47:44.5 +18:14:48 15.8        75
Positions are for J2000

Event circumstances last updated at 2018/09/29 17:32:45 UT

Marc W. Buie, Southwest Research Institute

RECON