RECON: TNO occultation with 01QP297

Event between 01QP297 and star GA0940:00092171 with event index number of 282491

Geocentric closest approach at 2020/08/15 11:21:11 UTC

J2000 position of star is 01:01:24.1 +04:59:15
Equinox of date position of star is 01:02:26.8 +05:05:45
Stellar brightness G=16.7, use SENSEUP=128
Star is 80 degrees from the moon. Moon is 16% illuminated.
TNO apparent brightness V=26.7

[RECON map]
TNO is 45.4 AU from the Sun and 44.8 AU from the Earth.
The TNO is moving 13.5 km/sec on the sky relative to the star, or, 1.5 arcsec/hr.
The 1-sigma error in the time of the event is 580 seconds.
The 1-sigma cross-track error in the shadow position is 4302 km.
The sky-plane scale is 32499.8 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=255.9 km assuming a 5% albedo -- 4.5 sec chord
Diameter=104.5 km assuming a 30% albedo -- 1.8 sec chord
Dynamical classification is CLASSICAL
 
 
 
 
 
 

Star training set for 01QP297, (2020/08/15 11:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:58:47.1 -29:30:45  1.2 45.59 120
Algenib        00:14:18.0 +15:17:53  2.8 15.62  87
80 Psc         01:09:26.1 +05:45:30  5.5  1.85  78
PPM 144162     01:01:54.8 +04:56:40  8.0  0.21  80
PPM 144173     01:02:36.0 +05:14:41  9.7  0.15  80
01QP297        01:02:28.2 +05:05:54 16.7        80
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 1.6 sigma about the mid-time.
The median site spacing is 22.0 km RECON observability=0.8 and success probability=10.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Victoria 11:19:18 -15.9 AT Up 46.3 173.3 Up 11:04:18 - 11:34:18 1043
Clarence Fulton 11:18:54 -12.8 AT Up 44.7 179.1 Up 11:03:54 - 11:33:54 1041
Peachland 11:18:57 -13.3 AT Up 45.2 178.5 Up 11:03:57 - 11:33:57 1019
Kelowna 11:18:56 -13.1 AT Up 45.1 178.9 Up 11:03:56 - 11:33:56 1018
Summerland 11:18:57 -13.4 AT Up 45.4 178.6 Up 11:03:57 - 11:33:57 1005
Penticton 11:18:57 -13.4 AT Up 45.4 178.8 Up 11:03:57 - 11:33:57 997
Oliver 11:18:58 -13.6 AT Up 45.8 178.8 Up 11:03:58 - 11:33:58 972
Anarchist Mountain Observatory 11:18:57 -13.6 AT Up 46.0 179.1 Up 11:03:57 - 11:33:57 954
Tonasket 11:18:58 -13.8 AT Up 46.3 179.0 Up 11:03:58 - 11:33:58 933
Okanogan 11:19:00 -14.1 AT Up 46.6 178.8 Up 11:04:00 - 11:34:00 913
Brewster 11:19:02 -14.4 AT Up 46.9 178.5 Up 11:04:02 - 11:34:02 900
Manson/Chelan 11:19:04 -14.7 AT Up 47.1 177.9 Up 11:04:04 - 11:34:04 896
Entiat 11:19:05 -14.9 AT Up 47.3 177.8 Up 11:04:05 - 11:34:05 882
Wenatchee 11:19:06 -15.1 AT Up 47.6 177.7 Up 11:04:06 - 11:34:06 867
Ellensburg 11:19:09 -15.5 AT Up 48.0 177.3 Up 11:04:09 - 11:34:09 843
Yakima 11:19:10 -15.8 AT Up 48.4 177.3 Up 11:04:10 - 11:34:10 813
Toppenish/White Swan 11:19:09 -15.8 AT Up 48.6 177.5 Up 11:04:09 - 11:34:09 792
Goldendale 11:19:13 -16.4 AT Up 49.1 176.9 Up 11:04:13 - 11:34:13 764
The Dalles 11:19:16 -16.7 AT Up 49.3 176.3 Up 11:04:16 - 11:34:16 759
Pasco 11:19:03 -15.3 AT Up 48.7 179.4 Up 11:04:03 - 11:34:03 742
Maupin 11:19:16 -17.0 AT Up 49.8 176.5 Up 11:04:16 - 11:34:16 724
PNWRO 11:19:02 -15.3 AT Up 49.0 179.8 Up 11:04:02 - 11:34:02 716
Sisters 11:19:21 -17.8 AT Up 50.6 175.7 Up 11:04:21 - 11:34:21 673
Redmond 11:19:19 -17.6 AT Up 50.7 176.3 Up 11:04:19 - 11:34:19 658
Bend 11:19:20 -17.8 AT Up 50.9 176.0 Up 11:04:20 - 11:34:20 646
Oregon Observatory 11:19:22 -18.0 AT Up 51.0 175.8 Up 11:04:22 - 11:34:22 637
La Pine/Gilchrist 11:19:23 -18.2 Dark Up 51.2 175.7 Up 11:04:23 - 11:34:23 624
