RECON: TNO occultation with 02PQ152

Event between 02PQ152 and star GA1120:00274554 with event index number of 201057

Geocentric closest approach at 2019/07/23 09:46:03 UTC

J2000 position of star is 02:24:04.8 +23:44:21
Equinox of date position of star is 02:25:11.3 +23:49:36
Stellar brightness G=16.1, use SENSEUP=128
Star is 33 degrees from the moon. Moon is 66% illuminated.
TNO apparent brightness V=23.2

[RECON map]
TNO is 24.0 AU from the Sun and 24.2 AU from the Earth.
The TNO is moving 12.7 km/sec on the sky relative to the star, or, 2.6 arcsec/hr.
The 1-sigma error in the time of the event is 440 seconds.
The 1-sigma cross-track error in the shadow position is 4808 km.
The sky-plane scale is 17523.3 km/arcsec.

The TNO has an absolute magnitude Hv=9.1
Diameter=90.0 km assuming a 5% albedo -- 7.1 sec chord
Diameter=36.7 km assuming a 30% albedo -- 2.9 sec chord
Dynamical classification is CENTAURR
 
 
 
 
 
 

Star training set for 02PQ152, (2019/07/23 09:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:02.7 +16:32:49  0.8 31.70  58
Hamal          02:08:16.8 +23:33:14  2.0  3.88  30
21 Ari         02:16:49.6 +25:07:58  5.6  2.31  32
PPM 091601     02:23:13.2 +22:57:43  7.2  0.98  32
PPM 091626     02:24:25.9 +23:22:52  9.5  0.48  32
PPM 091652     02:26:08.9 +23:54:18 10.1  0.23  33
02PQ152        02:25:11.8 +23:49:38 16.1        33
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 2.0 sigma about the mid-time.
The median site spacing is 3.6 km RECON observability=1.0 and success probability=3.5%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Sisters 09:45:04 -22.2 Dark Up 30.0 85.1 Up 09:30:04 - 10:00:04 6130
The Dalles 09:45:04 -20.9 Dark Up 30.4 86.1 Up 09:30:04 - 10:00:04 6128
Chiloquin 09:45:04 -23.9 Dark Up 29.6 83.9 Low 09:30:04 - 10:00:04 6125
La Pine/Gilchrist 09:45:04 -22.8 Dark Up 30.0 84.8 Low 09:30:04 - 10:00:04 6121
Oregon Observatory 09:45:04 -22.6 Dark Up 30.1 84.9 Up 09:30:04 - 10:00:04 6121
Maupin 09:45:04 -21.3 Dark Up 30.4 85.9 Up 09:30:04 - 10:00:04 6120
Ellensburg 09:45:11 -19.5 Dark Up 30.9 87.4 Up 09:30:11 - 10:00:11 6119
Klamath Falls 09:45:04 -24.2 Dark Up 29.7 83.7 Low 09:30:04 - 10:00:04 6118
Bend 09:45:04 -22.4 Dark Up 30.2 85.1 Up 09:30:04 - 10:00:04 6117
Goldendale 09:45:04 -20.6 Dark Up 30.6 86.5 Up 09:30:04 - 10:00:04 6116
Madras/Culver 09:45:04 -21.8 Dark Up 30.4 85.6 Up 09:30:04 - 10:00:04 6115
Yakima 09:45:08 -19.9 Dark Up 30.9 87.1 Up 09:30:08 - 10:00:08 6115
Wenatchee 09:45:15 -19.0 Dark Up 31.1 87.8 Up 09:30:15 - 10:00:15 6114
Redmond 09:45:04 -22.1 Dark Up 30.3 85.3 Up 09:30:04 - 10:00:04 6114
Entiat 09:45:18 -18.8 Dark Up 31.2 88.0 Up 09:30:18 - 10:00:18 6113
Manson/Chelan 09:45:19 -18.5 Dark Up 31.2 88.2 Up 09:30:19 - 10:00:19 6112
Summerland 09:45:35 -16.8 AT Up 31.6 89.7 Up 09:30:35 - 10:00:35 6107
Toppenish/White Swan 09:45:07 -20.0 Dark Up 31.0 87.1 Up 09:30:07 - 10:00:07 6106
Tulelake 09:45:04 -24.4 Dark Up 29.8 83.8 Low 09:30:04 - 10:00:04 6103
Penticton 09:45:34 -16.9 AT Up 31.7 89.7 Up 09:30:34 - 10:00:34 6102
Okanagan Falls 09:45:32 -17.0 AT Up 31.7 89.6 Up 09:30:32 - 10:00:32 6102
Oliver 09:45:31 -17.2 AT Up 31.7 89.5 Up 09:30:31 - 10:00:31 6100
Brewster 09:45:21 -18.3 Dark Up 31.5 88.6 Up 09:30:21 - 10:00:21 6100
Kelowna 09:45:37 -16.5 AT Up 31.8 90.1 Up 09:30:37 - 10:00:37 6098
Okanogan 09:45:24 -17.9 AT Up 31.6 88.9 Up 09:30:24 - 10:00:24 6094
Oroville 09:45:28 -17.4 AT Up 31.8 89.4 Up 09:30:28 - 10:00:28 6093
North Lake 09:45:04 -23.0 Dark Up 30.4 84.9 Up 09:30:04 - 10:00:04 6092
Tonasket 09:45:26 -17.6 AT Up 31.8 89.3 Up 09:30:26 - 10:00:26 6091
