RECON: TNO occultation with 03UP292

Event between 03UP292 and star GA1240:01837871 with event index number of 1008496

Geocentric closest approach at 2020/11/25 07:05:42 UTC

J2000 position of star is 05:24:01.9 +34:12:16
Equinox of date position of star is 05:25:22.1 +34:13:19
Stellar brightness G=17.0, use SENSEUP=128
Star is 76 degrees from the moon. Moon is 78% illuminated.
TNO apparent brightness V=24.7

[RECON map]
TNO is 29.1 AU from the Sun and 28.2 AU from the Earth.
The TNO is moving 22.4 km/sec on the sky relative to the star, or, 3.9 arcsec/hr.
The 1-sigma error in the time of the event is 124 seconds.
The 1-sigma cross-track error in the shadow position is 1164 km.
The sky-plane scale is 20441.7 km/arcsec.

The TNO has an absolute magnitude Hv=10.0
Diameter=211.8 km assuming a 5% albedo -- 2.7 sec chord
Diameter=86.5 km assuming a 30% albedo -- 1.1 sec chord
Dynamical classification is 2:1E
 
 
 
 
 
 

Star training set for 03UP292, (2020/11/25 07:06UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:37:07.3 +16:32:59  0.8 20.73  62
Alnath         05:27:36.9 +28:37:23  1.6  5.62  75
19 Aur         05:21:23.7 +33:58:41  5.0  0.87  75
PPM 070329     05:26:53.0 +34:12:12  7.5  0.30  76
PPM 070275     05:24:26.5 +34:07:58  9.5  0.22  76
03UP292        05:25:24.9 +34:13:21 17.0        76
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 25.7 km RECON observability=1.0 and success probability=38.0%
Site Site mid-time
(UT)
Sun alt
(deg)
Sky Moon Star alt
(deg)
Star az
(deg)
Target Observing Time
(UT)
X-track
(km)
Clarence Fulton 07:07:17 -59.7 Dark Up 63.6 116.4 Up 06:56:25 - 07:18:08 1982
Kelowna 07:07:18 -60.0 Dark Up 63.7 115.5 Up 06:56:27 - 07:18:10 1945
Peachland 07:07:19 -60.1 Dark Up 63.5 114.9 Up 06:56:28 - 07:18:11 1938
Summerland 07:07:19 -60.3 Dark Up 63.7 114.7 Up 06:56:28 - 07:18:11 1921
Penticton 07:07:19 -60.3 Dark Up 63.8 114.8 Up 06:56:27 - 07:18:10 1912
Oliver 07:07:19 -60.7 Dark Up 63.9 114.1 Up 06:56:28 - 07:18:11 1876
Victoria 07:07:31 -60.3 Dark Up 61.8 108.3 Up 06:56:40 - 07:18:23 1875
Anarchist Mountain Observatory 07:07:19 -60.9 Dark Up 64.1 114.0 Up 06:56:28 - 07:18:11 1855
Tonasket 07:07:20 -61.2 Dark Up 64.2 113.4 Up 06:56:28 - 07:18:11 1824
Okanogan 07:07:21 -61.4 Dark Up 64.2 112.5 Up 06:56:29 - 07:18:12 1791
Brewster 07:07:22 -61.7 Dark Up 64.2 111.8 Up 06:56:30 - 07:18:13 1767
Manson/Chelan 07:07:23 -61.8 Dark Up 64.0 110.9 Up 06:56:32 - 07:18:15 1751
Entiat 07:07:23 -62.0 Dark Up 64.1 110.4 Up 06:56:32 - 07:18:15 1729
Wenatchee 07:07:24 -62.2 Dark Up 64.1 109.8 Up 06:56:33 - 07:18:16 1704
Ellensburg 07:07:26 -62.5 Dark Up 64.1 108.7 Up 06:56:34 - 07:18:17 1665
Yakima 07:07:26 -62.9 Dark Up 64.2 107.9 Up 06:56:35 - 07:18:18 1623
Toppenish/White Swan 07:07:26 -63.1 Dark Up 64.4 107.7 Up 06:56:35 - 07:18:18 1597
Pasco 07:07:23 -63.5 Dark Up 65.3 108.9 Up 06:56:31 - 07:18:14 1562
Goldendale 07:07:28 -63.5 Dark Up 64.3 106.1 Up 06:56:37 - 07:18:20 1547
PNWRO 07:07:22 -63.8 Dark Up 65.5 108.7 Up 06:56:30 - 07:18:13 1533
The Dalles 07:07:30 -63.6 Dark Up 64.1 105.3 Up 06:56:38 - 07:18:21 1530
Maupin 07:07:30 -64.0 Dark Up 64.3 104.6 Up 06:56:38 - 07:18:21 1484
Sisters 07:07:33 -64.7 Dark Up 64.2 102.3 Up 06:56:41 - 07:18:24 1401
Redmond 07:07:32 -64.8 Dark Up 64.4 102.6 Up 06:56:40 - 07:18:23 1391
Bend 07:07:32 -65.0 Dark Up 64.4 102.1 Up 06:56:41 - 07:18:24 1371
Oregon Observatory 07:07:33 -65.1 Dark Up 64.3 101.6 Up 06:56:41 - 07:18:24 1355