North Lake 11:19:21 -18.1 Dark Up 51.7 176.6 Up 11:04:21 - 11:34:21 569
Klamath Falls 11:19:28 -19.3 Dark Up 52.7 175.2 Up 11:04:28 - 11:34:28 519
Paisley 11:19:20 -18.3 Dark Up 52.3 177.2 Up 11:04:20 - 11:34:20 514
Lakeview 11:19:21 -18.5 Dark Up 52.8 177.5 Up 11:04:21 - 11:34:21 467
Fall River/Burney 11:19:29 -19.8 Dark Up 53.9 175.7 Up 11:04:29 - 11:34:29 412
Cedarville 11:19:22 -18.8 Dark Up 53.4 177.7 Up 11:04:22 - 11:34:22 408
Susanville 11:19:27 -19.8 Dark Up 54.5 176.9 Up 11:04:27 - 11:34:27 335
Greenville 11:19:30 -20.1 Dark Up 54.8 176.4 Up 11:04:30 - 11:34:30 323
Gimple 11:19:29 -20.1 Dark Up 54.8 176.5 Up 11:04:29 - 11:34:29 320
Quincy 11:19:30 -20.3 Dark Up 55.0 176.4 Up 11:04:30 - 11:34:30 306
Portola 11:19:28 -20.1 Dark Up 55.1 177.2 Up 11:04:28 - 11:34:28 279
Reno 11:19:25 -19.9 Dark Up 55.4 178.3 Up 11:04:25 - 11:34:25 234
Carson City 11:19:26 -20.1 Dark Up 55.8 178.3 Up 11:04:26 - 11:34:26 203
Gardnerville 11:19:26 -20.2 Dark Up 56.0 178.4 Up 11:04:26 - 11:34:26 181
Yerington 11:19:23 -19.8 Dark Up 56.0 179.4 Up 11:04:23 - 11:34:23 164
Hawthorne 11:19:21 -19.8 Dark Up 56.5 180.3 Up 11:04:21 - 11:34:21 106
Lee Vining 11:19:26 -20.4 Dark Up 57.0 179.5 Up 11:04:26 - 11:34:26 76
Tonopah 11:19:14 -19.2 Dark Up 56.9 182.9 Up 11:04:14 - 11:34:14 15
Bishop 11:19:23 -20.3 Dark Up 57.6 180.8 Up 11:04:23 - 11:34:23 -1
CPSLO 11:19:42 -23.0 Dark Up 59.6 176.5 Up 11:04:42 - 11:34:42 -95
Beatty 11:19:15 -19.6 Dark Up 58.0 183.8 Up 11:04:15 - 11:34:15 -101
Indian Springs 11:19:09 -19.1 Dark Up 58.3 185.9 Up 11:04:09 - 11:34:09 -169
Niwot 11:18:01 -10.4 NT Up 52.9 202.4 Up 11:03:01 - 11:33:01 -222
SwRI 11:18:02 -10.5 NT Up 53.0 202.3 Up 11:03:02 - 11:33:02 -229
Henderson 11:19:06 -18.9 Dark Up 58.8 187.3 Up 11:04:06 - 11:34:06 -242
Wildwood 11:19:34 -22.4 Dark Up 60.9 180.5 Up 11:04:34 - 11:34:34 -278
Searchlight/Boulder City 11:19:08 -19.2 Dark Up 59.3 187.5 Up 11:04:08 - 11:34:08 -295
Laughlin/Bullhead City 11:19:06 -19.1 Dark Up 59.6 188.2 Up 11:04:06 - 11:34:06 -335
Patrick 11:19:02 -18.5 Dark Up 59.2 189.5 Up 11:04:02 - 11:34:02 -339
Kingman/Dolan Springs 11:19:03 -18.8 Dark Up 59.5 189.2 Up 11:04:03 - 11:34:03 -352
Mohave Valley 11:19:07 -19.3 Dark Up 59.8 188.3 Up 11:04:07 - 11:34:07 -359
Idyllwild 11:19:23 -21.3 Dark Up 61.2 184.4 Up 11:04:23 - 11:34:23 -382
DCO 11:18:58 -18.2 Dark Up 59.4 191.0 Up 11:03:58 - 11:33:58 -392
Lake Havasu City 11:19:07 -19.3 Dark Up 60.2 188.9 Up 11:04:07 - 11:34:07 -404
Parker 11:19:07 -19.5 Dark Up 60.6 189.1 Up 11:04:07 - 11:34:07 -437
Blythe 11:19:10 -20.0 Dark Up 61.1 188.6 Up 11:04:10 - 11:34:10 -473
Calipatria 11:19:17 -20.9 Dark Up 61.7 186.9 Up 11:04:17 - 11:34:17 -483
Yuma 11:19:13 -20.5 Dark Up 62.0 188.9 Up 11:04:13 - 11:34:13 -556
George/Scottsdale 11:18:53 -18.1 Dark Up 60.6 194.0 Up 11:03:53 - 11:33:53 -567

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 01QP297, (2020/08/15 11:21UT)
Object            RA         Dec     mag  sep  mel
Fomalhaut      22:57:39.6 -29:37:23  1.2 45.59 120
Algenib        00:13:14.2 +15:11:01  2.8 15.62  87
80 Psc         01:08:21.8 +05:38:55  5.5  1.85  78
PPM 144162     01:00:50.7 +04:50:02  8.0  0.21  80
PPM 144173     01:01:31.9 +05:08:03  9.7  0.15  80
01QP297        01:01:24.1 +04:59:15 16.7        80
Positions are for J2000

Event circumstances last updated at 2020/03/06 22:07:28 UT

Marc W. Buie, Southwest Research Institute

RECON