Anarchist Mountain Observatory 09:45:29 -17.3 AT Up 31.8 89.5 Up 09:30:29 - 10:00:29 6091
Fall River/Burney 09:45:04 -25.2 Dark Up 29.8 83.3 Low 09:30:04 - 10:00:04 6091
Paisley 09:45:04 -23.4 Dark Up 30.6 84.8 Up 09:30:04 - 10:00:04 6071
George/Umatilla 09:45:04 -20.1 Dark Up 31.7 87.6 Up 09:30:04 - 10:00:04 6058
Lakeview 09:45:04 -23.8 Dark Up 30.7 84.6 Up 09:30:04 - 10:00:04 6058
Pasco 09:45:06 -19.7 Dark Up 31.9 87.9 Up 09:30:06 - 10:00:06 6053
Susanville 09:45:04 -25.5 Dark Up 30.3 83.4 Up 09:30:04 - 10:00:04 6053
Cedarville 09:45:04 -24.3 Dark Up 30.8 84.3 Up 09:30:04 - 10:00:04 6043
PNWRO 09:45:04 -19.9 Dark Up 32.0 87.9 Up 09:30:04 - 10:00:04 6041
Greenville 09:44:13 -25.9 Dark Up 29.9 82.9 Low 09:29:13 - 09:59:13 6028
Gimple 09:44:13 -25.9 Dark Up 29.9 83.0 Low 09:29:13 - 09:59:13 6025
Quincy 09:44:11 -26.1 Dark Up 29.8 82.8 Low 09:29:11 - 09:59:11 6024
Portola 09:44:11 -26.1 Dark Up 30.2 83.0 Up 09:29:11 - 09:59:11 6000
Reno 09:44:08 -26.1 Dark Up 30.6 83.2 Up 09:29:08 - 09:59:08 5966
Carson City 09:44:05 -26.4 Dark Up 30.6 83.0 Up 09:29:05 - 09:59:05 5956
Gardnerville 09:44:04 -26.6 Dark Up 30.6 82.9 Up 09:29:04 - 09:59:04 5949
Yerington 09:44:04 -26.4 Dark Up 31.1 83.3 Up 09:29:04 - 09:59:04 5923
Lee Vining 09:43:56 -27.3 Dark Up 31.0 82.7 Up 09:28:56 - 09:58:56 5896
CPSLO 09:43:33 -30.3 Dark Up 29.3 80.3 Low 09:28:33 - 09:58:33 5896
Hawthorne 09:44:01 -26.6 Dark Up 31.4 83.3 Up 09:29:01 - 09:59:01 5888
Bishop 09:43:51 -27.6 Dark Up 31.4 82.7 Up 09:28:51 - 09:58:51 5847
Lone Pine 09:43:45 -28.1 Dark Up 31.6 82.4 Up 09:28:45 - 09:58:45 5810
Tonopah 09:43:57 -26.5 Dark Up 32.5 83.8 Up 09:28:57 - 09:58:57 5810
Wildwood 09:43:23 -30.6 Dark Up 30.7 80.6 Up 09:28:23 - 09:58:23 5761
Beatty 09:43:47 -27.4 Dark Up 32.7 83.3 Up 09:28:47 - 09:58:47 5756
Indian Springs 09:43:45 -27.2 Dark Up 33.5 83.7 Up 09:28:45 - 09:58:45 5694
Idyllwild 09:43:21 -30.1 Dark Up 32.2 81.3 Up 09:28:21 - 09:58:21 5656
Henderson 09:43:41 -27.4 Dark Up 34.0 83.7 Up 09:28:41 - 09:58:41 5643
Searchlight/Boulder City 09:43:37 -27.9 Dark Up 33.9 83.3 Up 09:28:37 - 09:58:37 5622
Laughlin/Bullhead City 09:43:34 -28.0 Dark Up 34.2 83.3 Up 09:28:34 - 09:58:34 5594
Mohave Valley 09:43:32 -28.2 Dark Up 34.1 83.1 Up 09:28:32 - 09:58:32 5585
Calipatria 09:43:17 -30.2 Dark Up 33.1 81.4 Up 09:28:17 - 09:58:17 5575
Kingman/Dolan Springs 09:43:35 -27.7 Dark Up 34.6 83.6 Up 09:28:35 - 09:58:35 5568
Patrick 09:43:37 -27.5 Dark Up 34.8 83.8 Up 09:28:37 - 09:58:37 5566
Lake Havasu City 09:43:29 -28.4 Dark Up 34.3 82.9 Up 09:28:29 - 09:58:29 5559
Parker 09:43:27 -28.7 Dark Up 34.2 82.7 Up 09:28:27 - 09:58:27 5546
Blythe 09:43:22 -29.3 Dark Up 33.9 82.2 Up 09:28:22 - 09:58:22 5543
DCO 09:43:35 -27.4 Dark Up 35.3 84.0 Up 09:28:35 - 09:58:35 5519
Yuma 09:43:14 -30.1 Dark Up 33.7 81.6 Up 09:28:14 - 09:58:14 5513
SwRI 09:45:04 -19.6 Dark Up 42.0 92.8 Up 09:30:04 - 10:00:04 5282
Niwot 09:45:04 -19.5 Dark Up 42.1 92.9 Up 09:30:04 - 10:00:04 5278

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 02PQ152, (2019/07/23 09:46UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 31.70  58
Hamal          02:07:10.7 +23:27:42  2.0  3.88  30
21 Ari         02:15:42.6 +25:02:33  5.6  2.31  32
PPM 091601     02:22:06.6 +22:52:25  7.2  0.98  32
PPM 091626     02:23:19.1 +23:17:35  9.5  0.48  32
PPM 091652     02:25:01.9 +23:49:02 10.1  0.23  33
02PQ152        02:24:04.8 +23:44:21 16.1        33
Positions are for J2000

Event circumstances last updated at 2019/06/07 22:27:17 UT

Marc W. Buie, Southwest Research Institute

RECON