La Pine/Gilchrist 07:07:34 -65.3 Dark Up 64.3 101.1 Up 06:56:42 - 07:18:25 1335
North Lake 07:07:32 -65.9 Dark Up 64.8 100.8 Up 06:56:40 - 07:18:23 1277
Paisley 07:07:32 -66.5 Dark Up 65.2 100.0 Up 06:56:40 - 07:18:23 1212
Klamath Falls 07:07:36 -66.5 Dark Up 64.4 97.9 Up 06:56:45 - 07:18:28 1186
Lakeview 07:07:32 -67.0 Dark Up 65.4 99.1 Up 06:56:40 - 07:18:23 1154
Cedarville 07:07:32 -67.6 Dark Up 65.6 97.8 Up 06:56:41 - 07:18:24 1081
Fall River/Burney 07:07:37 -67.7 Dark Up 64.8 95.7 Up 06:56:45 - 07:18:28 1053
Susanville 07:07:35 -68.5 Dark Up 65.4 95.0 Up 06:56:44 - 07:18:27 971
Greenville 07:07:37 -68.6 Dark Up 65.2 94.1 Up 06:56:45 - 07:18:28 947
Gimple 07:07:36 -68.7 Dark Up 65.3 94.2 Up 06:56:45 - 07:18:28 945
Quincy 07:07:37 -68.8 Dark Up 65.2 93.7 Up 06:56:46 - 07:18:29 926
Portola 07:07:36 -69.1 Dark Up 65.6 93.8 Up 06:56:44 - 07:18:27 903
Reno 07:07:34 -69.5 Dark Up 66.1 93.7 Up 06:56:42 - 07:18:25 862
Carson City 07:07:34 -69.9 Dark Up 66.2 92.9 Up 06:56:43 - 07:18:26 823
Gardnerville 07:07:34 -70.1 Dark Up 66.2 92.4 Up 06:56:43 - 07:18:26 795
Yerington 07:07:32 -70.3 Dark Up 66.7 92.9 Up 06:56:41 - 07:18:24 790
Hawthorne 07:07:31 -70.9 Dark Up 67.1 92.2 Up 06:56:39 - 07:18:22 730
Niwot 07:06:41 -70.3 Dark Up 76.8 111.9 Up 06:55:50 - 07:17:33 725
SwRI 07:06:42 -70.4 Dark Up 76.8 111.4 Up 06:55:50 - 07:17:33 714
Lee Vining 07:07:33 -71.2 Dark Up 66.7 90.5 Up 06:56:42 - 07:18:25 678
Tonopah 07:07:27 -71.7 Dark Up 68.2 92.0 Up 06:56:35 - 07:18:18 653
Bishop 07:07:31 -72.0 Dark Up 67.3 89.6 Up 06:56:40 - 07:18:23 600
Beatty 07:07:26 -72.9 Dark Up 68.6 89.4 Up 06:56:35 - 07:18:18 520
Indian Springs 07:07:23 -73.5 Dark Up 69.4 89.1 Up 06:56:31 - 07:18:14 466
CPSLO 07:07:42 -72.9 Dark Up 65.4 83.8 Up 06:56:50 - 07:18:33 422
Henderson 07:07:20 -74.2 Dark Up 70.0 88.1 Up 06:56:29 - 07:18:12 396
Searchlight/Boulder City 07:07:21 -74.8 Dark Up 70.0 86.5 Up 06:56:29 - 07:18:12 332
Patrick 07:07:17 -75.1 Dark Up 70.8 86.8 Up 06:56:25 - 07:18:08 310
Laughlin/Bullhead City 07:07:20 -75.1 Dark Up 70.2 85.8 Up 06:56:28 - 07:18:11 294
Kingman/Dolan Springs 07:07:18 -75.2 Dark Up 70.7 86.1 Up 06:56:26 - 07:18:09 289
DCO 07:07:15 -75.5 Dark Up 71.4 86.2 Up 06:56:23 - 07:18:06 266
Mohave Valley 07:07:20 -75.4 Dark Up 70.2 85.1 Up 06:56:28 - 07:18:11 264
Wildwood 07:07:36 -74.8 Dark Up 66.9 81.8 Up 06:56:44 - 07:18:27 249
Lake Havasu City 07:07:19 -75.8 Dark Up 70.4 84.1 Up 06:56:28 - 07:18:11 217
Parker 07:07:20 -76.2 Dark Up 70.4 83.1 Up 06:56:28 - 07:18:11 178
Idyllwild 07:07:29 -75.9 Dark Up 68.4 81.4 Up 06:56:38 - 07:18:21 175
Blythe 07:07:21 -76.6 Dark Up 70.1 81.6 Up 06:56:30 - 07:18:13 125
George/Scottsdale 07:07:11 -77.0 Dark Up 72.3 82.4 Up 06:56:19 - 07:18:02 94
Calipatria 07:07:25 -76.8 Dark Up 69.2 80.1 Up 06:56:34 - 07:18:17 87
Yuma 07:07:22 -77.5 Dark Up 69.9 79.1 Up 06:56:31 - 07:18:14 25

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 03UP292, (2020/11/25 07:06UT)
Object            RA         Dec     mag  sep  mel
Aldebaran      04:35:55.3 +16:30:30  0.8 20.73  62
Alnath         05:26:17.5 +28:36:23  1.6  5.62  75
19 Aur         05:20:00.9 +33:57:29  5.0  0.87  75
PPM 070329     05:25:30.0 +34:11:10  7.5  0.30  76
PPM 070275     05:23:03.5 +34:06:53  9.5  0.22  76
03UP292        05:24:01.9 +34:12:16 17.0        76
Positions are for J2000

Event circumstances last updated at 2020/03/08 21:04:58 UT

Marc W. Buie, Southwest Research Institute

RECON